TPSM82821A [TI]
TPSM8282x, TPSM8282xA 1-A, 2-A, and 3-A High Efficiency Step-Down Converter MicroSiP⢠Power Module with Integrated Inductor;型号: | TPSM82821A |
厂家: | TEXAS INSTRUMENTS |
描述: | TPSM8282x, TPSM8282xA 1-A, 2-A, and 3-A High Efficiency Step-Down Converter MicroSiP⢠Power Module with Integrated Inductor |
文件: | 总54页 (文件大小:6194K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
TPSM82823, TPSM82822, TPSM82821, TPSM82823A, TPSM82822A, TPSM82821A
SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
TPSM8282x, TPSM8282xA 1-A, 2-A, and 3-A High Efficiency Step-Down Converter
MicroSiP™ Power Module with Integrated Inductor
1 Features
3 Description
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1.1-mm profile MicroSiP™ power module
CISPR 11 class B compliant
Up to 95% efficiency
2.4-V to 5.5-V input voltage range
0.6-V to 4-V adjustable output voltage
Fixed output voltages available: 1.2-V, 1.8-V, 2.5-V
and 3.3-V
4-μA operating quiescent current
DCS-control topology
Power save mode option available for light load
efficiency
Forced-PWM option available for CCM operation
100% duty cycle for lowest dropout
Hiccup short circuit protection
Output discharge
Power good output with window comparator
Integrated soft start-up
Overtemperature protection
The TPSM8282x device family consists of a 1-A, 2-
A, and 3-A step-down converter MicroSiP™ power
modules optimized for small solution size and high
efficiency.
The power modules integrate a synchronous step-
down converter and an inductor to simplify design,
reduce external components and save PCB area.
The TPSM8282x is available in two flavors. The
first includes an automatically entered power save
mode to maintain high efficiency down to very light
loads for extending the system battery run-time. The
second version, the TPSM8282xA, runs in forced-
PWM maintaining a continuous conduction mode at
all currents to minimize the output ripple. In PWM
mode the converter operates with a nominal switching
frequency of 4MHz.
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In power save mode, the device operates with
typically 4-µA quiescent current. Using the DCS-
Control topology, the device achieves excellent
load transient performance and accurate output
voltage regulation. The EN and PG pins, which
support sequencing configurations, bring a flexible
system design. An integrated soft start-up reduces
the inrush current required from the input supply.
Overtemperature protection and hiccup short circuit
protection deliver a robust and reliable solution.
PSPICE models available for: TPSM82821,
TPSM82822 and TPSM82823
2.0-mm × 2.5-mm × 1.1-mm 10-pin μSiL package
12 mm2 total solution size (for the fixed output
voltage versions)
•
•
2 Applications
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•
•
•
•
Optical modules
Machine vision
Industrial PCs
PLCs
Device Information
PART NUMBER(1)
TPSM82821xSILR
TPSM82822xSILR
TPSM82823xSILR
PACKAGE
BODY SIZE (NOM)
Wired Networking
µSiL (10)
2.0 mm × 2.5 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
TPSM828222
100
VOUT
1.8V/2A
VIN
VIN
VOUT
95
90
85
80
75
70
65
60
2.4V to 5.5V
C1
4.7 µF
C2
EN
1 x 22 µF
FB
R3
100 k
GND
PG
POWER
GOOD
VIN = 2.4V
VIN = 3.3V
VIN = 4.2V
VIN = 5V
Fixed Output Application set at 1.8-V Output
Voltage
100µ
1m
10m
Load (A)
100m
1
3
D033
TPSM82823 Efficiency at 1.8-V Output Voltage
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPSM82823, TPSM82822, TPSM82821, TPSM82823A, TPSM82822A, TPSM82821A
SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
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Table of Contents
1 Features............................................................................1
2 Applications.....................................................................1
3 Description.......................................................................1
4 Revision History.............................................................. 2
5 Device Comparison Table...............................................3
6 Pin Configuration and Functions...................................3
7 Specifications.................................................................. 4
7.1 Absolute Maximum Ratings........................................ 4
7.2 ESD Ratings .............................................................. 4
7.3 Recommended Operating Conditions.........................4
7.4 Thermal Information....................................................4
7.5 Electrical Characteristics.............................................5
7.6 Typical Characteristics................................................6
8 Detailed Description........................................................7
8.1 Overview.....................................................................7
8.2 Functional Block Diagram...........................................7
8.3 Feature Description.....................................................7
8.4 Device Functional Modes..........................................10
9 Application and Implementation.................................. 11
9.1 Application Information..............................................11
9.2 Typical Applications...................................................11
10 Power Supply Recommendations..............................42
11 Layout...........................................................................42
11.1 Layout Guidelines................................................... 42
11.2 Layout Example...................................................... 42
12 Device and Documentation Support..........................44
12.1 Device Support....................................................... 44
12.2 Documentation Support.......................................... 44
12.3 Receiving Notification of Documentation Updates..44
12.4 Trademarks.............................................................44
12.5 Electrostatic Discharge Caution..............................44
12.6 Glossary..................................................................44
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (May 2021) to Revision F (November 2021)
Page
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•
•
•
•
Updated description on first page to include the FPWM device......................................................................... 1
Added FPWM devices........................................................................................................................................ 3
Updated Section 8.3.1 to clarify the addition of the FPWM devices...................................................................7
Added application curves for all new FPWM devices.......................................................................................14
Added tape and reel information for FPWM devices........................................................................................ 45
Changes from Revision D (March 2021) to Revision E (May 2021)
Page
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Released TPSM82823........................................................................................................................................1
Updated the first bullet in the Features ..............................................................................................................1
Added PSPICE bullet to the Features ............................................................................................................... 1
Updated Applications .........................................................................................................................................1
Changed name of the first column of the Device Comparison Table to "Orderable Part Number".....................3
Fixed slight error in the Functional Block Diagram ............................................................................................ 7
Added Equation 2 .............................................................................................................................................. 7
Updated Figure 9-1 to have an output capacitor option of 1 × 22 μF................................................................11
Expanded Table 9-1 with more choices of capacitors.......................................................................................12
Added EMI measurement plots to show CISPR compliance............................................................................14
Added SOA curves for the TPSM82823...........................................................................................................33
Added Section 12.1.2.1 ................................................................................................................................... 44
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
5 Device Comparison Table
OUTPUT VOLTAGE
OUTPUT CURRENT
ORDERABLE PART
NUMBER
MODE OF OPERATION
TPSM82821SILR
TPSM828211SILR
TPSM828212SILR
TPSM828213SILR
TPSM828214SILR
adjustable
1.2 V
1.8 V
Power save mode
Forced PWM
1 A
2.5 V
3.3 V
TPSM82821ASILR
adjustable
TPSM82822SILR
TPSM828221SILR
TPSM828222SILR
TPSM828223SILR
TPSM828224SILR
TPSM82822ASILR
TPSM82823SILR
TPSM82823ASILR
adjustable
1.2 V
1.8 V
Power save mode
2 A
3 A
2.5 V
3.3 V
adjustable
adjustable
adjustable
Forced PWM
Power save mode
Forced PWM
6 Pin Configuration and Functions
10
1
2
3
4
5
GND
VIN
VIN
9
GND
8
EN
FB
7
PG
VOUT
6
VOUT
VOUT
Figure 6-1. µSiL Package (Top View)
Table 6-1. Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
Device enable pin. To enable the device, this pin needs to be pulled high. Pulling this pin low
disables the device. Do not leave floating.
EN
3
I
Feedback pin. This pin must be connected to the center of the output voltage resistor divider.
For the fixed output voltage devices, connect this pin directly to the output voltage.
FB
8
9, 10
4
I
GND
PG
PWR
O
Ground pin
Power-good open-drain output pin with window comparator. The pullup resistor can be
connected to voltages up to 5.5 V. If unused, leave it floating.
VIN
1, 2
PWR
PWR
Input voltage pin
VOUT
5, 6, 7
Output voltage pin
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7 Specifications
7.1 Absolute Maximum Ratings
Over operating junction temperature range (unless otherwise noted) (1)
MIN
MAX
6
UNIT
V
Pin voltage
ISINK_PG
TJ
VIN, VOUT, FB, EN, PG (2)
Sink current at PG pin
–0.3
1
mA
°C
Operating junction temperature
Storage temperature
–40
–55
125
125
Tstg
°C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress
ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under
Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device
reliability.
(2) All voltage values are with respect to the network ground terminal.
7.2 ESD Ratings
VALUE
±2000
±1000
UNIT
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1)
V(ESD)
Electrostatic discharge
V
Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(2)
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
7.3 Recommended Operating Conditions
MIN
MAX
5.5
4
UNIT
VIN
Input voltage
2.4
0.6
V
V
V
VOUT
VPG
Output voltage range
Pullup resistor voltage
5.5
1
Output current range, TPSM82821, TPSM82821A (1)
Output current range, TPSM82822, TPSM82822A (1)
Output current range, TPSM82823,TPSM82823A (1)
Junction temperature (1)
0
0
IOUT
2
A
0
3
TJ
–40
125
°C
(1) In applications where high power dissipation and high ambient temperatures are present, the maximum output current must be derated
to operate the module within its operating temperature range. See Section 11.2.1.
7.4 Thermal Information
TPSM8282x
THERMAL METRIC(1)
μSiL (JEDEC 51-7)
UNIT
TPSM8282xEVM-080
TPSM8282xAEVM-127
10-PINS
92.6
RθJA
RθJC(top)
RθJB
ψJT
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
64.3
n/a (2)
n/a (2)
4.3
°C/W
°C/W
°C/W
°C/W
°C/W
49.6
27.7
Junction-to-top characterization parameter
Junction-to-board characterization parameter
5.8
ψJB
26.9
22.4
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
(2) Not applicable to an EVM.
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7.5 Electrical Characteristics
TJ = –40°C to 125°C and VIN = 2.4 V to 5.5 V. Typical values are at TJ = 25°C and VIN = 5 V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
IQ
Quiescent current into the VIN
Shutdown current into the VIN
Quiescent current
EN = High, no load, device not switching
4
0.05
8
10
µA
µA
mA
V
ISD
IQ
EN = Low, TJ = –40°C to 85°C
0.5
EN = High, no load, device switching, FPWM devices
Undervoltage lockout threshold
Undervoltage lockout hysteresis
Thermal shutdown threshold
Thermal shutdown hysteresis
VIN falling
VIN rising
TJ rising
TJ falling
2.1
2.2
160
150
20
2.3
VUVLO
mV
°C
°C
TJSD
LOGIC INTERFACE EN
VIH
High-level input voltage
1.0
V
V
VIL
Low-level input voltage
0.4
0.1
Ilkg(EN)
Input leakage current into EN pin
EN = High
0.01
µA
SOFT START, POWER GOOD
tSS
Soft-start time
Time from EN high to 95% of VOUT nominal
VPG rising, VFB referenced to VFB nominal
VPG falling, VFB referenced to VFB nominal
VPG falling, VFB referenced to VFB nominal
VPG rising, VFB referenced to VFB nominal
Isink = 1 mA
1.25
96%
ms
94%
90%
98%
94%
107%
112%
0.4
Power-good lower threshold
92%
VPGTH
103%
108%
105%
110%
Power-good upper threshold
VPG,OL
Low-level output voltage
V
Ilkg(PG)
Input leakage current into PG pin
VPG = 5 V
0.01
0.1
µA
OUTPUT
TPSM828211, TPSM828221, PWM mode
TPSM828212, TPSM828222, PWM mode
TPSM828213, TPSM828223, PWM mode
TPSM828214, TPSM828224, PWM mode
PWM mode
1.188
1.782
2.475
3.267
594
1.2
1.8
1.212
1.818
2.525
3.333
606
VOUT
Output voltage accuracy
V
2.5
3.3
VFB
Feedback regulation voltage
Feedback input leakage current
Output discharge current
600
0.01
400
mV
µA
Ilkg(FB)
IDIS
POWER SWITCH
High-side FET on-resistance
VFB = 0.6 V
0.05
EN = Low, VSW = 0.4 V
75
mA
26
26
mΩ
mΩ
RDS(on)
Low-side FET on-resistance
TPSM82821, TPSM82821A, 100% mode. VIN = 2.7 V, TJ
= 25°C
115
90
145
120
95
RDP
TPSM82822, TPSM82822A, 100% mode. VIN = 2.7 V, TJ
= 25°C
Dropout resistance
mΩ
TPSM82823, TPSM82823A, 100% mode. VIN = 2.7 V, TJ
= 25°C
70
ILIMF
High-side FET switch current limit
High-side FET switch current limit
TPSM82821A
1.7
1.75
2.7
2.1
2.2
3.3
4.3
–1.6
4
2.4
2.75
3.9
A
A
TPSM82821
ILIMF
TPSM82822, TPSM82822A
TPSM82823, TPSM82823A
TPSM82821A/TPSM82822A/TPSM82823A
IOUT = 1 A
3.7
5.0
ILIM
fSW
Low-side FET negative current limit, DC
PWM switching frequency
A
MHz
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7.6 Typical Characteristics
160.0
150.0
140.0
130.0
120.0
110.0
100.0
90.0
130.0
120.0
110.0
100.0
90.0
TJ = -40 èC
TJ = 25 èC
TJ = 85 èC
TJ = 125 èC
TJ = -40 èC
TJ = 25 èC
TJ = 85 èC
TJ = 125 èC
80.0
70.0
60.0
80.0
50.0
70.0
40.0
2.4
2.9
3.4
3.9
Input Voltage (V)
4.4
4.9
5.4
2.4
2.9
3.4
3.9
Input Voltage (V)
4.4
4.9
5.4
D030
D030
Figure 7-1. TPSM82821/TPSM82821A Dropout
Resistance
Figure 7-2. TPSM82822/TPSM82822A Dropout
Resistance
8.0
6.0
4.0
110.0
TJ = -40 °C
TJ = 25 °C
TJ = 85 °C
TJ = 125 °C
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
2.0
TJ = -40 èC
TJ = 25 èC
TJ = 85 èC
TJ = 125 èC
0.0
2.4
2.9
3.4
3.9
4.4
4.9
5.4
Input Voltage (V)
Figure 7-3. TPSM82823/TPSM82823A Dropout
Resistance
2.5
3.0
3.5
4.0
Input Voltage (V)
4.5
5.0
5.5
D031
Figure 7-4. Quiescent Current
0.5
TJ = -40 èC
TJ = 25 èC
TJ = 85 èC
TJ = 125 èC
0.4
0.3
0.2
0.1
0.0
2.5
3.0
3.5
4.0
Input Voltage (V)
4.5
5.0
5.5
D032
Figure 7-5. Shutdown Current
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8 Detailed Description
8.1 Overview
The TPSM8282x synchronous step-down converter power module is based on DCS-Control (Direct Control
with Seamless transition into power save mode). This is an advanced regulation topology that combines the
advantages of hysteretic, voltage, and current mode control.
The DCS-Control topology operates in PWM (pulse width modulation) mode for medium to heavy load conditions
and in PSM (power save mode) at light load currents. In PWM, the converter operates with its nominal
switching frequency of 4 MHz, having a controlled frequency variation over the input voltage range. As the load
current decreases, the converter enters power save mode, reducing the switching frequency and minimizing the
quiescent current of the IC to achieve high efficiency over the entire load current range. DCS-Control supports
both operation modes using a single building block and, therefore, has a seamless transition from PWM to PSM
without effects on the output voltage.
The forced PWM versions of this device, the TPSM8282xA, does not enter PSM (power save mode) at light load
currents and stays in CCM (continuous conduction mode) regardless of the output current in order to minimize
the output ripple.
The TPSM8282x offers excellent DC voltage regulation and load transient regulation, combined with low output
voltage ripple, minimizing interference with RF circuits.
8.2 Functional Block Diagram
PG
Hiccup
VPGTH(high)
VFB
+
-
VIN
Counter
PG
deglitch
+
-
VPGTH(low)
High Side
Current Sense
Bandgap
Undervoltage Lockout
Thermal Shutdown
EN
SW
MOSFET Driver
Control Logic
L(1)
GND
Ramp
Direct Control
Comparator
and
VOUT
FB
Compensation
Timer
ton
VREF
Error Amplifier
TM
DCS - Control
EN
Output Discharge
Logic
FixedVOUT
(1) Inductance value is 0.47 µH in TPSM82821/TPSM82821A, 0.24 µH in TPSM82822/TPSM82822A and 0.24 µH in TPSM82823/
TPSM82823A.
8.3 Feature Description
8.3.1 PWM and PSM Operation
The TPSM8282x includes a fixed on-time (tON) circuitry. This tON, in steady-state operation in PWM and PSM
modes, is estimated as:
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VOUT
tON = 250ns ì
V
IN
(1)
In PWM mode, the TPSM8282x operates with pulse width modulation in continuous conduction mode (CCM)
with a tON shown in Equation 1 at medium and heavy load currents. A PWM switching frequency of typically 4
MHz is achieved by this tON circuitry.
To maintain high efficiency at light loads, the device enters power save mode seamlessly when the load current
decreases. This happens when the load current becomes smaller than half the ripple current of the inductor. The
output current at which this occurs can be approximated with the following equation:
VOUT
V
1 −
V × tON
IN
IN
IOUT(PSM-entry)
=
×
2
L
(2)
In PSM, the converter operates with a reduced switching frequency and with a minimum quiescent current to
maintain high efficiency. The on time in PSM is also based on the same tON circuitry. The switching frequency in
PSM is estimated as:
2ìIOUT
fPSM
=
V
V
IN - VOUT
tON2 ì
ì
IN
VOUT
L
(3)
In PSM, the output voltage rises slightly above the nominal output voltage in PWM mode. This effect is reduced
by increasing the output capacitance.
The forced PWM version of this device, the TPSM8282xA, does not enter PSM (power save mode) at light load
currents and stays in CCM (continuous conduction mode) regardless of the output current in order to minimize
the output ripple.
8.3.2 Low Dropout Operation (100% Duty Cycle)
The device offers a low input-to-output voltage differential by entering 100% duty cycle mode. In this mode, the
high-side MOSFET switch is constantly turned on. This is particularly useful in battery-powered applications to
achieve longest operation time by taking full advantage of the whole battery voltage range. The minimum input
voltage to maintain a minimum output voltage is given by:
VIN (min) = VOUT (min) + IOUT × RDP
(4)
where
•
•
RDP = Resistance from VIN to VOUT, which includes the high-side MOSFET on-resistance and DC resistance
of the inductor
VOUT (min) = Minimum output voltage the load can accept
8.3.3 Soft Start-up
After enabling the device, there is a 250-µs delay before switching starts. Then, an internal soft start-up circuitry
ramps up the output voltage which reaches nominal output voltage during the start-up time of 1 ms. This avoids
excessive inrush current and creates a smooth output voltage rise slope. It also prevents excessive voltage
drops of primary cells and rechargeable batteries with high internal impedance.
The device is able to start into a pre-biased output capacitor. It starts with the applied bias voltage and ramps the
output voltage to its nominal value.
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8.3.4 Switch Current Limit and Hiccup Short Circuit Protection
The switch current limit prevents the device from high inductor current and from drawing excessive current from
the battery or input voltage rail. Excessive current can occur with a shorted or saturated inductor or a heavy load
or shorted output circuit condition. If the inductor current reaches the threshold of ILIMF, the high-side MOSFET
is turned off and the low-side MOSFET remains off while the inductor current flows through its body diode and
quickly ramps down.
When this switch current limit is triggered 32 times, the device stops switching. The device then automatically
starts a new start-up after a typical delay time of 128 µs has passed. This is named HICCUP short-circuit
protection. The device repeats this mode until the high load condition disappears.
8.3.5 Undervoltage Lockout
To avoid mis-operation of the device at low input voltages, undervoltage lockout is implemented that shuts down
the device at voltages lower than VUVLO
.
8.3.6 Thermal Shutdown
The device goes into thermal shutdown and stops the power stage switching when the junction temperature
exceeds TJSD. When the device temperature falls below the threshold by 20°C, the device returns to normal
operation automatically by switching the power stage again.
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8.4 Device Functional Modes
8.4.1 Enable and Disable
The device is enabled by setting the EN pin to a logic high. Accordingly, shutdown mode is forced if the EN pin
is pulled low with a shutdown current of typically 50 nA. In shutdown mode, the internal power switches and the
entire control circuitry are turned off. An internal switch smoothly discharges the output through the VOUT pin in
shutdown mode. Do not leave the EN pin floating.
The typical threshold value of the EN pin is 0.89 V for rising input signal, and 0.62 V for falling input signal.
8.4.2 Output Discharge
The purpose of the output discharge function is to ensure a defined down-ramp of the output voltage when the
device is disabled and to keep the output voltage close to 0 V. The output discharge is active when the EN pin is
set to a logic low and during thermal shutdown. The discharge is not active in UVLO.
8.4.3 Power Good Output
The device has a power good output. The PG pin goes high impedance once the FB pin voltage is above 96%
and less than 105% of the nominal voltage, and is driven low once the voltage falls below typically 92% or higher
than 110% of the nominal voltage. Table 8-1 shows the typical PG pin logic. The PG pin is an open-drain output
and is specified to sink up to 1 mA. The power good output requires a pullup resistor connecting to any voltage
rail less than 5.5 V. The PG signal can be used for sequencing of multiple rails by connecting to the EN pin of
other converters. If not used, the PG pin can be left floating or connected to GND.
Table 8-1. Power Good Pin Logic
PG LOGIC STATUS
DEVICE STATE
HIGH IMPEDANCE
LOW
0.576 V ≤ VFB ≤ 0.63 V
√
Enabled (EN = High)
VFB < 0.552 V or VFB > 0.66 V
√
√
√
Shutdown (EN = Low)
UVLO
0.7 V ≤ VIN < VUVLO
TJ > TJSD
Thermal Shutdown
√
Power Supply Removal
√
VIN < 0.7 V
The PG pin has a 20-μs deglitch time on the falling edge and a 100-μs delay before PG goes high. See Figure
8-1.
VPGTH
OVP
VPGTH
VO
VPGTH
UVP
VPGTH
PG delay
PG delay
de-glitch time
de-glitch time
PG
Figure 8-1. Power Good Transient and De-glitch Behavior
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9 Application and Implementation
Note
Information in the following applications sections is not part of the TI component specification,
and TI does not warrant its accuracy or completeness. TI’s customers are responsible for
determining suitability of components for their purposes, as well as validating and testing their design
implementation to confirm system functionality.
9.1 Application Information
The TPSM8282x is a synchronous step-down converter power module. The required power inductor is
integrated inside the TPSM8282x. The inductance value is 0.47 µH for the TPSM82821 and TPS82821A,
0.24 µH for the TPSM82822, TPSM82822A, TPSM82823 and TPSM82823A with a ±20% tolerance. The
TPSM82821/TPSM82821A, TPSM82822/TPSM82822A and TPSM82823/TPSM82823A are pin-to-pin and
BOM-to-BOM compatible with each other.
9.2 Typical Applications
9.2.1 1.8-V Output Application
TPSM82822
V
IN
V
OUT
VIN
1.8V/2A
VOUT
2.4V to 5.5V
C1
C2
EN
2 x 10 µF
C3
120 pF
or
FB
1 x 22 µF
GND
PG
R3
POWER
GOOD
Figure 9-1. Adjustable Output Application Set at 1.8-V Output Voltage
TPSM828222
VOUT
1.8V/2A
VIN
2.4V to 5.5V
VIN
VOUT
C1
4.7 µF
C2
1 x 22 µF
EN
FB
R3
100 k
GND
PG
POWER
GOOD
Figure 9-2. Fixed Output Application Set at 1.8-V Output Voltage
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9.2.1.1 Design Requirements
The design guidelines provide a component selection to operate the device within the recommended operating
conditions.
Table 9-1 lists the components used for Figure 9-1. Table 9-2 lists the components used for Figure 9-2.
Table 9-1. List of Components
REFERENCE
DESCRIPTION
MANUFACTURER
Taiyo Yuden
muRata
C1
Ceramic capacitor, 4.7 µF, 6.3 V, X7R, size (0603), JMK107BB7475MA
Ceramic capacitor, 2 × 10 µF, 10 V, X7R, size (0603), GRM188Z71A106MA73D
Ceramic capacitor, 1 × 22 µF, 6.3 V, X6S, size (0603), JMK107BC6226MA-T
C2
Taiyo Yuden
C3
R1
R2
R3
Ceramic capacitor, 120 pF, 50 V, size (0603), 06035A121JAT2A
Resistor, 200 kΩ, 1% accuracy
AVX
std
Resistor, 100 kΩ, 1% accuracy
std
Resistor, 100 kΩ, 1% accuracy
std
Table 9-2. List of Components
REFERENCE
DESCRIPTION
MANUFACTURER
Taiyo Yuden
Taiyo Yuden
std
C1
C2
R3
Ceramic capacitor, 4.7 µF, 6.3 V, X7R, size (0603), JMK107BB7475MA
Ceramic capacitor, 22 µF, 4 V, X5R, size (0402), AMK105EBJ226MV-F
Resistor, 100 kΩ, 1% accuracy
9.2.1.2 Detailed Design Procedure
9.2.1.2.1 Setting the Output Voltage
Choose resistors R1 and R2 to set the output voltage within a range of 0.6 V to 4 V according to Equation 5.
To keep the feedback (FB) net robust from noise, set R2 equal to or lower than 100 kΩ to have at least 6 µA of
current in the voltage divider. Lower values of FB resistors achieve better noise immunity, and lower light load
efficiency, as explained in the Design Considerations for a Resistive Feedback Divider in a DC/DC Converter
Technical Brief.
≈
∆
«
’
VOUT
VFB
V
OUT
≈
’
R1= R2ì
-1 = R2ì
-1
÷
÷
∆
«
0.6V
◊
◊
(5)
For devices with a fixed output voltage, the FB pin must be connected to VOUT. R1, R2 and C3 are not needed.
The fixed output voltage devices have an internal feed forward capacitor.
9.2.1.2.2 Feedforward capacitor
A feedforward capacitor (C3) is required in parallel with R1. Equation 6 calculates the C3 value. For the
recommended 100-kΩ value for R2, a 120-pF feedforward capacitor is used.
12ms
C3 =
R2
(6)
9.2.1.2.3 Input and Output Capacitor Selection
For the best output and input voltage filtering, ceramic capacitors are required. The input capacitor minimizes
input voltage ripple, suppresses input voltage spikes, and provides a stable system rail for the device. A 4.7-µF
or larger input capacitor is required. The output capacitor value can range from 10 µF up to 47 µF. The
recommended typical output capacitor value is 2 × 10-µF or 1 × 22-µF with an X5R or X7R dielectric. Values
over 47 µF can degrade the loop stability of the converter. A feedforward capacitor is required for best transient
performance.
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Ceramic capacitors have a DC-Bias effect, which has a strong influence on the final effective capacitance.
Choose the right capacitor carefully in combination with considering its package size and voltage rating. Ensure
that the effective input capacitance is at least 3 µF and the effective output capacitance is at least 5 µF.
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9.2.1.3 Application Performance Curves
TA = 25°C, VIN = 5 V, VOUT = 1.8 V, BOM = Table 9-1 unless otherwise noted.
9.2.1.3.1 TPSM82821 Performance Curves
VIN = 5 V
TA = 25°C
TPSM82821
TPSM82821
TPSM82821
VIN = 5 V
TA = 85°C
TPSM82821
Figure 9-3. Efficiency
Figure 9-4. Efficiency
VIN = 4.2 V
TA = 25°C
VIN = 4.2 V
TA = 85°C
TPSM82821
Figure 9-5. Efficiency
Figure 9-6. Efficiency
VIN = 3.3 V
TA = 25°C
VIN = 3.3 V
TA = 85°C
TPSM82821
Figure 9-7. Efficiency
Figure 9-8. Efficiency
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VIN = 2.4 V
TA = 25°C
TPSM82821
VIN = 2.4 V
TA = 85°C
TPSM82821
Figure 9-9. Efficiency
Figure 9-10. Efficiency
1.5
1.5
1
1
0.5
0.5
VIN = 5 V
VIN = 5 V
VIN = 3.3 V
VIN = 2.7 V
VIN = 2.4 V
VIN = 3.3 V
VIN = 2.7 V
VIN = 2.4 V
0
0
45
45
55
65
75
85
95
105
115
125
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 0.6 V
TPSM82821
RθJA = 64.3°C/W
VOUT = 1.2 V
TPSM82821
RθJA = 64.3°C/W
Figure 9-11. Safe Operating Area
Figure 9-12. Safe Operating Area
1.5
1.5
1
1
0.5
0.5
VIN = 5 V
VIN = 3.3 V
VIN = 2.7 V
VIN = 2.4 V
VIN = 5 V
VIN = 3.3 V
0
45
0
45
55
65
75
85
95
105
115
125
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 1.8 V
TPSM82821
RθJA = 64.3°C/W
VOUT = 2.5 V
TPSM82821
RθJA = 64.3°C/W
Figure 9-13. Safe Operating Area
Figure 9-14. Safe Operating Area
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1.5
0.612
0.609
0.606
0.603
1
0.6
0.597
0.594
VIN = 2.5 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
0.591
0.588
0.5
100m
1m
10m
Load (A)
100m
1
D037
VOUT = 0.6 V
TPSM82821
VIN = 5 V
55
0
45
65
75
85
95
105
115
125
Figure 9-16. Load Regulation
Ambient Temperature (°C)
VOUT = 3.3 V
TPSM82821
RθJA = 64.3°C/W
Figure 9-15. Safe Operating Area
1.212
1.209
1.206
1.203
1.2
1.81
1.806
1.802
1.798
1.794
1.79
1.197
1.194
VIN = 2.5 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
1.191
1.188
VIN = 2.5 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
100m
1m
10m
Load (A)
100m
1
D037
100m
1m
10m
Load (A)
100m
1
VOUT = 1.2 V
TPSM82821
D037
Figure 9-17. Load Regulation
VOUT = 1.8 V
TPSM82821
Figure 9-18. Load Regulation
3.344
3.333
3.322
3.311
3.3
2.504
2.503
2.502
2.501
2.5
3.289
3.278
3.267
3.256
3.245
2.499
2.498
2.497
2.496
VIN = 5 V
VIN = 4.2 V
VIN = 3.3 V
VIN = 4.2V
VIN = 5.0 V
100m
1m
10m
Load (A)
100m
1
100m
1m
10m
Load (A)
100m
1
D037
D038
VOUT = 3.3 V
TPSM82821
VOUT = 2.5 V
TPSM82821
Figure 9-20. Load Regulation
Figure 9-19. Load Regulation
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0.611
1.205
IOUT = 0A
IOUT = 1A
IOUT = 0A
IOUT = 1A
0.609
0.607
0.605
0.603
0.601
0.599
0.597
1.203
1.201
1.199
1.197
1.195
2.4
2.93
3.4
3.9
Vin (V)
4.4
4.9
5.4
2.4
2.93
3.4
3.9
Vin (V)
4.4
4.9
5.4
D041
D041
VOUT = 0.6 V
TPSM82821
VOUT = 1.2 V
TPSM82821
Figure 9-21. Line Regulation
Figure 9-22. Line Regulation
3.35
3.33
3.31
3.29
3.27
3.25
3.23
3.21
3.19
3.17
3.15
1.810
1.808
1.806
1.804
1.802
1.800
1.798
1.796
1.794
IOUT = 0A
IOUT = 1A
IOUT = 0A
IOUT = 1A
3.3
3.8
4.3
Vin (V)
4.8
5.3
D041
2.4
2.93
3.4
3.9
Vin (V)
4.4
4.9
5.4
D041
VOUT = 3.3 V
TPSM82821
VOUT = 1.8 V
TPSM82821
Figure 9-24. Line Regulation
Figure 9-23. Line Regulation
VOUT
20mV/DIV
VOUT
20mV/DIV
IOUT
IOUT
0.25A/DIV
0.5A/DIV
Time - 10ms/DIV
Time - 10ms/DIV
IOUT = 0 A to 1 A
Slew Rate = 2 A/µs
TPSM82821
IOUT = 0.5 A to 1 A
Slew Rate = 2 A/µs
TPSM82821
Figure 9-25. Load Transient
Figure 9-26. Load Transient
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Horizontal - QPK
Vertical - QPK
CISPR 11 Group 1 Class B 3m Limit
RLOAD = 2.2 Ω, VIN = 5.5 V (battery supply), VOUT = 1.8 V,
tested on TPSM82821EVM-080
Figure 9-27. TPSM82821 Radiated Emissions
TPSM82821
Figure 9-28. Power Supply Rejection Ratio (PSRR)
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9.2.1.3.2 TPSM82821A Performance Curves
100
95
90
85
80
75
70
65
60
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
55
50
45
40
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 5 V
TA = 25°C
TPSM82821A
VIN = 5 V
TA = 85°C
TPSM82821A
Figure 9-29. Efficiency
Figure 9-30. Efficiency
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 4.2 V
TA = 25°C
TPSM82821A
VIN = 4.2 V
TA = 85°C
TPSM82821A
Figure 9-31. Efficiency
Figure 9-32. Efficiency
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 3.3 V
TA = 25°C
TPSM82821A
VIN = 3.3 V
TA = 85°C
TPSM82821A
Figure 9-33. Efficiency
Figure 9-34. Efficiency
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100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 2.4 V
TA = 25°C
TPSM82821A
VIN = 2.4 V
TA = 85°C
TPSM82821A
Figure 9-35. Efficiency
Figure 9-36. Efficiency
1.5
1
1.5
1
0.5
0.5
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
0
0
45
55
65
75
85
95
105
115
125
45
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 0.6 V
TPSM82821A
RθJA = 64.3°C/W
VOUT = 1.2 V
TPSM82821A
RθJA = 64.3°C/W
Figure 9-37. Safe Operating Area
Figure 9-38. Safe Operating Area
1.5
1.5
1
0.5
0
1
0.5
0
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 4.2 V
VIN = 5 V
45
55
65
75
85
95
105
115
125
45
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 1.8 V
TPSM82821A
RθJA = 64.3°C/W
VOUT = 2.5 V
TPSM82821A
RθJA = 64.3°C/W
Figure 9-39. Safe Operating Area
Figure 9-40. Safe Operating Area
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1.5
1
0.606
0.6
0.5
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
55 65
VIN = 5 V
0
0.594
45
75
85
95
105
115
125
100µ
1m
10m
Load (A)
100m
1
Ambient Temperature (°C)
D037
VOUT = 3.3 V
TPSM82821A
RθJA = 64.3°C/W
VOUT = 0.6 V
TPSM82821A
Figure 9-41. Safe Operating Area
Figure 9-42. Load Regulation
1.212
1.818
1.812
1.806
1.8
1.206
1.2
1.794
1.788
1.782
1.194
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 5 V
1.188
100µ
1m
10m
Load (A)
100m
1
100µ
1m
10m
Load (A)
100m
1
D037
D037
VOUT = 1.2 V
TPSM82821A
VOUT = 1.8 V
TPSM82821A
Figure 9-43. Load Regulation
Figure 9-44. Load Regulation
2.529
2.523
2.517
2.511
2.505
2.499
2.493
2.487
2.481
2.475
3.33
3.324
3.318
3.312
3.306
3.3
3.294
3.288
3.282
3.276
3.27
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 4.2 V
VIN = 5 V
100µ
1m
10m
Load (A)
100m
1
100µ
1m
10m
Load (A)
100m
1
D037
D037
VOUT = 2.5 V
TPSM82821A
VOUT = 3.3 V
TPSM82821A
Figure 9-45. Load Regulation
Figure 9-46. Load Regulation
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VOUT
VOUT
10mV/DIV
10mV/DIV
AC
VSW
2V/DIV
IOUT
0.25A/DIV
Time - 200ns/DIV
Time - 20µs/DIV
D045
D047
IOUT = 1 A
TPSM82821A
IOUT = 0 mA to 1 A
TPSM82821A
Figure 9-47. Output Ripple in PWM Mode
Figure 9-48. Load Sweep
VEN
5V/DIV
VPG
2V/DIV
VOUT
20mV/DIV
VOUT
0.4V/DIV
IOUT
0.5A/DIV
Time - 10µs/DIV
Time - 500µs/DIV
D048
D050
IOUT = 0 A to 1 A
Slew Rate = 2 A/µs
TPSM82821A
IOUT = no load
TPSM82821A
Figure 9-49. Load Transient
Figure 9-50. Start-up / Shutdown without Load
VEN
5V/DIV
VPG
2V/DIV
VPG
2V/DIV
VOUT
0.4V/DIV
VOUT
0.4V/DIV
Iload
1A/DIV
Time - 500µs/DIV
Time - 500µs/DIV
D052
D051
IOUT = 1 A
TPSM82821A
TPSM82821A
Figure 9-51. Start-up / Shutdown with Resistive
Load
Figure 9-52. Short Circuit, HICCUP Protection
Entry / Exit
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
9.2.1.3.3 TPSM82822 Performance Curves
VIN = 5 V
TA = 25°C
TPSM82822
TPSM82822
TPSM82822
VIN = 5 V
TA = 85°C
TPSM82822
TPSM82822
TPSM82822
Figure 9-53. Efficiency
Figure 9-54. Efficiency
VIN = 4.2 V
TA = 25°C
VIN = 4.2 V
TA = 85°C
Figure 9-55. Efficiency
Figure 9-56. Efficiency
VIN = 3.3 V
TA = 25°C
VIN = 3.3 V
TA = 85°C
Figure 9-57. Efficiency
Figure 9-58. Efficiency
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VIN = 2.4 V
TA = 25°C
TPSM82822
VIN = 2.4 V
TA = 85°C
TPSM82822
Figure 9-59. Efficiency
Figure 9-60. Efficiency
2.5
2.5
2
2
1.5
1.5
1
1
0.5
0.5
VIN = 5 V
VIN = 5 V
VIN = 3.3 V
VIN = 2.7 V
VIN = 2.4 V
VIN = 3.3 V
VIN = 2.7 V
VIN = 2.4 V
0
45
0
45
55
65
75
85
95
105
115
125
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 0.6 V
TPSM82822
RθJA = 64.3°C/W
VOUT = 1.2 V
TPSM82822
RθJA = 64.3°C/W
Figure 9-61. Safe Operating Area
Figure 9-62. Safe Operating Area
2.5
2.5
2
2
1.5
1.5
1
1
0.5
0.5
VIN = 5 V
VIN = 3.3 V
VIN = 2.7 V
VIN = 2.4 V
VIN = 5 V
VIN = 3.3 V
0
45
0
45
55
65
75
85
95
105
115
125
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 1.8 V
TPSM82822
RθJA = 64.3°C/W
VOUT = 2.5 V
TPSM82822
RθJA = 64.3°C/W
Figure 9-63. Safe Operating Area
Figure 9-64. Safe Operating Area
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
2.5
0.612
0.609
0.606
0.603
0.6
2
1.5
1
0.597
0.594
VIN = 2.5 V
VIN = 3.3 V
0.5
0.591
0.588
VIN = 4.2 V
VIN = 5.0 V
VIN = 5 V
55
0
100m
1m
10m
Load (A)
100m
1
1
1
45
65
75
85
95
105
115
125
Ambient Temperature (°C)
D037
D039
D040
VOUT = 3.3 V
TPSM82822
RθJA = 64.3°C/W
VOUT = 0.6 V
TPSM82822
Figure 9-65. Safe Operating Area
Figure 9-66. Load Regulation
1.212
1.209
1.206
1.203
1.2
1.822
1.816
1.81
1.804
1.798
1.792
1.197
1.194
1.191
1.188
VIN = 2.5 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
VIN = 2.5 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
100m
1m
10m
Load (A)
100m
1
100m
1m
10m
Load (A)
100m
D038
VOUT = 1.2 V
TPSM82822
VOUT = 1.8 V
TPSM82822
Figure 9-67. Load Regulation
Figure 9-68. Load Regulation
2.504
2.503
2.502
2.501
2.5
3.333
3.322
3.311
3.3
3.289
3.278
3.267
3.256
3.245
2.499
2.498
2.497
2.496
VIN = 5 V
VIN = 4.2 V
VIN = 3.3 V
VIN = 4.2V
VIN = 5.0V
100m
1m
10m
Load (A)
100m
1
D04328
100m
1m
10m
Load (A)
100m
VOUT = 2.5 V
TPSM82822
VOUT = 3.3 V
TPSM82822
Figure 9-69. Load Regulation
Figure 9-70. Load Regulation
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0.611
0.609
0.607
0.605
0.603
0.601
0.599
0.597
1.205
1.204
1.203
1.202
1.201
1.200
1.199
1.198
1.197
1.196
1.195
IOUT = 0A
IOUT = 1A
IOUT = 2A
IOUT = 0A
IOUT = 1A
IOUT = 2A
2.4
2.93
3.4
3.9
Vin (V)
4.4
4.9
5.4
2.4
2.93
3.4
3.9
Vin (V)
4.4
4.9
5.4
D041
D042
VOUT = 0.6 V
TPSM82822
VOUT = 1.2 V
TPSM82822
Figure 9-71. Line Regulation
Figure 9-72. Line Regulation
2.505
2.504
2.503
2.502
2.501
2.500
2.499
2.498
2.497
2.496
2.495
1.815
1.814
1.813
1.812
1.811
1.810
1.809
1.808
1.807
1.806
1.805
1.804
1.803
1.802
1.801
1.800
IOUT = 0A
IOUT = 1A
IOUT = 2A
IOUT = 0A
IOUT = 1A
IOUT = 2A
2.4
2.93
3.4
3.9
Vin (V)
4.4
4.9
5.4
D042
2.4
2.93
3.4
3.9
Vin (V)
4.4
4.9
5.4
VOUT = 2.5 V
TPSM82822
D043
VOUT = 1.8 V
TPSM82822
Figure 9-74. Line Regulation
Figure 9-73. Line Regulation
3.35
3.33
3.31
3.29
3.27
3.25
3.23
3.21
3.19
3.17
3.15
VIN
10mV/DIV
AC
VOUT
10mV/DIV
AC
VSW
2V/DIV
IOUT = 0A
IOUT = 1A
IOUT = 2A
Time - 200ns/DIV
3.3
3.8
4.3
Vin (V)
4.8
5.3
D045
D044
IOUT = 2 A
TPSM82822
VOUT = 3.3 V
TPSM82822
Figure 9-76. Input and Output Ripple in PWM Mode
Figure 9-75. Line Regulation
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
VIN
10mV/DIV
AC
VOUT
20mV/DIV
VOUT
10mV/DIV
AC
IOUT
0.5A/DIV
VSW
2V/DIV
Time - 20ms/DIV
D047
Time - 2ms/DIV
IOUT = 25 mA to 2 A
TPSM82822
D046
IOUT = 25 mA
TPSM82822
Figure 9-78. Load Sweep
Figure 9-77. Input and Output Ripple in PSM Mode
VOUT
VOUT
20mV/DIV
20mV/DIV
IOUT
IOUT
0.5A/DIV
0.5A/DIV
Time - 10ms/DIV
Time - 10ms/DIV
D048
D049
IOUT = 0 A to 2 A
Slew Rate = 2 A/µs
TPSM82822
IOUT = 0.5 A to 2 A
Slew Rate = 2 A/µs
TPSM82822
Figure 9-79. Load Transient
Figure 9-80. Load Transient
VEN
VEN
5V/DIV
5V/DIV
VPG
2V/DIV
VPG
2V/DIV
VOUT
0.4V/DIV
VOUT
0.4V/DIV
Time - 500ms/DIV
Time - 500ms/DIV
D050
D051
IOUT = no load
TPSM82822
IOUT = 2 A
TPSM82822
Figure 9-81. Start-up / Shutdown without Load
Figure 9-82. Start-up / Shutdown with Resistive
Load
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VPG
2V/DIV
VOUT
0.4V/DIV
Iload
2A/DIV
Horizontal - QPK
Vertical - QPK
CISPR 11 Group 1 Class B 3m Limit
Time - 500ms/DIV
D052
RLOAD = 1 Ω, VIN = 5.5 V (battery supply), VOUT = 1.8 V, tested
on TPSM82822EVM-080
TPSM82822
Figure 9-83. Short Circuit, HICCUP Protection
Entry / Exit
Figure 9-84. TPSM82822 Radiated Emissions
80.0
70.0
60.0
50.0
40.0
30.0
IOUT = 0.5 A
IOUT = 1 A
IOUT = 2 A
20.0
10.0
1.0E+2
1.0E+3
1.0E+4
Frequency (Hz)
1.0E+5
1.0E+6
D053
TPSM82822
Figure 9-85. Power Supply Rejection Ratio (PSRR)
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9.2.1.3.4 TPSM82822A Performance Curves
100
95
90
85
80
75
70
65
60
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
55
50
45
40
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 5 V
TA = 25°C
TPSM82822A
VIN = 5 V
TA = 85°C
TPSM82822A
Figure 9-86. Efficiency
Figure 9-87. Efficiency
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 4.2 V
TA = 25°C
TPSM82822A
VIN = 4.2 V
TA = 85°C
TPSM82822A
Figure 9-88. Efficiency
Figure 9-89. Efficiency
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 3.3 V
TA = 25°C
TPSM82822A
VIN = 3.3 V
TA = 85°C
TPSM82822A
Figure 9-90. Efficiency
Figure 9-91. Efficiency
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100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 2.4 V
TA = 25°C
TPSM82822A
VIN = 2.4 V
TA = 85°C
TPSM82822A
Figure 9-92. Efficiency
Figure 9-93. Efficiency
3
2.5
2
3
2.5
2
1.5
1
1.5
1
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
0.5
0
0.5
0
45
55
65
75
85
95
105
115
125
45
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 0.6 V
TPSM82822A
RθJA = 64.3°C/W
VOUT = 1.2 V
TPSM82822A
RθJA = 64.3°C/W
Figure 9-94. Safe Operating Area
Figure 9-95. Safe Operating Area
3
3
2.5
2.5
2
1.5
1
2
1.5
1
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
0.5
0
0.5
0
VIN = 4.2 V
VIN = 5 V
45
55
65
75
85
95
105
115
125
45
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 1.8 V
TPSM82822A
RθJA = 64.3°C/W
VOUT = 2.5 V
TPSM82822A
RθJA = 64.3°C/W
Figure 9-96. Safe Operating Area
Figure 9-97. Safe Operating Area
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3
2.5
2
0.606
1.5
1
0.6
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
0.5
0
VIN = 5 V
55 65
VIN = 5 V
0.594
45
75
85
95
105
115
125
100µ
1m
10m
Load (A)
100m
1
Ambient Temperature (°C)
D037
VOUT = 3.3 V
TPSM82822A
RθJA = 64.3°C/W
VOUT = 0.6 V
TPSM82822A
Figure 9-98. Safe Operating Area
Figure 9-99. Load Regulation
1.212
3
2.5
2
1.206
1.2
1.5
1
1.194
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
0.5
0
1.188
100µ
1m
10m
Load (A)
100m
1
45
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
D037
VOUT = 1.8 V
TPSM82822A
VOUT = 1.2 V
TPSM82822A
Figure 9-101. Load Regulation
Figure 9-100. Load Regulation
2.529
2.523
2.517
2.511
2.505
2.499
2.493
2.487
2.481
2.475
3.33
3.324
3.318
3.312
3.306
3.3
3.294
3.288
3.282
3.276
3.27
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
100µ
1m
10m
Load (A)
100m
1
VIN = 4.2 V
VIN = 5 V
D037
VOUT = 2.5 V
TPSM82822A
100µ
1m
10m
Load (A)
100m
1
D037
Figure 9-102. Load Regulation
VOUT = 3.3 V
TPSM82822A
Figure 9-103. Load Regulation
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VOUT
VOUT
10mV/DIV
10mV/DIV
AC
VSW
2V/DIV
IOUT
0.5A/DIV
Time - 200ns/DIV
Time - 20µs/DIV
D045
D047
IOUT = 2 A
TPSM82822A
IOUT = 0 mA to 2 A
TPSM82822A
Figure 9-104. Output Ripple in PWM Mode
Figure 9-105. Load Sweep
VEN
5V/DIV
VPG
2V/DIV
VOUT
20mV/DIV
IOUT
0.5A/DIV
VOUT
0.4V/DIV
Time - 10µs/DIV
Time - 500µs/DIV
D048
D050
IOUT = 0 A to 2 A
Slew Rate = 2 A/µs
TPSM82822A
IOUT = no load
TPSM82822A
Figure 9-106. Load Transient
Figure 9-107. Start-up / Shutdown without Load
VPG
2V/DIV
VEN
5V/DIV
VPG
2V/DIV
VOUT
0.4V/DIV
VOUT
0.4V/DIV
Iload
2A/DIV
Time - 500µs/DIV
Time - 500µs/DIV
D051
D052
IOUT = 2 A
TPSM82822A
TPSM82822A
Figure 9-108. Start-up / Shutdown with Resistive
Load
Figure 9-109. Short Circuit, HICCUP Protection
Entry / Exit
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
9.2.1.3.5 TPSM82823 Performance Curves
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
100µ
1m
10m
Load (A)
100m
1
3
100µ
1m
10m
Load (A)
100m
1
3
D033
D033
VIN = 5 V
TA = 25°C
TPSM82823
VIN = 5 V
TA = 85°C
TPSM82823
Figure 9-110. Efficiency
Figure 9-111. Efficiency
100
100
95
90
85
80
75
70
65
60
55
50
45
40
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
100µ
1m
10m
Load (A)
100m
1
3
100µ
1m
10m
Load (A)
100m
1
3
D033
D033
VIN = 4.2 V
TA = 25°C
TPSM82823
VIN = 4.2 V
TA = 85°C
TPSM82823
Figure 9-112. Efficiency
Figure 9-113. Efficiency
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
100µ
1m
10m
Load (A)
100m
1
3
100µ
1m
10m
Load (A)
100m
1
3
D033
D033
VIN = 3.3 V
TA = 25°C
TPSM82823
VIN = 3.3 V
TA = 85°C
TPSM82823
Figure 9-114. Efficiency
Figure 9-115. Efficiency
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100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
100µ
1m
10m
Load (A)
100m
1
3
100µ
1m
10m
Load (A)
100m
1
3
D033
D033
VIN = 2.4 V
TA = 25°C
TPSM82823
VIN = 2.4 V
TA = 85°C
TPSM82823
Figure 9-116. Efficiency
Figure 9-117. Efficiency
3.5
3.5
3
2.5
2
3
2.5
2
1.5
1
1.5
1
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
0.5
0
0.5
0
45
55
65
75
85
95
105
115
125
45
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 0.6 V
TPSM82823
RθJA = 64.3°C/W
VOUT = 1.2 V
TPSM82823
RθJA = 64.3°C/W
Figure 9-118. Safe Operating Area
Figure 9-119. Safe Operating Area
3.5
3.5
3
3
2.5
2
2.5
2
1.5
1.5
1
1
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 3.3 V
VIN = 4.2 V
0.5
0.5
VIN = 5 V
VIN = 5 V
0
45
0
45
55 65
75
85
95
105
115
125
55 65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 1.8 V
TPSM82823
RθJA = 64.3°C/W
VOUT = 2.5 V
TPSM82823
RθJA = 64.3°C/W
Figure 9-120. Safe Operating Area
Figure 9-121. Safe Operating Area
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
3.5
3
0.612
0.606
0.6
2.5
2
1.5
1
0.5
0
0.594
VIN = 2.5 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
VIN = 5 V
55 65
45
75
85
95
105
115
125
Ambient Temperature (°C)
0.588
VOUT = 3.3 V
TPSM82823
RθJA = 64.3°C/W
100µ
1m
10m
Load (A)
100m
1
3
D037
Figure 9-122. Safe Operating Area
VOUT = 0.6 V
TPSM82823
Figure 9-123. Load Regulation
1.224
1.212
1.2
1.836
1.818
1.8
1.188
1.782
VIN = 2.5 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
VIN = 2.5 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
1.176
1.764
100µ
1m
10m
Load (A)
100m
1
3
100µ
1m
10m
Load (A)
100m
1
3
D037
D037
VOUT = 1.2 V
TPSM82823
VOUT = 1.8 V
TPSM82823
Figure 9-124. Load Regulation
Figure 9-125. Load Regulation
2.525
2.5
3.33
3.3
2.475
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 4.2 V
VIN = 5 V
2.45
3.27
100µ
1m
10m
Load (A)
100m
1
3
100µ
1m
10m
Load (A)
100m
1
3
D037
D037
VOUT = 2.5 V
TPSM82823
VOUT = 3.3 V
TPSM82823
Figure 9-126. Load Regulation
Figure 9-127. Load Regulation
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VOUT
10mV/DIV
VOUT
10mV/DIV
AC
AC
VSW
2V/DIV
VSW
2V/DIV
Time - 200ns/DIV
D045
IOUT = 3 A
TPSM82823
Time - 2µs/DIV
Figure 9-128. Output Ripple in PWM Mode
D045
IOUT = 25 mA
TPSM82823
Figure 9-129. Output Ripple in PSM Mode
VOUT
20mV/DIV
VOUT
50mV/DIV
IOUT
1A/DIV
IOUT
1A/DIV
Time - 20µs/DIV
Time - 10µs/DIV
D047
D048
IOUT = 25 mA to 3 A
TPSM82823
IOUT = 0 A to 3 A
Slew Rate = 2 A/µs
TPSM82823
Figure 9-130. Load Sweep
Figure 9-131. Load Transient
VEN
5V/DIV
VOUT
50mV/DIV
VPG
2V/DIV
VOUT
0.4V/DIV
IOUT
1A/DIV
Time - 10µs/DIV
Time - 500µs/DIV
D048
D050
IOUT = 0.5 A to 3 A
Slew Rate = 2 A/µs
TPSM82823
IOUT = no load
TPSM82823
Figure 9-132. Load Transient
Figure 9-133. Start-up / Shutdown without Load
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
VPG
2V/DIV
VEN
5V/DIV
VPG
2V/DIV
VOUT
0.4V/DIV
VOUT
Iload
0.4V/DIV
2A/DIV
Time - 500µs/DIV
Time - 500µs/DIV
D051
D052
IOUT = 3 A
TPSM82823
TPSM82823
Figure 9-134. Start-up / Shutdown with Resistive
Load
Figure 9-135. Short Circuit, HICCUP Protection
Entry / Exit
Horizontal - QPK
Vertical - QPK
CISPR 11 Group 1 Class B 3m Limit
RLOAD = 0.68 Ω, VIN = 5.5 V (battery supply), VOUT = 1.8 V, tested on TPSM82823EVM-080
Figure 9-136. TPSM82823 Radiated Emissions
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9.2.1.3.6 TPSM82823A Performance Curves
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
3
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
3
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 5 V
TA = 25°C
TPSM82823A
VIN = 5 V
TA = 85°C
TPSM82823A
Figure 9-137. Efficiency
Figure 9-138. Efficiency
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
3
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
3
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 4.2 V
TA = 25°C
TPSM82823A
VIN = 4.2 V
TA = 85°C
TPSM82823A
Figure 9-139. Efficiency
Figure 9-140. Efficiency
100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
50
45
40
VOUT = 0.6V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
3
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
3
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 3.3 V
TA = 25°C
TPSM82823A
VIN = 3.3 V
TA = 85°C
TPSM82823A
Figure 9-141. Efficiency
Figure 9-142. Efficiency
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100
95
90
85
80
75
70
65
60
55
50
45
40
100
95
90
85
80
75
70
65
60
55
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 0.6V
VOUT = 1.2V
VOUT = 1.8V
50
45
40
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
3
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
3
Load (A)
Load (A)
D005
D033
D005
D033
VIN = 2.4 V
TA = 25°C
TPSM82823A
VIN = 2.4 V
TA = 85°C
TPSM82823A
Figure 9-143. Efficiency
Figure 9-144. Efficiency
4
3.5
3
4
3.5
3
2.5
2
2.5
2
1.5
1
1.5
1
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
0.5
0
0.5
0
45
55
65
75
85
95
105
115
125
45
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
D037
VOUT = 1.2 V
TPSM82823A
RθJA = 64.3 °C/W
VOUT = 0.6 V
TPSM82823A
RθJA = 64.3 °C/W
Figure 9-146. Safe Operating Area
Figure 9-145. Safe Operating Area
4
3.5
3
4
3.5
3
2.5
2
2.5
2
1.5
1.5
1
1
0.5
0
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
0.5
0
VIN = 4.2 V
VIN = 5 V
45
55
65
75
85
95
105
115
125
45
55
65
75
85
95
105
115
125
Ambient Temperature (°C)
Ambient Temperature (°C)
VOUT = 1.8 V
TPSM82823A
RθJA = 64.3 °C/W
VOUT = 2.5 V
TPSM82823A
RθJA = 64.3 °C/W
Figure 9-147. Safe Operating Area
Figure 9-148. Safe Operating Area
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4
3.5
3
0.606
2.5
2
0.6
1.5
1
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
0.5
0
VIN = 5 V
55 65
0.594
45
75
85
95
105
115
125
100µ
1m
10m
Load (A)
100m
1
3
Ambient Temperature (°C)
D037
VOUT = 3.3 V
TPSM82823A
RθJA = 64.3 °C/W
VOUT = 0.6 V
TPSM82823A
Figure 9-149. Safe Operating Area
Figure 9-150. Load Regulation
1.224
1.818
1.8
1.212
1.2
1.782
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
VIN = 2.4 V
VIN = 3.3 V
VIN = 4.2 V
VIN = 5.0 V
1.188
1.764
100µ
1m
10m
Load (A)
100m
1
3
100µ
1m
10m
Load (A)
100m
1
3
D037
D037
VOUT = 1.2 V
TPSM82823A
VOUT = 1.8 V
TPSM82823A
Figure 9-151. Load Regulation
Figure 9-152. Load Regulation
2.529
2.523
2.517
2.511
2.505
2.499
2.493
2.487
2.481
2.475
3.33
3.324
3.318
3.312
3.306
3.3
3.294
3.288
3.282
3.276
3.27
VIN = 3.3 V
VIN = 4.2 V
VIN = 5 V
VIN = 4.2 V
VIN = 5 V
100µ
1m
10m
Load (A)
100m
1
3
100µ
1m
10m
Load (A)
100m
1
3
D037
D037
VOUT = 2.5 V
TPSM82823A
VOUT = 3.3 V
TPSM82823A
Figure 9-153. Load Regulation
Figure 9-154. Load Regulation
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
VOUT
10mV/DIV
VOUT
10mV/DIV
AC
VSW
2V/DIV
IOUT
1A/DIV
Time - 200ns/DIV
Time - 20µs/DIV
D045
D047
IOUT = 3 A
TPSM82823A
IOUT = 0 mA to 3 A
TPSM82823A
Figure 9-155. Output Ripple in PWM Mode
Figure 9-156. Load Sweep
VEN
5V/DIV
VPG
2V/DIV
VOUT
20mV/DIV
IOUT
1A/DIV
VOUT
0.4V/DIV
Time - 10µs/DIV
Time - 500µs/DIV
D048
D050
IOUT = 0 A to 3 A
Slew Rate = 2 A/µs
TPSM82823A
IOUT = no load
TPSM82823A
Figure 9-157. Load Transient
Figure 9-158. Start-up / Shutdown without Load
VEN
5V/DIV
VPG
2V/DIV
VPG
2V/DIV
VOUT
0.4V/DIV
VOUT
0.4V/DIV
Iload
2A/DIV
Time - 500µs/DIV
Time - 500µs/DIV
D052
D051
IOUT = 3 A
TPSM82823A
TPSM82823A
Figure 9-159. Start-up / Shutdown with Resistive
Load
Figure 9-160. Short Circuit, HICCUP Protection
Entry / Exit
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10 Power Supply Recommendations
The devices are designed to operate from an input supply voltage range between 2.4 V and 5.5 V. The average
input current of the TPSM8282x/TPSM8282xA is calculated as:
VOUT ´IOUT
1
IIN
=
´
h
V
IN
(7)
Ensure that the power supply has a sufficient current rating for the application.
11 Layout
11.1 Layout Guidelines
A proper layout is critical for the operation of any switched mode power supply, especially at high switching
frequencies. Therefore, the PCB layout of the TPSM8282x/TPSM8282xA demands careful attention to ensure
best performance. A poor layout can lead to issues like bad line and load regulation, instability, increased EMI
radiation, and noise sensitivity. Refer to the Five Steps to a Great PCB Layout for a Step-Down Converter
Technical Brief for a detailed discussion of general best practices. Specific recommendations for the device are
listed below.
•
The input capacitor should be placed as close as possible to the VIN and GND pins of the device. This is the
most critical component placement. Route the input capacitor directly to the VIN and GND pins avoiding vias.
Place the output capacitor ground close to the VOUT and GND pins and route it directly avoiding vias.
Place the FB resistors, R1 and R2, and the feedforward capacitor CFF close to the FB pin to minimize noise
pickup.
•
•
•
•
The recommended layout is implemented on the EVM and shown in its TPSM8282xEVM-080 Evaluation
Module User's Guide
The recommended land pattern for the TPSM8282x/TPSM8282xA is shown at the end of this data sheet. For
best manufacturing results, it is important to create the pads as solder mask defined (SMD), when some pins
(such as VIN, VOUT, and GND) are connected to large copper planes. Using SMD pads keeps each pad the
same size and avoids solder pulling the device during reflow.
11.2 Layout Example
GND
VIN
12mm2
solution size
VOUT
Figure 11-1. TPSM8282xx PCB Layout for the Fixed Output Voltage Devices (BOM from Table 9-2)
23mm2
solution size
GND
GND
VIN
VOUT
Figure 11-2. TPSM8282x/TPSM8282xA PCB Layout for the Adjustable Devices (BOM from Table 9-1 with 1
x 22-uF for C2)
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
11.2.1 Thermal Consideration
The TPSM8282x/TPSM8282xA module temperature must be kept less than the maximum rating of 125°C. The
following are three basic approaches for enhancing thermal performance:
•
•
•
Improve the power dissipation capability of the PCB design.
Improve the thermal coupling of the component to the PCB.
Introduce airflow into the system.
To estimate the approximate module temperature of the TPSM8282x/TPSM8282xA, apply the typical efficiency
stated in this data sheet to the desired application condition to compute the power dissipation of the module.
Then, calculate the module temperature rise by multiplying the power dissipation by its thermal resistance. Using
this method to compute the maximum device temperature, the Safe Operating Area (SOA) graphs demonstrate
the required derating in maximum output current at high ambient temperatures. For more details on how to use
the thermal parameters in real applications, see the application notes: Thermal Characteristics of Linear and
Logic Packages Using JEDEC PCB Designs and Semiconductor and IC Package Thermal Metrics.
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
www.ti.com
12 Device and Documentation Support
12.1 Device Support
12.1.1 Third-Party Products Disclaimer
TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT
CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES
OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER
ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE.
12.1.2 Development Support
12.1.2.1 Models and Simulators
PSpice® for TI is a design and simulation environment that helps evaluate performance of analog circuits.
Create subsystem designs and prototype solutions before committing to layout and fabrication, reducing
development cost and time to market.
12.2 Documentation Support
12.2.1 Related Documentation
For related documentation see the following:
Texas Instruments, TPSM82822EVM-080 Evaluation Module, SLVUBR5
12.3 Receiving Notification of Documentation Updates
To receive notification of documentation updates, navigate to the device product folder on ti.com. Click on
Subscribe to updates to register and receive a weekly digest of any product information that has changed. For
change details, review the revision history included in any revised document.
12.4 Trademarks
MicroSiP™ are trademarks of TI.
All trademarks are the property of their respective owners.
12.5 Electrostatic Discharge Caution
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled
with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may
be more susceptible to damage because very small parametric changes could cause the device not to meet its published
specifications.
12.6 Glossary
TI Glossary
This glossary lists and explains terms, acronyms, and definitions.
Mechanical, Packaging, and Orderable Information
The following pages include mechanical, packaging, and orderable information. This information is the most
current data available for the designated devices. This data is subject to change without notice and revision of
this document. For browser-based versions of this data sheet, refer to the left-hand navigation.
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
13.1 Tape and Reel Information
REEL DIMENSIONS
TAPE DIMENSIONS
K0
P1
W
B0
Reel
Diameter
Cavity
A0
A0 Dimension designed to accommodate the component width
B0 Dimension designed to accommodate the component length
K0 Dimension designed to accommodate the component thickness
Overall width of the carrier tape
W
P1 Pitch between successive cavity centers
Reel Width (W1)
QUADRANT ASSIGNMENTS FOR PIN 1 ORIENTATION IN TAPE
Sprocket Holes
Q1 Q2
Q3 Q4
Q1 Q2
Q3 Q4
User Direction of Feed
Pocket Quadrants
Reel
Diameter
(mm)
Reel
Width W1
(mm)
Package
Type
Package
Drawing
A0
(mm)
B0
(mm)
K0
(mm)
P1
(mm)
W
(mm)
Pin1
Quadrant
Device
Pins
SPQ
TPSM82821SILR
uSiP
SIL
10
3000
330.0
8.4
2.25
2.75
1.25
4.0
8.0
Q1
TPSM82821ASILR
TPSM828211SILR
TPSM828212SILR
TPSM828213SILR
TPSM828214SILR
TPSM82822SILR
TPSM82822ASILR
TPSM828221SILR
TPSM828222SILR
TPSM828223SILR
TPSM828224SILR
TPSM82823SILR
TPSM82823ASILR
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
10
10
10
10
10
10
10
10
10
10
10
10
10
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
8.4
2.25
2.75
1.25
4.0
8.0
Q1
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
www.ti.com
TAPE AND REEL BOX DIMENSIONS
Width (mm)
H
W
L
Device
Package Type
uSiP
Package Drawing Pins
SPQ
3000
3000
3000
Length (mm) Width (mm)
Height (mm)
58.0
TPSM82821SILR
TPSM82821ASILR
TPSM828211SILR
SIL
SIL
SIL
10
10
10
383.0
383.0
383.0
353.0
353.0
353.0
uSiP
58.0
uSiP
58.0
TPSM828212SILR
TPSM828213SILR
TPSM828214SILR
TPSM82822SILR
TPSM82822ASILR
TPSM828221SILR
TPSM828222SILR
TPSM828223SILR
TPSM828224SILR
TPSM82823SILR
TPSM82823ASILR
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
10
10
10
10
10
10
10
10
10
10
10
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
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www.ti.com
SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
PACKAGE OUTLINE
uSIPTM - 1.1 mm max height
SIL0010D
S
C
A
L
E
6
.
0
0
0
MICRO SYSTEM IN PACKAGE
2.1
1.9
A
B
PIN 1 INDEX
AREA
2.6
2.4
(2)
PICK AREA
NOTE 3
(1.25)
1.1 MAX
C
SEATING PLANE
0.08 C
SYMM
SOLDER MASK
0.7
0.6
10X
10X EXPOSED COPPER
5
6
8X 0.5
SYMM
2
10
1
0.3
10X
(0.05) TYP
COPPER PULLBACK
PIN 1 ID
0.2
0.1
C A B
0.05
C
4223961/D 09/2019
MicroSiP is a trademark of Texas Instruments
NOTES:
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing
per ASME Y14.5M.
2. This drawing is subject to change without notice.
3. Pick and place nozzle 0.33 mm or smaller recommended.
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
www.ti.com
EXAMPLE BOARD LAYOUT
uSIPTM - 1.1 mm max height
SIL0010D
MICRO SYSTEM IN PACKAGE
10X (0.65)
10
1
10X (0.25)
(R0.05) TYP
SYMM
8X (0.5)
6
5
SYMM
(1.25)
SEE SOLDER MASK
DETAILS
LAND PATTERN EXAMPLE
EXPOSED METAL SHOWN
SCALE:25X
0.05 MAX
ALL AROUND
0.05 MIN
ALL AROUND
EXPOSED
METAL
EXPOSED
METAL
SOLDER MASK
OPENING
METAL EDGE
SOLDER MASK
OPENING
METAL UNDER
SOLDER MASK
NON SOLDER MASK
DEFINED
SOLDER MASK DEFINED
SOLDER MASK DETAILS
NOT TO SCALE
4223961/D 09/2019
NOTES: (continued)
4. For more information, see Texas Instruments literature number SLUA271 (www.ti.com/lit/slua271).
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SLVSEP0F – AUGUST 2019 – REVISED NOVEMBER 2021
EXAMPLE STENCIL DESIGN
uSIPTM - 1.1 mm max height
SIL0010D
MICRO SYSTEM IN PACKAGE
7X (0.65)
10
7X (0.25)
1
SYMM
8X (0.5)
5
6
(R0.05) TYP
SYMM
(1.25)
SOLDER PASTE EXAMPLE
BASED ON 0.125 mm THICK STENCIL
SCALE:25X
4223961/D 09/2019
NOTES: (continued)
5. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate
design recommendations.
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PACKAGE OPTION ADDENDUM
www.ti.com
24-Nov-2021
PACKAGING INFORMATION
Orderable Device
Status Package Type Package Pins Package
Eco Plan
Lead finish/
Ball material
MSL Peak Temp
Op Temp (°C)
Device Marking
Samples
Drawing
Qty
(1)
(2)
(3)
(4/5)
(6)
TPSM828211SILR
TPSM828212SILR
TPSM828213SILR
TPSM828214SILR
TPSM82821ASILR
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
uSiP
uSiP
uSiP
uSiP
uSiP
SIL
SIL
SIL
SIL
SIL
10
10
10
10
10
3000 RoHS & Green
3000 RoHS & Green
3000 RoHS & Green
3000 RoHS & Green
ENEPIG
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
GA1
GA2
GA3
GA4
L5
ENEPIG
ENEPIG
ENEPIG
NIPDAU
3000
RoHS (In
Work) & Green
TPSM82821SILR
TPSM828221SILR
TPSM828222SILR
TPSM828223SILR
TPSM828224SILR
TPSM82822ASILR
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
SIL
SIL
SIL
SIL
SIL
SIL
10
10
10
10
10
10
3000 RoHS & Green
3000 RoHS & Green
3000 RoHS & Green
3000 RoHS & Green
3000 RoHS & Green
ENEPIG
ENEPIG
ENEPIG
ENEPIG
ENEPIG
NIPDAU
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
-40 to 125
GA
G91
G92
G93
G94
L6
3000
RoHS (In
Work) & Green
TPSM82822SILR
TPSM82823ASILR
ACTIVE
ACTIVE
uSiP
uSiP
SIL
SIL
10
10
3000 RoHS & Green
ENEPIG
NIPDAU
Level-2-260C-1 YEAR
Level-2-260C-1 YEAR
-40 to 125
-40 to 125
G9
L7
3000
RoHS (In
Work) & Green
TPSM82823SILR
ACTIVE
uSiP
SIL
10
3000 RoHS & Green
ENEPIG
Level-2-260C-1 YEAR
-40 to 125
KM
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
24-Nov-2021
(2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may
reference these types of products as "Pb-Free".
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based
flame retardants must also meet the <=1000ppm threshold requirement.
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
(6)
Lead finish/Ball material - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead finish/Ball material values may wrap to two
lines if the finish value exceeds the maximum column width.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
25-Nov-2021
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0
B0
K0
P1
W
Pin1
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant
(mm) W1 (mm)
TPSM828211SILR
TPSM828212SILR
TPSM828213SILR
TPSM828214SILR
TPSM82821ASILR
TPSM82821SILR
TPSM828221SILR
TPSM828222SILR
TPSM828223SILR
TPSM828224SILR
TPSM82822ASILR
TPSM82822SILR
TPSM82823ASILR
TPSM82823SILR
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
10
10
10
10
10
10
10
10
10
10
10
10
10
10
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
8.4
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.25
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
2.75
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
1.25
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
25-Nov-2021
*All dimensions are nominal
Device
Package Type Package Drawing Pins
SPQ
Length (mm) Width (mm) Height (mm)
TPSM828211SILR
TPSM828212SILR
TPSM828213SILR
TPSM828214SILR
TPSM82821ASILR
TPSM82821SILR
TPSM828221SILR
TPSM828222SILR
TPSM828223SILR
TPSM828224SILR
TPSM82822ASILR
TPSM82822SILR
TPSM82823ASILR
TPSM82823SILR
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
uSiP
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
SIL
10
10
10
10
10
10
10
10
10
10
10
10
10
10
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
383.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
353.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
58.0
Pack Materials-Page 2
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