ACS756SCB-100B-PSF-T [ALLEGRO]
Analog Circuit,;
| 型号： | ACS756SCB-100B-PSF-T |
| 厂家： | 
ALLEGRO MICROSYSTEMS |
| 描述： | Analog Circuit, |
| 文件： | 总13页 (文件大小：831K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ACS756xCB
Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
Not for New Design
These parts are in production but have been determined to be
NOT FOR NEW DESIGN. This classification indicates that sale of
this device is currently restricted to existing customer applications.
The device should not be purchased for new design applications
because obsolescence in the near future is probable. Samples are no
longer available.
Date of status change: June 5, 2017
Recommended Substitutions:
For existing customer transition, and for new customers or new appli-
cations, use ACS770xCB.
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Allegro MicroSystems, LLC reserves the right to make, from time to time, revisions to the anticipated product life cycle plan
for a product to accommodate changes in production capabilities, alternative product availabilities, or market demand. The
information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no respon-
sibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use.
ACS756xCB
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
FEATURES AND BENEFITS
DESCRIPTION
• Industry-leading noise performance through proprietary
amplifier and filter design techniques
The Allegro ACS756 family of current sensor ICs provides
economicalandprecisesolutionsforACorDCcurrentsensing
in industrial, automotive, commercial, and communications
systems.Thedevicepackageallowsforeasyimplementationby
the customer. Typical applications include motor control, load
detection and management, power supplies, and overcurrent
fault protection.
• Total output error 0.8% at TA= 25°C
• Small package size, with easy mounting capability
• Monolithic Hall IC for high reliability
• Ultra-low power loss:100 µΩ internal conductor resistance
• 3 kVRMS minimum isolation voltage from
pins 1-3 to pins 4-5
The device consists of a precision, low-offset linear Hall
circuit with a copper conduction path located near the die.
Applied current flowing through this copper conduction path
generates a magnetic field which the Hall IC converts into a
proportionalvoltage.Deviceaccuracyisoptimizedthroughthe
close proximity of the magnetic signal to the Hall transducer.
A precise, proportional voltage is provided by the low-offset,
chopper-stabilized BiCMOS Hall IC, which is programmed
for accuracy at the factory.
• 3.0 to 5.0 V, single supply operation
• 3 µs output rise time in response to step input current
• 20 or 40 mV/A output sensitivity
• Output voltage proportional to AC or DC currents
• Factory-trimmed for accuracy
• Extremely stable output offset voltage
• Nearly zero magnetic hysteresis
TÜV America
Certificate Number:
U8V 15 05 54214 037
UL Certified File
No.: US-29755-UL
Theoutputofthedevicehasapositiveslope(>VCC/2)whenan
increasingcurrentflowsthroughtheprimarycopperconduction
path (from terminal 4 to terminal 5), which is the path used
forcurrentsampling.Theinternalresistanceofthisconductive
path is 100 µΩ typical, providing low power loss.
PACKAGE: 5-pin package (suffix CB)
The thickness of the copper conductor allows survival of the
device at up to 5× overcurrent conditions. The terminals of the
conductive path are electrically isolated from the signal leads
PFF
Not to scale
Continued on the next page…
Leadform
Leadform
+5 V
1
2
4
VCC
IP+
CBYP
0.1 µF
ACS756
IP
GND
CF
5
IP–
3
VIOUT
VOUT
RF
Typical Application
The ACS756 outputs an analog signal (VOUT) that varies linearly with the uni- or bi-directional AC or DC primary sampled current, IP,
within the range specified. CF is for optimal noise management, with values that depend on the application.
December 5, 2018
ACS756xCB-DS, Rev. 6
MCO-0000202
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
DESCRIPTION (continued)
(pins 1 through 3). This allows the ACS756 family of sensor ICs The device is fully calibrated prior to shipment from the factory.
to be used in applications requiring electrical isolation without the TheACS75x family is lead (Pb) free.All leads are plated with 100%
use of opto-isolators or other costly isolation techniques.
matte tin, and there is no Pb inside the package. The heavy gauge
leadframe is made of oxygen-free copper.
Selection Guide
TOP
Primary Sampled
Current , IP (A)
Part Number [1]
(°C)
Packing [2]
ACS756SCA-050B-PFF-T [3]
ACS756SCB-050B-PFF-T
ACS756SCA-100B-PFF-T [3]
ACS756SCB-100B-PFF-T
ACS756SCB-100B-PSF-T
ACS756KCA-050B-PFF-T [3]
ACS756KCB-050B-PFF-T
–20 to 85
–20 to 85
–20 to 85
–20 to 85
–20 to 85
–40 to 125
–40 to 125
±50
±50
±100
±100
±100
±50
34 per tube
±50
[1] Additional leadform options available for qualified volumes
[2] Contact Allegro for additional packing options.
[3] Part variant is discontinued. Samples are no longer available. For new customers or new applications, please contact Allegro.
Date of status change: December 5, 2016.
SPECIFICATIONS
Absolute Maximum Ratings
Characteristic
Symbol
VCC
Notes
Rating
8
Units
Forward Supply Voltage
V
V
V
V
Reverse Supply Voltage
Forward Output Voltage
Reverse Output Voltage
VRCC
–0.5
28
VIOUT
VRIOUT
–0.5
Voltage applied between pins 1-3 and 4-5; tested at 3000
VAC for 1 minute according to
UL standard 60950-1
Working Voltage for Reinforced Isolation
Working Voltage for Basic Isolation
VWORKING-R
353
500
VDC/Vpk
VDC/Vpk
Voltage applied between pins 1-3 and 4-5; tested at 3000
VAC for 1 minute according to
VWORKING-B
UL standard 60950-1
Output Source Current
Output Sink Current
IOUT(Source)
IOUT(Sink)
VIOUT to GND
VCC to VIOUT
Range K
3
mA
mA
°C
1
–40 to 125
–20 to 85
165
Nominal Operating Ambient Temperature
TOP
Range S
°C
Maximum Junction
TJ(max)
Tstg
°C
Storage Temperature
–65 to 165
°C
2
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
+5 V
VCC
IP+
To all subcircuits
VIOUT
Amp
Out
0.1 µF
Temperature
Coefficient
Gain
Offset
Trim Control
GND
IP–
Functional Block Diagram
Terminal List Table
IP+
IP–
4
5
Number
Name
VCC
GND
VIOUT
IP+
Description
3
2
1
VIOUT
GND
VCC
1
2
3
4
5
Device power supply terminal
Signal ground terminal
Analog output signal
Terminal for current being sampled
Terminal for current being sampled
Pinout Diagram
IP–
3
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
COMMON OPERATING CHARACTERISTICS [1]: Over full range of TOP and VCC = 5 V, unless otherwise specified
Characteristic
Supply Voltage [2]
Symbol
Test Conditions
Min.
Typ.
5.0
10
Max.
5.5
14
–
Units
VCC
3
V
Supply Current
ICC
VCC = 5.0 V, output open
–
mA
µs
Power On Time
tPO
TA = 25°C
–
35
Rise Time
tr
IP = three-quarter scale of IP+, TA = 25°C, COUT = 0.47 nF
–
3
–
µs
Internal Bandwidth [3]
Output Load Resistance
Output Load Capacitance
Primary Conductor Resistance
Symmetry
BWi
–3 dB; IP is 10 A peak-to-peak; 100 pF from VIOUT to GND
–
120
–
–
kHz
kΩ
nF
RLOAD(MIN)
CLOAD(MAX)
RPRIMARY
ESYM
VIOUT to GND
VIOUT to GND
TA = 25°C
4.7
–
–
–
10
–
–
100
100
µΩ
%
Over half-scale of Ip
98.5
101.5
Bidirectional 0 A Output
Magnetic Offset Error
Ratiometry
VOUT(QBI)
IERROM
VRAT
IP = 0 A, TA = 25°C
–
–
–
–
VCC / 2
±0.20
100
–
–
–
–
V
A
IP = 0 A, after excursion of 100 A
VCC = 4.5 to 5.5 V
%
µs
Propagation Time
tPROP
TA = 25°C, COUT = 100 pF,
1
[1] Device is factory-trimmed at 5 V, for optimal accuracy.
[2] Devices are programmed for maximum accuracy at 5.0 V VCC levels. The device contains ratiometry circuits that accurately alter the 0 A Output Voltage and Sensitivity
level of the device in proportion to the applied VCC level. However, as a result of minor nonlinearities in the ratiometry circuit additional output error will result when VCC
varies from the 5 V VCC level. Customers that plan to operate the device from a 3.3 V regulated supply should contact their local Allegro sales representative regarding
expected device accuracy levels under these bias conditions.
[3] Guaranteed by design.
4
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
ACS756KCB-050 PERFORMANCE CHARACTERISTICS [1]: TOP = –40°C to 125°C, VCC= 5 V, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min.
–50
–
Typ.
Max.
50
–
Units
Primary Sampled Current
IP
–
A
SensTA
SensTOP
VNOISE
ELIN(HT)
ELIN(LT)
VOE(TA)
Half scale of IP applied for 5 ms, TA = 25°C
Half scale of IP applied for 5 ms
40
–
mV/A
mV/A
mV
%
Sensitivity
Noise [2]
37.2
–
42.8
–
TA= 25°C, 10 nF on VIOUT pin to GND
Up to full scale of IP, IP applied for 5 ms, TOP = 25°C to 125°C
Up to full scale of IP, IP applied for 5 ms, TOP = –40°C to 25°C
IP = 0 A, TA = 25°C
10
–
–1
1
Nonlinearity
–1.8
–
–
1.8
–
%
±2
–
mV
mV
mV
%
Electrical Offset Voltage [3]
Total Output Error [4]
VOE(TOP)HT IP = 0 A, TOP = 25°C to 125°C
VOE(TOP)LT IP = 0 A, TOP = –40°C to 25°C
–30
–60
–7.5
–7.5
30
60
7.5
7.5
–
ETOT(HT)
ETOT(LT)
Over full scale of IP, IP applied for 5 ms, TOP = 25°C to 125°C
Over full scale of IP, IP applied for 5 ms, TOP = –40°C to 25°C
–
–
%
[1] Device may be operated at higher primary current levels, IP, and ambient temperatures, TOP, provided that the Maximum Junction Temperature, TJ(max), is not exceeded.
[2] 6σ noise voltage.
[3]
V
drift is referred to ideal VOE = 2.5 V at 0 A.
OE(TOP)
[4] Percentage of IP, with IP = 25 A. Output filtered.
ACS756SCB-050 PERFORMANCE CHARACTERISTICS [1]: TOP = –20°C to 85°C, VCC= 5 V, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min.
–50
–
Typ.
Max.
50
–
Units
Primary Sampled Current
IP
–
A
SensTA
Half scale of IP applied for 5 ms, TA = 25°C
40
–
mV/A
mV/A
mV
%
Sensitivity
Noise [2]
SensTOP Half scale of IP applied for 5 ms
38.3
–
41.7
–
VNOISE
ELIN(HT)
ELIN(LT)
VOE(TA)
TA= 25°C, 10 nF on VIOUT pin to GND
10
–
Up to full scale of IP, IP applied for 5 ms, TOP = 25°C to 85°C
Up to full scale of IP, IP applied for 5 ms, TOP = –20°C to 25°C
IP = 0 A, TA = 25°C
–1
1
Nonlinearity
–1
–
1
%
–
±2
–
–
mV
mV
mV
%
Electrical Offset Voltage [3]
Total Output Error [4]
VOE(TOP)HT IP = 0 A, TOP = 25°C to 85°C
VOE(TOP)LT IP = 0 A, TOP = –20°C to 25°C
–30
–30
–5
30
30
5
–
ETOT(HT)
ETOT(LT)
Over full scale of IP, IP applied for 5 ms, TOP = 25°C to 85°C
Over full scale of IP, IP applied for 5 ms, TOP = –20°C to 25°C
–
–5
–
5
%
[1] Device may be operated at higher primary current levels, IP, and ambient temperatures, TOP, provided that the Maximum Junction Temperature, TJ(max), is not exceeded.
[2] 6σ noise voltage.
[3]
V
drift is referred to ideal VOE = 2.5 V at 0 A.
OE(TOP)
[4] Percentage of IP, with IP = 25 A. Output filtered.
5
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
ACS756SCB-100 PERFORMANCE CHARACTERISTICS [1]: TOP = –20°C to 85°C, VCC= 5 V, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min.
–100
–
Typ.
Max.
100
–
Units
Primary Sampled Current
IP
–
A
SensTA
SensTOP
VNOISE
ELIN(HT)
ELIN(LT)
VOE(TA)
Half scale of IP applied for 5 ms, TA = 25°C
Half scale of IP applied for 5 ms
20
–
mV/A
mV/A
mV
%
Sensitivity
Noise [2]
18.2
–
21.8
–
TA= 25°C, 10 nF on VIOUT pin to GND
Up to full scale of IP, IP applied for 5 ms, TOP = 25°C to 85°C
Up to full scale of IP, IP applied for 5 ms, TOP = –20°C to 25°C
IP = 0 A, TA = 25°C
6
– 1.75
– 1
–
–
1.75
1
Nonlinearity
–
%
±2
–
–
mV
mV
mV
%
Electrical Offset Voltage [3]
Total Output Error [4]
VOE(TOP)HT IP = 0 A, TOP = 25°C to 85°C
VOE(TOP)LT IP = 0 A, TOP = –20°C to 25°C
–30
–30
–8
30
30
8
–
ETOT(HT)
ETOT(LT)
Over full scale of IP, IP applied for 5 ms, TOP = 25°C to 85°C
Over full scale of IP, IP applied for 5 ms, TOP = –20°C to 25°C
–
–7
–
7
%
[1] Device may be operated at higher primary current levels, IP, and ambient temperatures, TOP, provided that the Maximum Junction Temperature, TJ(max), is not exceeded.
[2] 6σ noise voltage.
[3]
V
drift is referred to ideal VOE = 2.5 V at 0 A.
OE(TOP)
[4] Percentage of IP, with IP = 25 A. Output filtered.
6
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
DEFINITIONS OF ACCURACY CHARACTERISTICS
The ratiometric change (%) in the quiescent voltage output is
defined as:
Sensitivity (Sens)
The change in device output in response to a 1A change through
the primary conductor. The sensitivity is the product of the mag-
netic circuit sensitivity (G/A) and the linear IC amplifier gain
(mV/G). The linear IC amplifier gain is programmed at the factory
to optimize the sensitivity (mV/A) for the half-scale current of the
device.
VIOUTQ(V
VIOUTQ(5V)
)
CC
∆VIOUTQ(∆V)
× 100%
=
VCC
5 V
and the ratiometric change (%) in sensitivity is defined as:
Sens(V
Sens(5V)
)
CC
∆Sens(∆V)
× 100%
=
VCC
5 V
Noise (VNOISE
)
The noise floor is derived from the thermal and shot noise
observed in Hall elements. Dividing the noise (mV) by the sensi-
tivity (mV/A) provides the smallest current that the device is able
to resolve.
Quiescent Output Voltage (V
)
IOUT(Q)
The output of the device when the primary current is zero. For
a unipolar supply voltage, it nominally remains at VCC ⁄ 2. Thus,
VCC = 5 V translates into VIOUT(Q) = 2.5 V. Variation in VOUT(Q)
can be attributed to the resolution of the Allegro linear IC quies-
cent voltage trim, magnetic hysteresis, and thermal drift.
Nonlinearity (ELIN
)
The degree to which the voltage output from the IC varies in
direct proportion to the primary current through its half-scale
amplitude. Nonlinearity in the output can be attributed to the
saturation of the flux concentrator approaching the half-scale cur-
rent. The following equation is used to derive the linearity:
Electrical Offset Voltage (VOE)
The deviation of the device output from its ideal quiescent value
of VCC ⁄ 2 due to nonmagnetic causes.
Magnetic Offset Error (IERROM
)
) [ {
V
–VIOUT(Q)
∆ gain × % sat (
IOUT_half-scale amperes
2 (VIOUT_quarter-scale amperes –VIOUT(Q)
100
1–
)
The magnetic offset is due to the residual magnetism (remnant
field) of the core material. The magnetic offset error is highest
when the magnetic circuit has been saturated, usually when the
device has been subjected to a full-scale or high-current overload
condition. The magnetic offset is largely dependent on the mate-
rial used as a flux concentrator. The larger magnetic offsets are
observed at the lower operating temperatures.
where
∆ gain = the gain variation as a function of temperature
changes from 25°C,
% sat = the percentage of saturation of the flux concentra-
tor, which becomes significant as the current being sampled
approaches half-scale ±IP , and
Total Output Error (ETOT
)
VIOUT_half-scale amperes = the output voltage (V) when the
sampled current approximates half-scale ±IP .
The maximum deviation of the actual output from its ideal value,
also referred to as accuracy, illustrated graphically in the output
voltage versus current chart on the following page.
Symmetry (ESYM
)
The degree to which the absolute voltage output from the IC
varies in proportion to either a positive or negative half-scale pri-
mary current. The following equation is used to derive symmetry:
E
TOT is divided into four areas:
• 0 A at 25°C. Accuracy at the zero current flow at 25°C,
without the effects of temperature.
VIOUT_+ half-scale amperes –VIOUT(Q)
100
VIOUT(Q) – VIOUT_–half-scale amperes
• 0 A over Δ temperature. Accuracy at the zero current flow
including temperature effects.
Ratiometry
• Half-scale current at 25°C. Accuracy at the the half-scale current
at 25°C, without the effects of temperature.
The device features a ratiometric output. This means that the qui-
escent voltage output, VIOUTQ, and the magnetic sensitivity, Sens, • Half-scale current over Δ temperature. Accuracy at the half-scale
are proportional to the supply voltage, VCC
.
current flow including temperature effects.
7
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
DEFINITIONS OF DYNAMIC RESPONSE CHARACTERISTICS
Power-On Time (tPO)
When the supply is ramped to its operating voltage, the device
requires a finite time to power its internal components before
responding to an input magnetic field.
Power-On Time, tPO , is defined as the time it takes for the output
voltage to settle within ±10% of its steady state value under an
applied magnetic field, after the power supply has reached its
minimum specified operating voltage, VCC(min), as shown in the
chart at right.
Rise Time (tr)
The time interval between a) when the device reaches 10% of its
full scale value, and b) when it reaches 90% of its full scale value.
The rise time to a step response is used to derive the bandwidth
of the device, in which ƒ(–3 dB) = 0.35/tr. Both tr and tRESPONSE
are detrimentally affected by eddy current losses observed in the
conductive IC ground plane.
Power-On TIme (tPO
)
Primary Current
I (%)
90
Propagation Delay (tPROP
)
The time required for the device output to reflect a change in
the primary current signal. Propagation delay is attributed to
inductive loading within the linear IC package, as well as in the
inductive loop formed by the primary conductor geometry. Propa-
gation delay can be considered as a fixed time offset and may be
compensated.
Transducer Output
10
0
t
Increasing VIOUT(V)
Rise Time, t
r
Accuracy
Over ∆Temp erature
Rise TIme (tr)
Accuracy
25°C Only
Average
V
IOUT
Primary Current
I (%)
90
Accuracy
Over ∆Temp erature
Accuracy
25°C Only
IP(min)
–IP (A)
+IP (A)
Half Scale
IP(max)
Transducer Output
0 A
0
t
Propagation Time, tPROP
Accuracy
25°C Only
Propagation Delay (tPROP
)
Accuracy
Over ∆Temp erature
Decreasing VIOUT(V)
Output Voltage versus Sampled Current
Total Output Error at 0 A and at Half-Scale Current
8
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
CHOPPER STABILIZATION TECHNIQUE
Chopper Stabilization is an innovative circuit technique that is
result of this chopper stabilization approach, the output voltage
used to minimize the offset voltage of a Hall element and an asso- from the Hall IC is desensitized to the effects of temperature and
ciated on-chip amplifier. Allegro’s Chopper Stabilization tech-
nique nearly eliminates Hall IC output drift induced by tempera-
ture or package stress effects. This offset reduction technique is
based on a signal modulation-demodulation process. Modulation
is used to separate the undesired DC offset signal from the mag-
netically induced signal in the frequency domain. Then, using
a low-pass filter, the modulated DC offset is suppressed while
the magnetically induced signal passes through the filter. As a
mechanical stress. This technique produces devices that have an
extremely stable Electrical Offset Voltage, are immune to thermal
stress, and have precise recoverability after temperature cycling.
This technique is made possible through the use of a BiCMOS
process that allows the use of low-offset and low-noise amplifiers
in combination with high-density logic integration and sample
and hold circuits.
Regulator
Clock/Logic
Low-Pass
Filter
Hall Element
Amp
Concept of Chopper Stabilization Technique
9
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
PACKAGE OUTLINE DRAWINGS
For Reference Only – Not for Tooling Use
(Reference DWG-9111 & DWG-9110)
Dimensions in millimeters – NOT TO SCALE
Dimensions exclusive of mold flash, gate burs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
14.0 0.2
0.5
3.5 0.2
1º 2ꢀ
R1
4.0 0.2
R2
3.0 0.2
R3
1.50 0.10
5
4
A
∅ 0.5
B
3
4
17.5 0.2
21.4
13.00 0.10
Branded
Face
4.40 0.10
∅ 0.8
∅ 1.5
1.9 0.2
0.51 0.10
2.9 0.2
1
2
3
+0.060
–0.030
1.91
0.381
5º 5ꢀ
3.5 0.2
10.00 0.10
B
PCB Layout Reference View
NNNNNNN
TTT-AAA
7.00 0.10
LLLLLLL
YYWW
A
B
C
Dambar removal intrusion
Perimeter through-holes recommended
Branding scale and appearance at supplier discretion
1
C
Standard Branding Reference View
N = Device part number
T = Temperature code
A = Amperage range
L = Lot number
Y = Last two digits of year of
manufacture
W = Week of manufacture
= Supplier emblem
Package CB, 5-Pin, Leadform PFF
10
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
For Reference Only – Not for Tooling Use
(Reference DWG-9111, DWG-9110)
Dimensions in millimeters – NOT TO SCALE
Dimensions exclusive of mold flash, gate burs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
14.0 0.2
4.0 0.2
3.0 0.2
∅ 0.8
5
4
∅ 1.5
1.50 0.10
1.91
B
PCB Layout Reference View
2.75 0.10
A
23.50 0.5
NNNNNNN
TTT-AAA
13.00 0.10
4.40 0.10
Branded
Face
LLLLLLL
YYWW
1.9 0.2
0.51 0.10
2.9 0.2
C
Standard1Branding Reference View
1
2
3
+0.060
–0.030
N = Device part number
T = Temperature code
A = Amperage range
L = Lot number
0.381
5º 5ꢀ
3.5 0.2
Y = Last two digits of year of
manufacture
W = Week of manufacture
= Supplier emblem
10.00 0.10
7.00 0.10
A
B
C
Dambar removal intrusion
Perimeter through-holes recommended
Branding scale and appearance at supplier discretion
Package CB, 5-Pin, Leadform PSF
11
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Fully Integrated, Hall-Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
ACS756xCB
REVISION HISTORY
Number
Date
Description
–
1
2
3
4
5
6
December 16, 2014
February 9, 2015
June 4, 2015
Initial Release
Added TUV/UL Certification info
Added CA package NND information and CB package to selection guide
Updated CA package variant to discontinued status
Updated product status
December 5, 2016
June 7, 2017
September 18, 2018 Added -PSF package option
December 5, 2018 Updated TUV/UL Certification
Copyright ©2018, Allegro MicroSystems, LLC
Allegro MicroSystems, LLC reserves the right to make, from time to time, such departures from the detail specifications as may be required to
permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that
the information being relied upon is current.
Allegro’s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure of
Allegro’s product can reasonably be expected to cause bodily harm.
The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no responsibility for its
use; nor for any infringement of patents or other rights of third parties which may result from its use.
Copies of this document are considered uncontrolled documents.
For the latest version of this document, visit our website:
www.allegromicro.com
12
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
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