FAN4010IL6X-F113 [ONSEMI]
High-Side Current Sensor;
| 型号： | FAN4010IL6X-F113 |
| 厂家： | 
ONSEMI |
| 描述： | High-Side Current Sensor 光电二极管 |
| 文件： | 总9页 (文件大小：192K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FAN4010
High-Side Current Sensor
Description
Features at +5 V
The FAN4010 is a high-side current sense amplifier
designed for battery-pow ered systems. Using the
FAN4010 for high-side pow er-line monitoring does not
interfere w ith the battery charger’s ground path. The
FAN4010 is designed for portable PCs, cellular phones,
and other portable systems w here battery / DC pow er-
line monitoring is critical.
.
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.
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Low Cost, Accurate, High-Side Current Sensing
Output Voltage Scaling
Up to 2.5 V Sense Voltage
2 V to 6 V Supply Range
2 μA Typical Offset Current
3.5 μA Quiescent Current
-0.2% Accuracy
To provide a high level of flexibility, the FAN4010
functions w ith an external sense resistor to set the
range of load current to be monitored. It has a current
output that can be converted to a ground-referred
voltage w ith a single resistor, accommodating a w ide
range of battery voltages and currents. The FAN4010
features allow it to be used for gas gauging as w ell as
uni-directional or bi-directional current monitoring.
6-Lead MicroPak™ MLP Package
Applications Battery Chargers
.
.
.
.
.
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Battery Chargers
Smart Battery Packs
DC Motor Control
Over-Current Monitor
Pow er Management
Programmable Current Source
Ordering Information
Operating
Temperature
Range
Packing
Package
Part Number
Top Mark
Method
FAN4010IL6X
FAN4010IL6X-F113(1)
Tape &
Reel
-40°C to +85°C
PX
6-Lead, Molded Leadless Package (MLP)
Note s:
1. Legacy product number; please order FAN4010IL6X for new designs.
2. All packages are lead free per JEDEC: J-STD-020B standard.
3. Moisture sensitivity level for all parts is MSL-1.
© 2007 Semiconductor Components Industries, LLC.
Nov em ber-2017, Rev. 2
Publication Order Number:
FAN4010/D
Block Diagram and Typical Circuit
Rsense
Load
VIN
100
6
5
4
1
2
3
V
Load
GND
NC
IN
RLoad
NC
VOUT
IOUT
ROUT
IOUT
Figure 1.
Functional Block Diagram
Figure 2.
Typical Circuit
Pin Configuration
VIN
6
5
4
1
2
3
Load
NC
GND
NC
IOUT
Figure 3.
Pin Assignment (Top Through View)
Pin Descriptions
Name
Type
Description
2, 4
5
NC
GND
IOUT
VIN
No Connect; leave pin floating
Ground
3
Output Current, proportional to VIN-VLOAD
Input Voltage, Supply Voltage
1
6
Load
Connection to load or battery
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Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
VS
Parameter
Min. Typ. Max. Unit
Supply Voltage
0
0
6.3
V
V
VIN
Input Voltage Range
Junction Temperature
Storage Temperature Range
6.3
TJ
+150
+150
+260
°C
TSTG
TL
-65
°C
Reflow Temperature, Soldering
Package Thermal Resistance(4)
°C
456
°C/W
ΘJA
ESD
Human Body Model, JESD22-A114
Charged Device Model, JESD22-C101
5000
1000
Electrostatic Discharge
Protection
V
Note :
4. Package thermal resistance (ΘJA), JEDEC standard, multi-layer test boards, still air.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. ON Semiconductor
does not recommend exceeding them or designing to Absolute Maximum Ratings.
Symbol
Parameter
Min. Max. Unit
TA
VS
Operating Temperature Range
Supply Voltage Range
Input Voltage
-40
2
+85
6
°C
V
VIN
2
6
V
VSENSE
Sensor Voltage Range, VSENSE=VIN-VLOAD, ROUT=0 Ω
2.5
V
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Electrical Characteristics at +5 V
TA = 25°C, VS = VIN = 5 V, ROUT = 100 Ω, RSENSE = 100 Ω, unless otherw ise noted.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Frequency Domain Response
(
BWSS
BWLS
VIN
Small Signal Bandw idth
Large Signal Bandw idth
Input Voltage Range
P =-40 dBm 5), VSENSE=10 mV
600
2
kHz
MHz
V
IN
(
P =-20 dBm 6), VSENSE=100 mV
IN
VIN=VS
2
0
6
VSENSE=0 mV
1
100
1.000
2.00
10.0
3.5
9
µA
VSENSE=10 mV
VSENSE=100 mV
VSENSE=200 mV
VSENSE=1 V
90
110
1.025
2.05
10.3
5.0
IOUT
Output Current(7,8)
0.975
1.95
9.7
mA
IS
ISENSE
ACY
Gm
Supply Current(7)
Load Pin Input Current
Accuracy
VSENSE=0 V, GND Pin Current
µA
nA
2
RSENSE=100 Ω, RSENSE=200 mV(7)
-2.5
-0.2
10000
2.5
%
Transconductance
IOUT/VSENSE
µA/V
Notes :
5. -40 dBm = 6.3 mVpp into 50 Ω.
6. -20 dBm = 63 mVpp into 50 Ω.
7. 100% tested at 25°C.
8. Includes input offset voltage contribution.
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Typical Performance Characteristics
TA = 25°C, VS = VIN = 5 V, ROUT = 100 Ω, RSENSE = 100 Ω, unless otherw ise noted.
10
250
200
150
100
50
VS = 5V
VIN = 5Vꢀ
ROUT = 0Ωꢀ
Average of 100 partsꢀ
ROUT = 0Ω
+1 SIGMA
Average
ROUT = 100Ω
1
0
-50
-100
-150
-1 SIGMA
0.1
0.01
0.1
1
0.1m
1m
10m
100m
1
10
VSENSE (V)
VSENSE vs. Output Current
VSENSE (V)
Output Current Error vs. VSENSE
Figure 4.
Figure 5.
10.4
10.2
10.0
9.8
3
VSENSE = 1Vꢀ
VIN = 5Vꢀ
RL= 0Ω
Vs = 5Vꢀ
ROUT = 100Ω
VSENSE = 1V
0
-3
VSENSE = 0.1V
VSENSE = 0.01V
-6
9.6
-9
PIN = -20dBm of VSENSE = 0.1V & 1Vꢀ
PIN = -40dBm of VSENSE = 0.01V
9.4
-12
-40
-20
0
20
40
60
80
0.01
0.1
1
10
Temperature (°C)
Frequency (MHz)
Figure 6.
Output Current vs. Temperature
Figure 7.
Frequency Response
12
10
8
12
10
8
ROUT = 0Ω
ROUT = 100Ω
VSENSE = 1V
VSENSE = 1V
VSENSE = 0.8V
VSENSE = 0.6V
VSENSE = 0.4V
VSENSE = 0.2V
VSENSE = 0.8V
VSENSE = 0.6V
VSENSE = 0.4V
VSENSE = 0.2V
6
6
4
4
2
2
0
0
-2
-2
0
0
1
2
3
4
5
1
2
3
4
5
VIN (V)
Transfer Characteristics
VIN (V)
Transfer Characteristics
Figure 8.
Figure 9.
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Typical Performance Characteristics (Continued)
TA = 25°C, VS = VIN = 5 V, ROUT = 100 Ω, RSENSE = 100 Ω, unless otherw ise noted.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
2.5
2.0
1.5
1.0
0.5
0
V
SENSE = 200mVꢀ
OUT = 0Ωꢀ
Average of 100 partsꢀ
V
IN = 5Vꢀ
R
P
IN = -20dBmꢀ
R
OUT = 100Ω
+1 SIGMA
Average
V
SENSE = 100mV
-0.5
-1.0
-1.5
-2.0
-2.5
-1 SIGMA
V
SENSE = 10mV
VSENSE = 1mV
0.00001 0.0001 0.001
0.01
0.1
1
10
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Frequency (MHz)
V
IN (V)
Figure 10. CMRR vs. Frequency
Figure 11. VIN vs. Output Current Error
6.0
V
IN = 5Vꢀ
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
R
OUT = 100Ω
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
VSENSE (V)
Figure 12. Supply Current vs. VSENSE
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Application Information
Detailed Description
must be taken not to exceed the maximum pow er
dissipation of the copper trace.
The FAN4010 measures the voltage drop (VSENSE
across an external sense resistor in the high-voltage
side of the circuit. VSENSE is converted to a linear current
via an internal operational amplifier and precision 100 Ω
resistor. The value of this current is VSENSE/100 Ω
(internal). Output current flow s from the IOUT pin to an
external resistor ROUT to generate an output voltage
proportional to the current flow ing to the load.
)
INPUT
LOAD
R
SENSE
0.3in COPPER
0.3in COPPER
0.1in COPPER
Use the follow ing equations to scale a load current to an
output voltage:
6
5
4
1
2
V
Load
GND
NC
IN
VSENSE = ILOAD • RSENSE
(1)
(2)
NC
VOUT = 0.01 × VSENSE × ROUT
VOUT
I
3
OUT
Load
6
ROUT
RLoad
+
Rsense
1
Vsense
100
-
IOUT
3
VIN
V
IN
Figure 14. Using PCB Trace for RSENSE
VOUT
ROUT
Selecting ROUT
ROUT can be chosen to obtain the output voltage range
required for the particular dow nstream application. For
example, if the output of the FAN4010 is intended to
drive an analog-to-digital convertor (ADC), ROUT should
be chosen such that the expected full-scale output
current produces an input voltage that matches the input
range of the ADC. For instance, if expected loading
current ranges from 0 to 1 A, an RSENSE resistor of 1 Ω
produces an output current that ranges from 0 to 10 mA.
If the input voltage range of the ADC is 0 to 2 V, an ROUT
value of 200 Ω should be used. The input voltage and
full-scale output current (IOUT_FS) needs to be taken into
account w hen setting up the output range. To ensure
sufficient operating headroom, choose:
Figure 13. Functional Circuit
Selecting RSENSE
Selection of RSENSE is a balance betw een desired
accuracy and allow able voltage loss. Although the
FAN4010 is optimized for high accuracy w ith low VSENSE
values,
a larger RSENSE value provides additional
accuracy. How ever, larger values of RSENSE create a
larger voltage drop, reducing the effective voltage
available to the load. This can be troublesome in low -
voltage applications. Because of this, the maximum
expected load current and allow able load voltage should
be w ell understood. Although higher values of VSENSE
can be used, RSENSE should be chosen to satisfy the
follow ing condition:
�
ꢁ
such that
ROUT ∙ I
OUTFꢀ
(4)
�
ꢁ
> 1.6푉
VIN − V SENSE – ROUT ∙ IOUT
Fꢀ
Output current accuracy for the recommended VSENSE
betw een 10 mV and 200 mV are typically better than
1%. As a result, the absolute output voltage accuracy is
dependent on the precision of the output resistor.
10mV < 푉
< 200푚푉
(3)
SENSE
For low -cost applications w here accuracy is not as
important, a portion of the printed circuit board (PCB)
trace can be used as an RSENSE resistor. Figure 14
show s an example of this configuration. The resistivity
of a 0.1-inch w ide trace of tw o-ounce copper is about
30 mΩ/ft. Unfortunately, the resistance temperature
coefficient is relatively large (approximately 0.4%/°C), so
systems w ith a w ide temperature range may need to
compensate for this effect. Additionally, self heating due
to load currents introduces a nonlinearity error. Care
Make sure the input impedance of the circuit connected
to VOUT is much higher than ROUT to ensure accurate
VOUT values.
Since the FAN4010 provides
a
trans-impedance
function, it is suitable for applications involving current
rather than voltage sensing.
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Physical Dimensions
2X
0.05 C
1.45
B
2X
(1)
0.05 C
(0.49)
5X
(0.254)
1.00
(0.75)
(0.52)
1X
TOP VIEW
A
PIN 1 IDENTIFIER
5
0.50±0.05
(0.30)
6X
PIN 1
0.05
0.00
RECOMMENED
LAND PATTERN
0.05 C
0.35±0.05
C
1.45±0.05
1.0
6X
0.20±0.05
DETAIL A
0.10
0.05
C B A
C
0.30±0.05 5X
1.00±0.05
0.40±0.05
DETAIL A
5X
0.35±0.05
0.075 X 45
CHAMFER
PIN 1 TERMINAL
0.5
(0.050)
6X
(0.125)
4X
BOTTOM VIEW
NOTES:
1. CONFORMS TO JEDEC STANDARD MO-252 VARIATION UAAD
2. DIMENSIONS ARE IN MILLIMETERS
3. DRAWING CONFORMS TO ASME Y14.5M-2009
4. LANDPATTERN RECOMMENDATION PER FSC
5. PIN ONE IDENTIFIER IS 2X LENGTH OF ANY
OTHER LINE IN THE MARK CODE LAYOUT.
6. FILENAME AND REVISION: MAC06AREV6
Figure 15. 6-Lead MicroPak™ Molded Leadless Package (MLP)
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