FAN4010 Fairchild Semiconductor, FAN4010 Datasheet

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FAN4010

Manufacturer Part Number
FAN4010
Description
The FAN4010 is a high-side current sense amplifier designed for battery-powered systems
Manufacturer
Fairchild Semiconductor
Datasheet

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© 2007 Fairchild Semiconductor Corporation
FAN4010 Rev. 1.0.5
FAN4010
High-Side Current Sensor
Features at +5V
Applications
Functional Block Diagram and Typical Circuit
Ordering Information
Moisture sensitivity level for all parts is MSL-1.
MicroPak™ is a trademark of Fairchild Semiconductor Corporation.
Low cost, accurate, high-side current sensing
Output voltage scaling
Up to 2.5V sense voltage
2V to 6V supply range
2μA typical offset current
3.5μA quiescent current
-0.2% accuracy
6-lead MicroPak™ MLP package
Battery chargers
Smart battery packs
DC motor control
Over-current monitor
Power management
Programmable current source
All packages are lead free per JEDEC: J-STD-020B standard.
FAN4010IL6X_F113
V
Part Number
IN
100
I
OUT
Figure 1. Functional Block Diagram and Typical Circuit
MicroPak™ MLP-6
Load
Package
Operating Temperature Range
V
OUT
Description
The FAN4010 is a high-side current sense amplifi er
designed for battery-powered systems. Using the
FAN4010 for high-side power-line monitoring does not
interfere with the battery charger’s ground path. The
FAN4010 is designed for portable PCs, cellular phones,
and other portable systems where battery/DC power-line
monitoring is critical.
To provide a high level of fl exibility, the FAN4010 functions
with 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 with a single
resistor, accommodating a wide range of battery voltages
and currents. The FAN4010 features allow it to be used
for gas gauging as well as uni-directional or bi-directional
current monitoring.
-40°C to +85°C
R
OUT
1
2
3
V
NC
I
OUT
IN
R
sense
Load
GND
NC
5
6
4
Packaging Method
Reel
www.fairchildsemi.com
February 2008
R
Load

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FAN4010 Summary of contents

Page 1

... FAN4010 is designed for portable PCs, cellular phones, and other portable systems where battery/DC power-line monitoring is critical. To provide a high level of fl exibility, the FAN4010 functions with 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 with a single resistor, accommodating a wide range of battery voltages and currents ...

Page 2

... Pin Confi gurations Pin Assignments Pin # © 2007 Fairchild Semiconductor Corporation FAN4010 Rev. 1.0.5 MicroPak™ MLP V 6 Load GND 2 I OUT Figure 2. MicroPak™ MLP (Top View) Name NC No Connect; leave pin fl oating ...

Page 3

... Symbol T Operating Temperature Range A V Supply Voltage Range S V Input Voltage Range IN V Sensor Voltage Range, V SENSE © 2007 Fairchild Semiconductor Corporation FAN4010 Rev. 1.0.5 Parameter Parameter (1) ), JEDEC standard, multi-layer test boards, still air. JA ESD Standard Parameter = 0Ω SENSE IN Load; ...

Page 4

... CY Transconductance G m Notes: 1. 100% tested at 25˚C. 2. -40dBm = 6.3mV pp into 50Ω. 3. -20dBm = 63mV pp into 50Ω. 4. Includes input offset voltage contribution. © 2007 Fairchild Semiconductor Corporation FAN4010 Rev. 1.0.5 = 100Ω 100Ω, unless otherwise noted. SENSE Conditions P = -40dBm , ( 10mV SENSE P = -20dBm ...

Page 5

... R = 0Ω OUT Figure 7. Transfer Characteristics © 2007 Fairchild Semiconductor Corporation FAN4010 Rev. 1.0.5 = 100Ω 100Ω, unless otherwise noted. SENSE R = 100Ω OUT -100 -150 1 (V) Figure 4. Output Current Error vs SENSE ...

Page 6

... Frequency (MHz) Figure 9. CMRR vs. Frequency 6 5 100Ω OUT 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 V SENSE Figure 11. Supply Current vs. V © 2007 Fairchild Semiconductor Corporation FAN4010 Rev. 1.0.5 (Continued) = 100Ω 100Ω, unless otherwise noted. SENSE 2.5 2.0 1.5 1.0 0.5 -0.5 -1 1mV SENSE -1.5 -2.0 -2.5 0 (V) SENSE 200mV SENSE R = 0Ω ...

Page 7

... R can be chosen to obtain the output voltage ran- OUT ge required for the particular downstream application. For example, if the output of the FAN4010 is intended to drive an analog-to-digital convertor (ADC), R 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 1Ω ...

Page 8

... Package specifi cations do not expand the terms of Fairchild’s worldwide terms and conditions, specifi cally the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ © 2007 Fairchild Semiconductor Corporation FAN4010 Rev. 1.0 ...

Page 9

... Fairchild Semiconductor Corporation FAN4010 Rev. 1.0.5 9 www.fairchildsemi.com ...

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