BQ27532-G1 Datasheet, PDF (28/35 Pages) Texas Instruments – Battery Management Unit Impedance Track Fuel Gauge

bq27532-G1
SLUSBU6B – SEPTEMBER 2014 – REVISED JANUARY 2016
10.2 Layout Example
BATTERY PACK
CONNECTOR
PACK+
Use copper
pours for battery
power path to
minimize IR
losses
Kelvin connect the
BAT sense line right
at positive terminal to
battery pack
THERM
BI/TOUT
TS
BSDA
SDA
BSCL
SCL
C1
C2
C3
PACK –
10 mΩ 1%
Via connects to Power Ground
Kelvin connect SRP
and SRN
connections right at
Rsense terminals
Figure 17. bq27532-G1 Layout Schematic
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Battery power
connection to
system
SCL
SDA
BSDA
BSCL
To system host
processor
To charger slave
INT
Ground return to
system
28
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