BQ27741-G1_14 Datasheet, PDF (29/39 Pages) Texas Instruments – Single Cell Li-Ion Battery Fuel Gauge with Integrated Protection

bq27741-G1
www.ti.com
Reference Schematics
APPLICATION INFORMATION
SLUSBF2 – JULY 2013
R2 5 mΩ
0.1 µF C9 C10 0.1 µF
Q1
UPA2375T1P
R16
10
R1
10
C2
0.1 µF
C1
0.1 µF
C3
TB1
CELL+
1
2
CELL–
3
1 µF
C4
.47 µF
Ext Therm
RT1
10 k
R11
C7
R12
C5
0.1 µF _C6 0.1 µF
0.1 µF
U1
bq27741–G1
C1 _VPWR
C2 _BAT[RC3]
E1 _REG25
E2 _TS
B2 _RA0
D3 _RC2
D1 _VSS
SRN ^B1
SRP ^A1
PACKP ^B3
CHG ^A2
DSG ^A3
SDA ^C3
SCL ^E3
HDQ ^D2
R3
1k
R4
100
R7
100
R5
1k
R13
2k
C8
0.1 µF
C11
0.1 µF
R8
100
R10
100
D2
C12
0.1 µF
4
PACK+
3
I2C_SDA
2
I2C_CLK
1
PACK–
TB2
Figure 5. I²C Mode
Copyright © 2013, Texas Instruments Incorporated
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