ISL9217 Intersil Corporation, ISL9217 Datasheet - Page 29

• Manufacturer Part Number: ISL9217
• Description: (ISL9216 / ISL9217) 8 to 12 Cell Li-Ion Battery Overcurrent Protection and Analog Front End Chip Set
• Manufacturer: Intersil Corporation

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Applications Circuits
The following application circuits are ideas to consider when developing a battery pack implementation. There are many more
ways that the pack can be designed.
MINIMIZE LENGTH
VSS2
MAXMIZE GAUGE
4.7µF
4.7µF
FIGURE 17. 12-CELL CASCADED APPLICATION CIRCUIT WITH INTEGRATED CHARGE/DISCHARGE
B-
29
VC7/VCC
CB7
VCELL6
CB6
VCELL5
CB5
VCELL4
CB4
VCELL3
CB3
VCELL2
CB2
VCELL1
CB1
V
AO
VC7/VCC
VCELL6
WKUPR
VCELL5
CB5
VCELL4
CB4
VCELL3
CB3
VCELL2
CB2
VCELL1
CB1
V
DSREF
SS
SS
ISL9216
ISL9217
SDAOHV
TEMP3V
SDAIHV
WKUP
SCLHV
SDAO
WKUP
HVI2C
TEMPI
VMON
SDAI
RGC
RGO
CFET
DFET
SCL
RGC
RGO
SDA
SCL
AO
ISL9216, ISL9217
1µF
16V
10M
24V
10M
A/D INPUT
RESET
SCL
SDA
INT
µC
V
GP
CC
I/O
I/O
SINGLE WIRE
INTERFACE
NEEDED DURING
DISCHARGE
RESISTORS
OPTIONAL
LEDs
3.6V
500
500
100
250k
1.2M
P+
P-
CHRG
November 2, 2007
FN6488.1