S-8233BBFT SII [Seiko Instruments Inc], S-8233BBFT Datasheet - Page 16

• Manufacturer Part Number: S-8233BBFT
• Description: BATTERY PROTECTION IC (FOR A 3-SERIAL-CELL PACK)
• Manufacturer: SII [Seiko Instruments Inc]

16
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233B Series
Timing Charts
1. Over charge detection
2. Over discharge detection
*1.
Remark The charger is assumed to charge with a constant current. V
DOP
terminal
VMP
terminal
*1.
Remark The charger is assumed to charge with a constant current. V
DOP
terminal
COP
terminal
Battery
voltage
COP
terminal
VMP
terminal
Battery
voltage
Normal mode,
Normal mode,
Charger
connected
Load
connected
Mode
Charger
connected
Load
connected
Mode
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
CHA
CC
IOV1
SS
CC
SS
SS
CU
CD
DU
DD
SS
CHA
CC
IOV1
SS
CU
CD
DU
DD
CC
SS
*1
*1
Over charge mode,
Over charge mode,
Delay
Delay
V1 battery
Hi-z
V1 battery
Over discharge mode,
Over discharge mode,
Delay
Seiko Instruments Inc.
Figure 6
Delay
Figure 7
Hi-z
Over current mode
Over current mode
CHA
Delay
CHA
indicates the open voltage of the charger.
V2 battery
indicates the open voltage of the charger.
V2 battery
Delay
Delay
Hi-z
Hi-z
V3 battery
Delay
Delay
V3 battery
Delay
Rev.4.2
Hi-z
&
_00