S-8233B Seiko Instruments, S-8233B Datasheet - Page 15

• Manufacturer Part Number: S-8233B
• Description: Battery Protection IC for 3-Serial Cell Pack
• Manufacturer: Seiko Instruments

Rev.4.0
Operation 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. Normal mode,
Remark The charger is assumed to charge with a constant current. V
DOP
terminal
COP
terminal
Battery
voltage
COP
terminal
VMP
terminal
Battery
voltage
_00
Normal mode, Over charge mode, Over discharge mode, Over current 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
SS
CU
CD
DU
DD
CC
SS
CHA
CC
IOV1
SS
SS
CU
CD
DU
DD
CC
SS
*1
*1
Over charge mode,
Delay
Delay
V1 battery
Hi-z
V1 battery
Over discharge mode,
Delay
BATTERY PROTECTION IC FOR 3-SERIAl-CELL PACK
Seiko Instruments Inc.
Delay
Figure 5
Figure 6
Hi-z
Over current mode
Delay
CHA
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
S-8233B Series
Delay
Hi-z
&
15