S-8233A Seiko Instruments, S-8233A Datasheet - Page 17

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

Rev.3.2
Timing Chart
1. Overcharge detection
2. Overdischarge detection
DOP
terminal
COP
terminal
VMP
terminal
Battery
voltage
_10
DOP
terminal
Battery
voltage
COP
terminal
VMP
terminal
*1.
Remark The charger is assumed to charge with a constant current. V
Charger
connected
Mode
Load
connected
V
V
V
V
V
V
V
V
V
V
V
CU
CD
DU
DD
CC
SS
CHA
CC
IOV1
SS
Charger
connected
Load
connected
Mode
SS
*1.
Remark The charger is assumed to charge with a constant current. V
*1
Normal mode,
V
V
V
V
V
V
V
V
V
V
V
CHA
CC
IOV1
SS
SS
CU
CD
DU
DD
CC
SS
*1
Normal mode,
Delay
Over charge mode,
Delay
V1 battery
Hi-z
Over charge mode,
V1 battery
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
Over discharge mode,
Delay
Seiko Instruments Inc.
Over discharge mode,
Delay
Figure 6
Hi-z
Figure 7
Over current mode
V2 battery
Delay
CHA
indicates the open voltage of the charger.
V2 battery
Over current mode
CHA
indicates the open voltage of the charger.
Delay
Hi-z
Delay
V3 battery
Hi-z
Delay
Delay
V3 battery
Delay
S-8233A Series
Hi-z
&
17