S-8233B Seiko Instruments, S-8233B Datasheet - Page 16

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

16
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233B Series
3.
Over current detection
VMP
terminal
Battery
voltage
DOP
terminal
COP
terminal
*1.
If the CTL logic is “reverse” ,it will be exchanged V
Charger
connected
Load
connected
Mode
Normal mode,
V
V
V
V
V
V
V
V
V
V
V
IOV2
IOV3
CC
IOV1
CU
CD
DU
DD
CC
SS
SS
*1
Delay t
IOV1
Over charge mode, Over discharge mode,
V1, V2, and V3 batteries
Hi-z
Seiko Instruments Inc.
Delay t
CC
IOV2
for V
Figure 7
SS
.
Hi-z
Delay
Over current mode
CTL terminal
V
Hi-z
t
SS
IOV3
V
CC
Inhibit charging and
discharging
CTL terminal
V
CC
V
Hi-z
SS
Rev.4.0
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