S-8232 Seiko, S-8232 Datasheet - Page 15

• Manufacturer Part Number: S-8232
• Description: BATTERY PROTECTION IC
• Manufacturer: Seiko

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Rev.5.4
1. Overcharge Detection
Timing Charts
*1. <1> Normal mode
Remark The charger is assumed to charge with a constant current.
Battery
voltage
DO pin
voltage
CO pin
voltage
VM pin
voltage
Charger connection
Load connection
_00
Mode
<2> Over charge mode
<3> Over discharge mode
<4> Over current mode
V
V
V
CUaux
EB−
EB−
V
V
V
V
V
V
V
V
V
V
IOV2
IOV1
V
CU
CD
DU
DD
CC
CC
CC
SS
SS
SS
SS
*1
<1>
Delay
<2>
V1 over voltage detect
V1 battery
BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
Seiko Instruments Inc.
<1>
Delay
Figure 5
<2>
V2 over voltage detect
V2 battery
<1>
Delay time = 0
<2>
V1 auxiliary over
voltage detect
<1>
Delay time = 0
S-8232 Series
<2>
V2 auxiliary over
voltage detect
<1>
15