S-8232 Datasheet, PDF (17/27 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK

Rev.5.4_00
BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
S-8232 Series
3. Overcurrent Detection
VCU
Battery ^VCD
voltage
VDU
VDD
VCC
DO pin
voltage
VSS
CO pin
voltage
VCC
VSS
EB−
VCC
VM pin
voltage
VIOV1
VSS
EB−
Charger connection
Load connection
VIOV2
delay = tIOV1
Mode ^*1
<1>
*1. <1> Normal mode
<2> Over charge mode
<3> Over discharge mode
<4> Over current mode
V1 = V2 battery
delay = tIOV2
<4>
<1>
<4>
Remark The charger is assumed to charge with a constant current.
Figure 7
< tIOV1
<1>
Seiko Instruments Inc.
17