S-8252AAA-M6T1U Datasheet, PDF (20/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC

BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
S-8252 Series
3. Charge overcurrent detection
VCUn
V_CLn (V_CUn − V_HCn)
Battery voltage
V_Dun (V_DLn + V_HDn)
V_DLn
Rev.3.2_00
V_DD
DO pin voltage
V_SS
V_DD
CO pin voltage
V_SS
V_EB−
V_DD
VM pin voltage
V_C^V_IOSSV
VEB_−
Charger connection
Load connection
Status^*1
Charge overcurrent detection
delay time (t_CIOV)
(1)
(2)
Overdischarge detection
delay time(t_DL)
Charge overcurrent detection
delay time (t_CIOV)
(1)
(3)
(1)
(2)
*1. (1): Normal status
(2): Charge overcurrent status
(3): Overdischarge status
Remark The charger is assumed to charge with a constant current.
Figure 13
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