S-8204AAB-TCT1Y Datasheet, PDF (21/34 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC

Rev.3.5_00
BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK
S-8204A Series
3. Charge overcurrent detection
V_CUn
V_CLn
Battery voltage
V_DUn
V_DLn
(n = 1 to 4)
V_HC
V_HD
V_DD
DOP pin voltage
V_SS
V_EB+
COP pin voltage ^High-Z
V_SS
V_EB+
V_DD
VMP pin voltage
V_SS
High-Z
High-Z
VINI pin voltageV^DD
V_DIOV1
V_SS
V_CIOV
Charger connection
Charge overcurrent detection delay time (t_CIOV)
Charge overcurrent detection delay time (t_CIOV)
Status^*1
(4) (3) (1)
(2)
*1. (1): Normal status
(2): Charge overcurrent status
(3): Overdischarge status
(4): Power-down status
(1)
(2)
(1)
Remark The charger is assumed to charge with a constant current. V_EB+ indicates the open voltage of the
charger.
Figure 11
21