S-8250AAB-I6T1U Datasheet, PDF (21/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC

Rev.1.3_02
BATTERY PROTECTION IC WITH DISCHARGE CONTROL FUNCTION FOR 1-CELL PACK
S-8250A Series
2. 2 Release condition of discharge overcurrent status "charger connection"
V_CU
V_CL (V_CU − V_HC)
Battery voltage
V_DU (V_DL + V_HD)
V_DL
V_DD
DO pin voltage
V_SS
V_DD
CO pin voltage
V_SS
V_DD
VM pin voltage
V_SHORT
V_DIOV
V_SS
V_CIOV
V_EB−
Charger connection
Load connection
Discharge overcurrent
detection delay time (t_DIOV)
Load short-circuiting
detection delay time (t_SHORT)
(1)
(2)
(1)
Status^*1
*1. (1): Normal status
(2): Discharge overcurrent status
(2)
(1)
Remark The charger is assumed to charge with a constant current.
Figure 12
21