S-8225AAA-TCT1U Datasheet, PDF (13/26 Pages) Seiko Instruments Inc – BATTERY MONITORING IC

Rev.1.7_02
BATTERY MONITORING IC FOR 3-SERIAL TO 5-SERIAL CELL PACK
S-8225A Series
 Timing Charts
1. Overcharge detection and overdischarge detection
V_CUn
V_CLn
Battery voltage
V_DUn
V_DLn
(n = 1 to 5)
V_COH
CO pin voltage
V_SS
V_DOH
DO pin voltage
V_SS
Charger connection
Load connection
Status^*1
Overcharge detection delay time (t_CU)
(1)
(2)
*1. (1): Normal status
(2): Overcharge status
(3): Overdischarge status
Overdischarge detection delay time (t_DL)
(1)
(3)
(1)
Figure 11
13