S-8211D Datasheet, PDF (22/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-CELL PACK

BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
(4) Detection for irregular charging current
VCU
V_CL (V_CU − V_HC)
Battery voltage
V_DU (V_DL + V_HD)
V_DL
Rev.4.5_00
V_DD
DO pin voltage
V_SS
V_DD
CO pin voltage
V_SS
V_DD
VM pin voltage
V_SS
V_CHA
Charger connection
Load connection
Mode^*1
Overdischarge detection
delay time (t_DL)
Abnormal charging current detection delay time
( = Overcharge detection delay time (t_CU))
(1)
(2)
(1)
(3)
(1)
*1. (1) : Normal mode
(2) : Overdischarge mode
(3) : Overcharge mode
Remark The charger is assumed to charge with a constant current.
Figure 14
22
Seiko Instruments Inc.