S-8211C Datasheet, PDF (23/41 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-CELL PACK

Rev.5.0_00
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211C Series
„ Timing Chart
(1) Overcharge Detection, Overdischarge Detection
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
CO pin voltage
V_DD
V_SS
V_EB−
VM pin voltage
V_DD
V_DIOV
VV_SCSIOV
V_EB−
Charger connection
Load connection
Overcharge detection delay time (t_CU)
(1)
(2)
Mode^*1
Overdischarge detection delay time (t_DL)
(1)
(3)
(1)
*1. (1) : Normal mode
(2) : Overcharge mode
(3) : Overdischarge mode
Remark The charger is assumed to charge with a constant current.
Figure 11
Seiko Instruments Inc.
23