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| S-8211D Datasheet, PDF (21/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-CELL PACK | |||
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Rev.4.5_00
(3) Charger Detection
VCU
VCL (VCU â VHC)
Battery voltage
VDU (VDL + VHD)
VDL
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
VDD
DO pin voltage
VSS
VDD
CO pin voltage
VSS
VDD
VM pin voltage
VSS
VCHA
Charger connection
Load connection
Mode*1
Overdischarge detection
delay time (tDL)
(1)
In case VM pin voltage < VCHA
Overdischarge is released at the
overdischarge detection voltage (VDL)
(2)
(1)
*1. (1) : Normal mode
(2) : Overdischarge mode
Remark The charger is assumed to charge with a constant current.
Figure 13
Seiko Instruments Inc.
21
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