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S-8211D Datasheet, PDF (19/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 1-CELL PACK | |||
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Rev.4.5_00
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
 Timing Chart
(1) Overcharge Detection, Overdischarge Detection
VCU
VCL (VCU â VHC)
Battery voltage
VDU (VDL + VHD)
VDL
VDD
DO pin voltage
CO pin voltage
VSS
VDD
VSS
VEBâ
VM pin voltage
VDD
VDIOV
VSS
VEBâ
Charger connection
Load connection
Overcharge detection delay time (tCU)
Overdischarge detection delay time (tDL)
(1)
(2)
Mode*1
(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.
19
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