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S8211C Datasheet, PDF (25/43 Pages) Seiko Instruments Inc – High-accuracy voltage detection circuit | |||
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Rev.7.7_00
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211C Series
ï® Timing Charts
1. Overcharge detection, overdischarge detection
VCU
VCL (VCU â VHC)
Battery voltage
VDU (VDL + VHD)
VDL
VDD
DO pin voltage
VSS
CO pin voltage
VDD
VSS
VEBâ
VM pin voltage
VDD
VDIOV
VVVSCESIBOâV
Charger connection
Load connection
Overcharge detection delay time (tCU) Overdischarge detection delay time (tDL)
(1)
(2)
Status*1
(1)
(3)
(1)
*1. (1): Normal status
(2): Overcharge status
(3): Overdischarge status
Remark The charger is assumed to charge with a constant current.
Figure 11
Seiko Instruments Inc.
25
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