S-8211DAB-I6T1G Ver la hoja de datos (PDF) - Seiko Instruments Inc

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S-8211DAB-I6T1G

BATTERY PROTECTION IC FOR 1-CELL PACK

Seiko Instruments Inc 

Rev.4.5_00

(3) Charger Detection

VCU

VCL (VCU − 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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