S-8241ADAMC-GDAT2G View Datasheet(PDF) - Seiko Instruments Inc

Part Name

Description

Manufacturer

S-8241ADAMC-GDAT2G

BATTERY PROTECTION IC FOR 1-CELL PACK

Seiko Instruments Inc 

BATTERY PROTECTION IC FOR 1-CELL PACK

S-8241 Series

Rev.7.6_00

(3) Overcurrent detection

VCU

VCL

Battery

voltage VDU

VDL

VDD

DO pin

VSS

VDD

CO pin

VSS

VM pin

VDD

VSHORT

VIOV2

VIOV1

VSS

Charger connection

Load connection

Overcurrent 1 detection delay time (tIOV1) Overcurrent 2 detection delay time (tIOV2) Load short-circuiting detection delay time (t ) SHORT

Mode

(1) (4)

(1)

(4)

(1)

(4)

(1)

Note: (1) Normal mode, (2) Overcharge mode, (3) Overdischarge mode, (4) Overcurrent mode

The charger is assumed to charge with constant current.

(4) Charger detection

VCU

Battery VCL

voltage VDU

VDL

Figure 9

DO pin VDD

VSS

CO pin VDD

VSS

VDD

VM pin

VSS

VCHA

Charger connection

Load connection

Mode

Overdischarge detection delay time (tDL)

If VM pin voltage < VCHA

Overdischarge is released at

overdischarge detection voltage (VDL)

(1)

(3)

(1)

Note: (1) Normal mode, (2) Overcharge mode, (3) Overdischarge mode, (4) Overcurrent mode

The charger is assumed to charge with constant current.

Figure 10

24

Seiko Instruments Inc.

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