S-8261ABJMD-G3J-T2 Ver la hoja de datos (PDF) - Seiko Instruments Inc

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S-8261ABJMD-G3J-T2

BATTERY PROTECTION IC FOR SINGLE-CELL PACK

Seiko Instruments Inc 

BATTERY PROTECTION IC FOR SINGLE-CELL PACK

S-8261 Series

Rev.1.9_00

„ Operation Timing Chart

1. Overcharge and Overdischarge Detection

Battery

voltage

VCU

VCU–VHC

VDL+VHD

VDL

VDD

DO pin

VSS

VDD

CO pin

VSS

VM pin

VDD

VIOV1

VSS

VCHA

Charger connection

Load connection

Overcharge detection delay time (tCU)

Overdischarge detection delay time (tDL)

Mode

(1)

(2)

(1)

(3)

(1)

Remark (1) Normal condition, (2) Overcharge condition, (3) Overdischarge condition, (4) Overcurrent condition

The charger is supposed to charge with constant current.

Figure 7

2. Overcurrent Detection

Battery

voltage

VCU

VCU−VHC

VDL+VHD

VDL

VDD

DO pin

CO pin

VSS

VDD

VSS

VM pin

VDD

VSHORT

VIOV2

VIOV1

VSS

Charger connection

Load connection

Overcurrent 1 detection delay time (tIOV1) Overcurrent 2 detection delay time (tIOV2)

Mode

(1)

(4)

(1)

(4)

(1)

Load short-circuiting detection delay time (tSHORT)

(4)

(1)

Remark (1) Normal condition, (2) Overcharge condition, (3) Overdischarge condition, (4) Overcurrent condition

The charger is supposed to charge with constant current.

Figure 8

22

Seiko Instruments Inc.

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