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MM1293G

Protection of Lithium Ion Batteries (three cells in series)

Mitsumi 

MITSUMI

Timing Chart

Overcharge

Cell voltage

Protection of Lithium Ion Batteries (three cells in series) MM1293

Charging off

Overcharge detection voltage

Overcharge detection cancel voltage

COV pin

Pin OV

(pulled up)

tOV

Sensing dead zone

Overdischarge

Cell voltage

Overcharge state Normal state

Discharge off

Discharge resume voltage

Overdischarge detection voltage

CDC pin

DCHG pin

Pin PF

(pulled up)

tCDC1

Sensing dead zone

tCDC2

Reset dead zone

Overdischarge state Normal state

Overcurrent

CS pin

Current passed Load released

from pin CS

COL pin

tCOL

Sensing dead zone

tCOL

Reset dead zone

DCHG pin

Normal state

Overcurrent state Normal state

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