MM1291AF datasheet(4/7 Pages) MITSUMI

Part #	MM1291AF

Description	Protection of Lithium Ion Batteries (one cell)

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Manufacturer	MITSUMI [Mitsumi Electronics, Corp.]

Direct Link	https://www.mitsumi.co.jp/index_e.html

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MITSUMI

Protection of Lithium Ion Batteries (one cell) MM1291

Block Diagram

Timing Chart

VS indicates average values.

VALML is low due to the effect of R1 linked to the VIN pin.

*1

A : 4.150V

*2

A : 4.350V

*3

A : 0.10V

B : 4.050V

B : 4.250V

B : 0.10V

C : 4.073V

C : 4.100V

C : 0.15V

*

1

unsettled

Excess

discharge

Excess

Charge

Excess

discharge

Normal

Charge

Normal

Overcurrent protection

Normal

Excess

discharge

Excess discharge

Load release

TOD

TOC1

TOC2

TOO

TALM

0V

VALM

VALML

VDF

VS1

0V

1.0V

VCS

VST

0V

VIN

(VCC)

CS

GD

TD

OC

*1 C only

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MM1291AF Datasheet(PDF) 4 Page - Mitsumi Electronics, Corp.

MM1291AF Datasheet(HTML) 4 Page - Mitsumi Electronics, Corp.

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