MM1291AF datasheet(2/7 Pages) MITSUMI

2 / 7 page

MITSUMI

Protection of Lithium Ion Batteries (one cell) MM1291

Features

1. Current consumption (during overcharging)

VCC=4.5V

VCC pin 40µA typ.

VIN pin 3µA typ.

2. Current consumption (normal)

VCC=3.5V

VCC pin 7µA typ.

VIN pin 2µA typ.

3. Current consumption (during excess discharge)

VCC=1.9V

0.7µA typ.

4. Consumption current (during excess discharge)

VCC=1.0V

0.17µA max.

5. Overcharge detection voltage (Ta=-20°C~+70°C)

A 4.35V±50mV

B 4.25V±50mV

C 4.10V±50mV

6. Overcharge detection hysteresis

A 200mV typ.

B 200mV typ.

C 27mV typ.

7. Overcharge non-induction time

CTD=0.082µF

1S typ.

8. Excess discharge voltage 1

VCS=0V

2.6V±0.1V

9. Excess discharge voltage 2

VCS=0.05V

2.4V±0.1V

10.Excess discharge reset voltage

2.9V±0.12V

11.Excess discharge during non-induction

10mS typ.

12.Overcurrent detection voltage

A 100mV±10mV

B 100mV±10mV

C 150mV±15mV

13.Reset after overcurrent detection

load release

14.Overcurrent detection non-induction time

10mS typ.

Package

SOP-8C, SOP-8D (MM1291

VSOP-8A (MM1291

*The box represents the rank resulting from the combination of protection functions.

Applications

1. Cellular phones

2. PHS

3. MD

4. others

MM1291AF Datasheet(PDF) 2 Page - Mitsumi Electronics, Corp.

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