MM1291 查看數據表（PDF） - Mitsumi

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MM1291

Protection of Lithium Ion Batteries (one cell)

Mitsumi 

MITSUMI

Protection of Lithium Ion Batteries (one cell) MM1291

Features

1. Current consumption (during overcharging)

2. Current consumption (normal)

3. Current consumption (during excess discharge)

4. Consumption current (during excess discharge)

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

VCC=4.5V

VCC=3.5V

VCC=1.9V

VCC=1.0V

6. Overcharge detection hysteresis

7. Overcharge non-induction time

8. Excess discharge voltage 1

9. Excess discharge voltage 2

10.Excess discharge reset voltage

11.Excess discharge during non-induction

12.Overcurrent detection voltage

CTD=0.082µF

VCS=0V

VCS=0.05V

13.Reset after overcurrent detection

14.Overcurrent detection non-induction time

VCC pin 40µA typ.

VCC pin 7µA typ.

0.7µA typ.

0.17µA max.

A 4.35V±50mV

B 4.25V±50mV

C 4.10V±50mV

A 200mV typ.

B 200mV typ.

C 27mV typ.

1S typ.

2.6V±0.1V

2.4V±0.1V

2.9V±0.12V

10mS typ.

A 100mV±10mV

B 100mV±10mV

C 150mV±15mV

load release

10mS typ.

VIN pin 3µA typ.

VIN pin 2µA typ.

Package

SOP-8C, SOP-8D (MM1291 F)

VSOP-8A (MM1291 W)

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

Applications

1. Cellular phones

2. PHS

3. MD

4. others

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