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MM1639 Datasheet - MITSUMI

MM1639-MITSUMI.pdf

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Datasheet Details

Part number:

MM1639

Manufacturer:

MITSUMI

File Size:

104.18 KB

Description:

Lithium-ion battery charge control.

MM1639 - Lithium-Ion Battery Charge Control

MITSUMI Lithium-Ion Battery Charge Control (with timers) MM1639 Lithium-Ion Battery Charge Control (with timers) Monolithic IC MM1639 Outline This is a lithium-ion battery charge control IC.

It incorporates constant-voltage and constant-current circuits for easy implementation of lithium-ion battery charge.

It includes functions to disable charging to overdischarged batteries, disable charging due to abnormal temperature, etc., and timer functions.

It is also equipped with a 2-channel LED dri

MM1639 Features

* 1. Operating supply voltage 2.7~5.9V 2. Operating ambient temperature -20~70ºC 3. Current consumption 5.0mA typ. 4. Low voltage detection voltage 2.0V typ. 5. BAT pin output voltage 4.20±0.03V (Ta=0~50ºC) 6. Recharge detection voltage 3.90V typ. 7. Precharge detection voltage 2.90V typ

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