MM1639 - Lithium-Ion Battery Charge Control

Product Overview

MITSUMI

Part number	MM1639
Manufacturer	MITSUMI
File Size	104.18 KB
Description	Lithium-Ion Battery Charge Control
Datasheet	MM1639 Datasheet
Additional preview pages of the MM1639 datasheet.

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. 8. Fast-charge current setting Rsense=0.22V/IqCHG Example: For 0.70A, 0.22V/0.70A=0.31Ω (Rsence) Precharge current 0.026V/Rsence=0.02.

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Published: May 20, 2017 |