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AAT3681A

Part Number	AAT3681A
Manufacturer	Advanced Analogic Technologies
Description	500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
Published	May 16, 2009
Detailed Description	AAT3681A 500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger General Description www.datasheet4u.com Featu...
Datasheet	AAT3681A PDF File

Overview

AAT3681A 500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger General Description www.
datasheet4u.
com Features • • • BatteryManager™ The AAT3681A BatteryManager is an integrated single cell lithium-ion/polymer battery charger IC, designed to operate from a DC power source or USB port up to an input voltage of 7.
5V.
It requires just one external component.
The AAT3681A precisely regulates battery charge voltage and current for 4.
2V (4.
375V option) lithiumion/polymer battery cells.
When charged from an AC adapter or USB port, the battery charging current can be set by an external resistor up to 500mA.
Battery charge state is continuously monitored for fault conditions.
In the ev...

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