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AAT3690

Part Number	AAT3690
Manufacturer	AAT
Description	1.0A USB Port/Adapter Lithium-Ion/Polymer Battery Charger
Published	Apr 30, 2007
Detailed Description	1.0A USB Port/Adapter Lithium-Ion/Polymer Battery Charger General Description The AAT3690 BatteryManager is a highly int...
Datasheet	AAT3690 PDF File

Overview

1.
0A USB Port/Adapter Lithium-Ion/Polymer Battery Charger General Description The AAT3690 BatteryManager is a highly integrated single-cell lithium-ion/polymer battery charger IC designed to operate with USB port and AC adapter inputs.
It requires the minimum number of external components.
The AAT3690 precisely regulates battery charge voltage and current for 4.
2V lithium-ion/polymer battery cells.
Adapter charge current rates can be programmed up to 1.
0A.
In the absence of an adapter and with a USB port connected, the battery can also be charged by USB power.
The USB charge current can be programmed up to 1A.
A Charge Reduction Loop is also built in to allow users to charge the battery with...

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