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AAT3681 - USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger

Datasheet Summary

Description

The AAT3681 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 6.5V.

It requires just one external component.

Features

  • BatteryManager™ USB or AC Adapter System Power Charger.
  • Programmable from 15mA to 300mA 4.0V ~ 6.5V Input Voltage Range High Level of Integration with Internal:.
  • Charging Device.
  • Reverse Blocking Diode Automatic Current Sensing Automatic Recharge Sequencing Full Battery Charge Auto Turn Off/Sleep Mode/Charge Termination Shutdown Current.

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Datasheet preview – AAT3681

Datasheet Details

Part number AAT3681
Manufacturer AAT
File Size 378.25 KB
Description USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
Datasheet download datasheet AAT3681 Datasheet
Additional preview pages of the AAT3681 datasheet.

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Full PDF Text Transcription

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USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger General Description The AAT3681 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 6.5V. It requires just one external component. The AAT3681 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 300mA. Battery charge state is continuously monitored for fault conditions.
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