AAT3681AIJS-4.2-1-T1

500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger

General Description

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.

Features

• USB or AC Adapter System Power Charger

— Programmable from 15mA to 500mA

• 4.0V ~ 7.5V 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 <1µA

• Automatic Trickle Charge for Battery Pre Conditioning AAT3681A-1 is No Trickle Charge Option

• Over-Voltage and Emergency Thermal Protection

• Power On Reset and Soft Start

• LED Status Pin

• 8-Pin 2.0x2.1mm SC70JW Package

Applications

• Bluetooth® Headsets

• DECT Headsets

• Digital Still Cameras

• MP3, Portable Music, and Portable Media Players

• Personal Data Assistants PDAs

• Wrist Watches

• Other Lithium-Ion/Polymer Battery-Powered Devices