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.

FEATUREs
• USB/AC Adapter System Power Charger
    — USB: Programmable up to 1.0A
    — Adapter: Programmable up to 1.0A
• 4.0V to 5.5V Input Voltage Range
• Adapter Presence Automatically Disables USB Charging
• High Level of Integration With Internal:
    — Charging Devices
    — Reverse Blocking Diodes
    — Current Sensing
• Automatic Recharge Sequencing
• Digital Thermal Regulation in ADP Charge
• Charge Reduction Loop in USB Charge
• Battery Temperature Monitoring
• Full Battery Charge Auto Turn-Off
• Over-Current Protection
• Over-Voltage Protection
• Emergency Thermal Protection
• Power On Reset and Soft Start
• Serial Interface Status Reporting
• 12-Pin 3x3mm TDFN Package

APPLICATIONs
• Cellular Telephones
• Digital Still Cameras
• Hand-Held PCs
• MP3 Players
• Personal Data Assistants (PDAs)
• Other Lithium-Ion/Polymer Battery-Powered Devices