
Analog Technology Inc
General Description
The AAT3686 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 Port/AC Adapter System Power Charger
— USB: Programmable to 500mA for USB Hi/Lo
— Adapter: Programmable to 1.5A Max
• 4.0V to 5.5V Input Voltage Range
• Adapter Present Indicator (ADPP# Pin)
• 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-Voltage and Emergency Thermal Protection
• Power On Reset and Soft Start
• Serial Interface Status Reporting
• TDFN34-16 or TDFN44-16 Package