The AAT2556 is a member of AnalogicTech’s Total PowerManagement IC™ (TPMIC™) product family. It is a fullyintegrated 500mA battery charger plus a 250mA stepdownconverter. The input voltage range is 4V to 6.5V forthe battery charger and 2.7V to 5.5V for the step-downconverter, making it ideal for single-cell lithium-ion/polymerbattery-powered applicaTIons.