DESCRIPTION
The LX2202 Linear Battery Charger is a multi-state (2 stage) Li-Ion battery charger (Constant current / Constant voltage) that is designed to minimize battery charge time (even from current limited sources such as USB) and provide a simplified interface to control battery discharge.

KEY FEATURES
◾ Up to 2A Charge Current
◾ Internal Pass Element Can Function as a Reverse Direction Load Switch
◾ USB Compliant Charging States using optional USB input
◾ Isolated Battery Topology
◾ Low RdsON in Discharge Mode
◾ Full Capacity Charging
◾ True Charge Indicator
◾ Wall Supply Regulator Tolerance 5V + 10%
◾ Topping Charge with Voltage Monitoring Mode
◾ Improved charge/discharge mode detection circuitry
◾ Small, High Power 20-lead MLP package
◾ Selectable Li-Ion Battery for 4.1V or 4.2V Applications

APPLICATIONS
◾ Batteries up to 4AH Ratings (C/2)
◾ Cell Phones
◾ PDAs
◾ Charging Cradles
◾ Digital Cameras
◾ Low Cost Single Li-Ion Cell Chargers