DESCRIPTION

The LX2201 Linear Battery Charger is a multi-state (2 stage) Li-Ion battery charger (Constant current / Constant voltage) that can supply up to 2A of charging current into a single cell Li-Ion battery.

LX2201 is a cost effective , high performance USB battery charger. The LX2201 features a 2A high charge current, with automatic power savings using isolated battery topology, user programmability in USB charging, and an extended battery life with low RdsON in discharge.

KEY FEATURES

◾ 2A Charge Current

◾ USB Compliant Charging States

◾ Low RdsON in Discharge Mode

◾ Power Saving and Conditional Mode for Deep Discharge

◾ Selectable Li-Ion Battery for 4.1V or 4.2V Applications

◾ Internal Pass Element Can Function as a Reverse Direction Load Switch

◾ No Sense Resistor Required

◾ Full Capacity Charging

◾ True Charge Indicator

◾ Wall Supply Regulator Tolerance 5V + 10

◾ Built In MOSFET Driver For Easy AC Adapter/USB Implementation

◾ Topping Charge with Voltage Monitoring Mode

◾ Inherent Load Disconnect

◾ Small, High Power 20-lead MLP package

APPLICATIONS

◾ Batteries with 350mAH to 2AH Ratings

◾ Cell Phones

◾ PDAs

◾ Charging Cradles

◾ Digital Cameras

◾ Low Cost Single Li-Ion Cell Chargers