DESCRIPTION
The LTC®4095 is a complete constant-current/constant-voltage linear charger for single-cell lithium-ion/polymer batteries. Its small 2mm × 2mm DFN package and low external component count make the LTC4095 especially well-suited for portable USB power applications.

FEATURES
■ Full-Featured Standalone USB Li-Ion/Polymer Battery Charger
■ 100mA to 950mA Programmable Charge Current
■ C/10 Charge Current Detection Output
■ Internal Safety Timer Termination
■ NTC Thermistor Input for Temperature Qualifi ed Charging
■ Preset 4.2V Float Voltage with 0.5% Accuracy
■ Constant-Current/Constant-Voltage Operation with Thermal Feedback
■ Charge Current Monitor Output for Gas Gauging
■ Automatic Recharge
■ Bad-Battery Detection
■ 8.5µA Input Supply Current in Suspend Mode
■ Tiny 8-Lead (2mm × 2mm) DFN Package

APPLICATIONS
■ PDAs
■ Media Players
■ Cellular Phones
■ Other Portable Electronics