BQ24020DRCRG4 Datasheet PDF - TI

DESCRIPTION

●The bqTINY-II series are highly-integrated, flexible Li-Ion linear charge and system power management devices for space-limited charger applications. In a single monolithic device, the bqTINY-II offers integrated USB-port and ac-adapter supply management with autonomous power-source selection, power-FET and current-sensor interfaces, high-accuracy current and voltage regulation, charge status, and charge termination.

●FEATURES

●• Small 3 mm x 3 mm MLP Package

●• Charges and powers Systems from Either AC Adapter or USB With Autonomous power-Source Selection

●• Integrated USB Control With Selectable 100 mA and 500 mA Charge Rates

●• Ideal for Low-Dropout Charger Designs for Single-Cell Li-Ion or Li-pol Packs in Space Limited portable applications

●• Integrated power FET and Current Sensor for Up to 1-A Charge applications From AC Adapter

●• Precharge Conditioning With Safety Timer

●• power Good (AC Adapter Present) Status Output

●• Optional Battery Temperature Monitoring Before and During Charge

●• Automatic Sleep Mode for Low-power Consumption

●APPLICATIONS

●• PDAs, MP3 Players

●• Digital Cameras

●• Internet appliances

●• Smartphones