BQ24022DRCRG4

单芯片，锂离子电池和具有自主的USB -PORT锂聚合物充电器IC和AC适配器供应管理学会（ bqTINY - II ） SINGLE-CHIP, LI-ION AND LI-POL CHARGER IC WITH AUTONOMOUS USB-PORT AND AC-ADAPTER SUPPLY MANAGEMENT bqTINY-II

DESCRIPON

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