BQ25017RHLR

单芯片充电器和DC / DC转换器IC为便携式应用 SINGLE-CHIP CHARGER AND DC/DC CONVERTER IC FOR PORTABLE APPLICATIONS

DESCRIPON

The bq25015/7 are highly integrated charge and power management devices targeted at space-limited bluetooth applications. The bq25015/7 devices offer integrated power FET and current sensor for charge control, reverse blocking protection, high accuracy current and voltage regulation, charge status, charge termination, and a highly efficient and low-power dc-dc converter in a small package.

FEATURES

• Li-Ion Or Li-Pol Charge Management and Synchronous DC-DC Power Conversion In a Single Chip

• Charges and Powers the System from Either the AC Adapter or USB with Autonomous Power Source Selection

• Integrated USB Charge Control with Selectable 100 mA and 500 mA Charge Rates

• Integrated Power FET and Current Sensor for Up to 500 mA Charge Applications AND 300mA DC-DC Controller with Integrated FETs

• Reverse Leakage Protection Prevents Battery Drainage

• Automatic Power Save Mode For High Efficiency at Low Current, or Forced PWM for Frequency Sensitive Applications

APPLICATIONS

• MP3 Players

• PDAs, Smartphones

• Digital Cameras