bq25017 - Texas Instruments

bq25017 SINGLE-CHIP CHARGER AND DC/DC CONVERTER

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-.

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 300 mA 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 Player.