Datasheet Texas Instruments BQ25010RHLR — 数据表

bq25010
bq25011
bq25012 www.ti.com SLUS615B – DECEMBER 2004 – REVISED JULY 2007 SINGLE-CHIP CHARGER AND DC/DC CONVERTER IC FOR PORTABLE APPLICATIONS
(bq2501x)
FEATURES 1 2 DESCRIPTION Li-Ion Or Li-Pol Charge Management and
Synchronous DC-DC Power Conversion In a
Single Chip
Optimized for Powering Bluetoothв„ў Headsets
and Accessories
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
100 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 …