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com bq24020, bq24022, bq24023 bq24024, bq24025, bq24026 bq24027 SLUS549E – DECEMBER 2002 – REVISED NOVEMBER 2007 SINGLE-CHIP, LI-ION AND LI-POL CHARGER IC WITH AUTONOMOUS USB-PORT AND AC-ADAPTER SUPPLY MANAGEMENT (bqTINY™-II) FEATURES 1 •2 Small 3 mm × 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 Ti...

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