Product Summary
The BQ24020DRCRG4 is a single-chip, li-ion and li-pol charger ic with autonomous usb-port and ac-adapter supply management. In a single monolithic device, the BQ24020DRCRG4 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 Single-Cell Li-Ion or Li-pol Packs in Space status, and charge termination. The applications of the BQ24020DRCRG4 include: PDAs, MP3 Players, Digital Cameras, Internet appliances, Smartphones.
Parametrics
BQ24020DRCRG4 absolute maximum ratings: (1)Input voltage: –0.3 to 7.0 V; (2)Output sink/source current: 15 mA; (3)Output current: 200 mA; (4)Output current: 1.5 A; (5)Operating free-air temperature range, TA: –40 to 125 ℃; (6)Junction temperature range, TJ –40 to 125 ℃; (7)Storage temperature, Tstg: –65 to 150 ℃; (8)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 300 ℃.
Features
BQ24020DRCRG4 features: (1)Charges and powers Systems from Either AC Adapter or USB With Autonomous power-Source Selection; (2)Integrated USB Control With Selectable 100 mA and 500 mA Charge Rates; (3)Ideal for Low-Dropout Charger Designs for Single-Cell Li-Ion or Li-pol Packs in Space Limited portable applications; (4)Integrated power FET and Current Sensor for Up to 1-A Charge applications From AC Adapter; (5)Precharge Conditioning With Safety Timer; (6)power Good (AC Adapter Present) Status Output; (7)Optional Battery Temperature Monitoring Before and During Charge; (8)Automatic Sleep Mode for Low-power Consumption.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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BQ24020DRCRG4 |
Texas Instruments |
Battery Management Single-Chip 1-Cell Li-Ion Charger |
Data Sheet |
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