Texas Instruments BQ24172
Li-Ion and Li-Polymer Stand-Alone Battery Charger
| Part No. | BQ24172 |
|---|---|
| Datasheet | BQ24172 Download |
| Manufacturer |  Texas Instruments |
| Description | Li-Ion and Li-Polymer Stand-Alone Battery Charger |
| Buy | Stock & Price |
FEATURES
●1 1.6-MHz Synchronous Switched-Mode Charger with 4-A Integrated N-MOSFETs● Up to 94% Efficiency
● 30-V Input Rating with Adjustable Overvoltage Protection – 4.5-V to 17-V Input Operating Voltage Range
● Battery Charge Voltage – bq24170: 1-, 2-, or 3-Cell with 4.2 V/Cell – bq24172: Adjustable Charge Voltage
● High Integration – Automatic Power Path Selector Between Adapter and Battery – Dynamic Power Management – Integrated 20-V Switching MOSFETs – Integrated Bootstrap Diode – Internal Digital Soft Start
● Safety – Thermal Regulation Loop Throttles Back Current to Limit TJ = 120°C – Thermal Shutdown – Battery Thermistor Sense Hot/Cold Charge Suspend and Battery Detect – Adjustable Input Overvoltage Protection – Cycle-by-Cycle Current Limit
● Accuracy – ±0.5% Charge Voltage Regulation – ±4% Charge Current Regulation – ±4% Input Current Regulation
● <15-μA Battery Current With Adapter Removed
● <1.5-mA Input Current With Adapter Present and Charge Disabled 2
APPLICATIONS
● Tabl...
