Description
The bq2417x device is a highly integrated standalone Li-Ion and Li-Polymer switched-mode battery charger with two integrated N-channel power MOSFETs.
The device offers a constant-frequency synchronous PWM controller with high-accuracy regulation of input current, charge current, and voltage.
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.
BQ24172 Datasheet
