• Part: BQ24172
  • Description: Li-Ion and Li-Polymer Stand-Alone Battery Charger
  • Manufacturer: Texas Instruments
  • Size: 3.26 MB
BQ24172 Datasheet (PDF) Download
Texas Instruments
BQ24172

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.

Key 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
  • 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