BQ24171RGYR Description

The BQ24171RGYR is a highly integrated stand-alone Li-ion and Li-polymer switched-mode battery charger with two integrated N-channel power MOSFETs. The BQ24171RGYR offers a constant-frequency synchronous PWM controller with high-accuracy regulation of input current, charge current, and voltage.

BQ24171RGYR Features

• Less Than 15-μA Battery Current With Adapter Removed

• Less Than 1.5-mA Input Current With Adapter Present and Charge Disabled

• Small QFN Package

• -24-Pin, 5.5-mm × 3.5-mm QFN Package

• JEITA-Compatible Battery Temperature Sensing

• 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

BQ24171RGYR Applications

• Industrial control Instrumentation

• Automobile industry

• DC/DC, DC/AC, and AC/AC converters

• Power factor correction (PFC)