BQ24157 Datasheet (Texas Instruments) - Fully Integrated Switch-Mode Charger

BQ24157, Fully Integrated Switch-Mode Charger

The bq24157 is a compact, flexible, high-efficiency, USB-friendly switch-mode charge management device for single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications.

The charge parameters can be programmed through an I2C interface.

The IC integrates a synchronous PWM

BQ24157 Features

* 1 Power Up System without Battery

* Charge Faster than Linear Chargers

* High-Accuracy Voltage and Current Regulation

* Input Current Regulation Accuracy: ±5% (100 mA and 500 mA)

* Charge Voltage Regulation Accuracy: ±0.5% (25°C), ±1% (0°C to 125°C)