BQ24157S Datasheet (Texas Instruments) - One-Cell Li-Ion Charger

BQ24157S, One-Cell Li-Ion Charger

The bq24157S 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

BQ24157S Features

* 1 Integrated Power FETs for up to 1.55-A Charge Rate

* Spread Spectrum Frequency Control for Improved EMI Performance

* High-Accuracy Voltage and Current Regulation

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

* Charge Voltage Regulation Accur