DESCRIPTION

· The FAN5451x family is a 3.2 A USB-compliant switch-mode charger with I2C control.

· Features an optimized Power Path circuit for fast system startup and accurate battery current measurement.

· Supports three charging modes: Pre-Charge, Constant Current, and Constant Voltage.

· Automatically restarts the charge cycle if the battery voltage falls below a threshold.

· Available in a 63-bump, 0.4 mm pitch WLCSP package.

FEATURES

· Fully integrated, high-efficiency charger for single-cell Li-Ion and Li-Polymer batteries.

· Charge current programmable up to 3.2 A with ±5% regulation accuracy.

· 95% charge efficiency and 10 mV float voltage accuracy.

· 5 V, 1.5 A boost mode for USB OTG.

· 22 V DC withstand voltage on VBUS and 13.25 V maximum input operating voltage.

· Includes reverse polarity protection, thermal shutdown, and programmable thermal regulation.

APPLICATIONS

· Smartphones, tablets, and e-books.

· Li-Ion powered devices.