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Buck-Boost Battery Charger for 2 to 4 Cell Batteries:

    4.2V/4.35V/4.4V for 2 and 3 cell, 4.2V/4.35V for 4 cell

Charging Management: Trickle Charging, CC Charging, CV Charging, Charging Termination, Auto Recharge

Integrated Switches, 11 mΩ for Q1/4, 20 mΩ for Q2/3

Wide VBAT Range: 2.7 V to 22 V, 25V sustainable

Wide VBUS Range: 2.7 V to 22 V, 25V sustainable

DP / DM Handshaking for Fast Charging Mode

Programmable Current Limit

Current Monitor

Safety Timer

NTC Battery Temperature Protection

Charging Status Indication

Under Voltage and Over Voltage Protection, Over Current Protection, Short Circuit Protection and Thermal Shutdown

QFN-21 4 x 4 Package