The BQ25618YFFR is a Battery Management I2C controlled, single cell buck battery charger with 20-mA termination and 1-A boost from Texas Instruments. It can be used for charging batteries from a wide range of sources, such as USB, AC/DC adapters, and solar cells, and features automatic charge termination. It is designed to support WCSP 30-DSBGA in a -40 to 85°C operating temperature range, allowing for reliable operation in a wide range of applications and environments. This device provides constant current/constant voltage charging for Li-Ion and LiPolymer batteries with up to 1.5A charge current. Additionally, it features reverse current protection, an LED indicator to indicate charger status, and two output pins for reverse battery protection.