FAN54020UCX ON Semiconductor / Fairchild

Description: IC BATT CHG LI-ION 1CELL 25WLCSP, Current - Charging: Constant - Programmable, Battery Pack Voltage: 4.5V (Max), Voltage - Supply (Max): 7.5V, Fault Protection: Over Temperature, Over Voltage, Short Circuit, Programmable Features: Current, Timer, Voltage, Charge Current - Max: 1.5A, Supplier Device Package: 25-WLCSP (2.4x2), Battery Chemistry: Lithium Ion/Polymer, Operating Temperature: -30°C ~ 85°C (TA), Interface: I2C, Mounting Type: Surface Mount, Number of Cells: 1, Package / Case: 25-UFBGA, WLCSP, Packaging: Tape & Reel (TR).