There is a package named Tape & Reel (TR) that contains it.There is a 25-UFBGA, WLCSP package included with this item that you will need to take care of.Surface Mount is the mounting type of the device.Ensure reliable performance by setting the temperature to -30°C~85°C TA.It uses an analog integrated circuit of type ANALOG CIRCUIT.In order to charge the device, it needs to receive Constant - Programmable current.It contains 25 terminations.It is 4.5V Max for the battery pack.In addition to Current, Timer, Voltage, a variety of programmable features are available.The device has a maximum charging current of 1.5A.The device can withstand a supply voltage of 7.5V.The device can operate at a voltage of 4V as low as possible.I'd like to emphasize that the mounting of the device is done in the same manner as Surface Mount.
FAN54020UCX Features
Battery pack voltage of 4.5V Max 25-UFBGA, WLCSP package
FAN54020UCX Applications
There are a lot of ON Semiconductor FAN54020UCX Battery Chargers ICs applications.