I found it in the Tape & Reel (TR) package, which comes with everything you need.The package 25-XFBGA, DSBGA includes a version of it.A Surface Mount mounting type is assigned to the device.If the temperature is set to -40°C~125°C TJ, reliable performance will be assured.A analog IC of POWER SUPPLY MANAGEMENT CIRCUIT has been used in the design of this device.Device charging requires Constant - Programmable current.The base part number BQ25121 represents its related parts.As far as the terminations are concerned, there are 25.This battery pack has a voltage of 4.2V.Features such as Current are programmable.With maximum charging current, its rating is 300mA.You need 25 pins for it to work.Channels are available in a total of 1.There is a maximum voltage of 5.5V for the device.Using a 5V battery should be enough to run it.
BQ25121YFPR Features
Battery pack voltage of 4.2V 1 channels 25-XFBGA, DSBGA package
BQ25121YFPR Applications
There are a lot of Texas Instruments BQ25121YFPR Battery Chargers ICs applications.