I found it in the Tape & Reel (TR) package, which comes with everything you need.The package 16-WFQFN Exposed Pad 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 SUPPORT CIRCUIT has been used in the design of this device.Device charging requires Constant - Programmable current.The base part number LTC4120 represents its related parts.This battery pack has a voltage of 4.2V.The device has 16 pins in total.With maximum charging current, its rating is 400mA.There is a maximum voltage of 40V for the device.
LTC4120IUD-4.2#TRPBF Features
Battery pack voltage of 4.2V 16-WFQFN Exposed Pad package
LTC4120IUD-4.2#TRPBF Applications
There are a lot of Linear Technology/Analog Devices LTC4120IUD-4.2#TRPBF Battery Chargers ICs applications.