In the Tube package, you will find it.To make it easier for you, it is included with the 22-WFDFN Exposed Pad package.There is a mounting type of Surface Mount for this device.Keeping the temperature at -40°C~125°C TJ will ensure reliable performance.This part number LTC4091 can be used to find its related parts.Battery pack voltage is 4.2V.In total, it has 22 pins.A number of programmable features are available, including Timer.As far as the charging current is concerned, it is 1.5A at full charge.In order for it to work, it requires 22 pins.
LTC4091IDJC#PBF Features
Battery pack voltage of 4.2V 22-WFDFN Exposed Pad package
LTC4091IDJC#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC4091IDJC#PBF Battery Chargers ICs applications.