This can be found in the Tube package.In the package 16-WFQFN Exposed Pad, there is a version of it.Mounting type Surface Mount is chosen for the device.Temperature -40°C~125°C TJ is recommended for reliable performance.Using an analog IC of type BATTERY CHARGE CONTROLLER, this device is able to communicate with the outside world.To charge the device, you need Constant - Programmable current.Identify its related parts based on the base part number LTC4121.There are no terminations in it at all.In the case of the battery pack, it is 18V Max.16 pins are attached to it.When charging current is maximum, it is rated at 400mA.For it to work, 16 pins are required.A battery with 0V would be enough for it to run.The board is capable of handling a voltage input of zero volts.For normal operation, the supply voltage (Vsup) should be greater than 4.4V.
LTC4121EUD#PBF Features
Battery pack voltage of 18V Max 16-WFQFN Exposed Pad package
LTC4121EUD#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC4121EUD#PBF Battery Chargers ICs applications.