This can be found in the Tube package.In the package 20-TSSOP (0.173, 4.40mm Width) Exposed Pad, there is a version of it.Mounting type Surface Mount is chosen for the device.Temperature -40°C~85°C TA is recommended for reliable performance.Using an analog IC of type POWER SUPPLY SUPPORT CIRCUIT, 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 LT1769.There are no terminations in it at all.In the case of the battery pack, it is 20V Max.20 pins are attached to it.When charging current is maximum, it is rated at 2A.Currently, there are 2 available channels.In this case, the device's maximum supply voltage is 28V.A battery with 0V would be enough for it to run.
LT1769IFE#PBF Features
Battery pack voltage of 20V Max 2 channels 20-TSSOP (0.173, 4.40mm Width) Exposed Pad package
LT1769IFE#PBF Applications
There are a lot of Linear Technology/Analog Devices LT1769IFE#PBF Battery Chargers ICs applications.