If you are looking for it in the Tube package, then you have found it.With this item, there is a 8-SOIC (0.154, 3.90mm Width) package that comes with it.Surface Mount is the mounting type of the device.Setting the temperature to -20°C~70°C TA is the right thing to do.An analog IC of POWER SUPPLY SUPPORT CIRCUIT is used in this device.Charge the device with Constant - Programmable current.Based on the base part number BQ2057, it is possible to find related parts for this device.It has 8 terminations.The device has a total of 8 pins.A number of programmable features are available, including Current.The product is able to function with the help of 8 pins that are required.It is possible to use a total of 1 channels.Batteries with 5V should be able to power it.There is no damage to the device if an input voltage of 15V is applied.In the case of a 4.2V output voltage, high efficiency is possible.2A is the output current during the operation.The device you are looking at belongs to the subcategory of Power Management Circuits.The device can operate at a voltage of 4.5V as low as possible.It is configured to be 4mA for Vsup (maximum supply voltage).A minimum input voltage of 4.5V volts is required for this device.