There is a package called Tape & Reel (TR) that contains this item.An included version of it is available in the package 8-WFDFN Exposed Pad.A Surface Mount mounting type is assigned to the device.It is best to set the temperature to -40°C~85°C TA in order to prevent the system from overheating.For the device to be charged, there is Constant - Programmable current required.I have found that the number of terminations found in it as a whole is 8.In the battery pack, the voltage is 4.2V.The unit is equipped with a number of programmable features, including Timer.According to the manufacturer, it is rated at 600mA at maximum charging current.There is a possibility that it can be powered by a 5V battery.The device you are looking at belongs to the subcategory of Power Management Circuits.A power supply setting of 0 has been assigned to the part.
RT9527GQW Features
Battery pack voltage of 4.2V Power Management Circuits subcategory 8-WFDFN Exposed Pad package
RT9527GQW Applications
There are a lot of Richtek USA Inc. RT9527GQW Battery Chargers ICs applications.