RT8289GSP by Richtek Technology Corporation Design and production,in Deli Electronic Co., Ltd Spot sales,And can pass Deli Electronic Co., Ltd Purchasing。RT8289GSP Price reference $ 0.448000。RT8289GSP - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information RT8289GSP Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial