HR2000GS by Monolithic Power Systems(MPS) Design and production,in Shenzhen BaiWon Electronics Co., Ltd. Spot sales,And can pass Shenzhen BaiWon Electronics Co., Ltd. Purchasing。HR2000GS Price reference $ 3.213136。HR2000GS - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information HR2000GS Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial