L6377D by ST Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。L6377D Price reference $ 4.450000。L6377D - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information L6377D Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial