TPA3118D2DAPR by TI Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。TPA3118D2DAPR Price reference $ 1.271250。TPA3118D2DAPR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPA3118D2DAPR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial