TPS2490DGSR by Texas Instruments(TI) Design and production,in Shenzhen HYLX Technology Ltd. Spot sales,And can pass Shenzhen HYLX Technology Ltd. Purchasing。TPS2490DGSR Price reference $ 1.320000。TPS2490DGSR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS2490DGSR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial