TPS54302DDCR by Texas Instruments(TI) Design and production,in Shenzhen HYLX Technology Ltd. Spot sales,And can pass Shenzhen HYLX Technology Ltd. Purchasing。TPS54302DDCR Price reference $ 0.825000。TPS54302DDCR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS54302DDCR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial