TPS2552DRVR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TPS2552DRVR Price reference $ 1.870000。TPS2552DRVR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS2552DRVR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial