TPS61040DRVR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TPS61040DRVR Price reference $ 0.616000。TPS61040DRVR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS61040DRVR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial