POWERSTEP01TR by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。POWERSTEP01TR Price reference $ 5.850000。POWERSTEP01TR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information POWERSTEP01TR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial