TLC2543CDWR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TLC2543CDWR Price reference $ 6.487040。TLC2543CDWR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC2543CDWR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial