TLC5940PWPR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TLC5940PWPR Price reference $ 2.940000。TLC5940PWPR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC5940PWPR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial