TLC5940PWPR by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。TLC5940PWPR Price reference $ 1.346250。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