TLC2274IPWR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TLC2274IPWR Price reference $ 0.905850。TLC2274IPWR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC2274IPWR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial