TLC2274IDR by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。TLC2274IDR Price reference $ 2.040000。TLC2274IDR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC2274IDR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial