TPS54561QDPRRQ1 by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。TPS54561QDPRRQ1 Price reference $ 3.053750。TPS54561QDPRRQ1 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS54561QDPRRQ1 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial