TPS61089RNRR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TPS61089RNRR Price reference $ 1.210000。TPS61089RNRR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS61089RNRR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial