THS4521IDGKR by Texas Instruments(TI) Design and production,in Shenzhen HYLX Technology Ltd. Spot sales,And can pass Shenzhen HYLX Technology Ltd. Purchasing。THS4521IDGKR Price reference $ 1.361250。THS4521IDGKR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information THS4521IDGKR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial