USB testing and certification

USB - is the abbreviation of English UniversalSerialBUS (Universal Serial Bus), and its Chinese abbreviation is "Tong Serial Line"; Supports plug-and-play and hot-swappable capabilities of devices. USB was jointly proposed by Intel, NEC, Compaq, DEC, (, Microsoft, and Northern Telecom in 1994, and the USBV0.7 version was released on November 11, 1994, and has now developed into version 3.1. USB has the advantages of fast transmission speed, easy to use, support hot swap, flexible connection, independent power supply, etc.; USB certification, also known as USB-IF certification, is a voluntary landmark certification promoted by the USB ImplementersForum (USB-IF).

USB certification is generally based on the requirements of the client, the USB function used on high-end products generally has to apply for USB certification, and USB products can use the USB logo after applying for association certification to obtain the TID number of USB products. In order for a USB product to use this mark and have a TID number, it must first apply to the USB Association to become a member of the company, and then apply for component certification.