How to protect automotive USB Type-C™, USB 3.0 and USB 2.0 ports against short-to-Vbus/battery events


Automotive USB protection customer design challenges


2017년 4월 17일
Originally, USB was developed as a consumer interface. With the proliferation of this interface into automotive applications mainly driven by the consumer world, designers are left with very unique and complex automotive challenges. One of them is the need to protect USB lines against shorts to the vehicle battery. During assembly or maintenance, long wire harness that connects the head unit to different connectivity modules in the car can be damaged and short all pins to the car battery.

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