I have purchased some USB-C connectors that I use to build my own cables with (I have separate "host" and "device" side connectors for various cable assemblies), and I was wondering how I might go about testing the resistor on the little PCB to ensure it is correct and to spec? Any best practices or reliable techniques for doing this?
I recently had a customer inform me that a USB-C to Mini-USB cable that I made for him damaged the keyboard he had it plugged into and I'm trying to ensure it doesn't happen again. (I am assuming there was something wrong with the USB-C resistor that caused the issue). Thanks!
Best Answer
How to test Type-C end of cable? You buy a breakout board like this one or similar, with Type-C receptacle,
and then use DMM to measure resistance on both CC pins, to ground, and to VBUS.