USB-C power supplies always support 5 V and some ... 20 V doesn’t get onto the 5 V-only pins, either – the dock has power regulation and gating inside to prevent that. The dock will also ...

Building a USB 3.0 device with a USB-C plug is ... You wire them up to the CC pins, and they negotiate a power profile on your behalf. They have a few inputs that let you set the desired voltage ...