alt Hacker NewsInteresting. Does UsBC spec/licensing require any sort of notation for products that don’t implement handshake?
Replies
auguzanellato • yesterday at 11:00 PM
Such products shouldn’t exist by spec, they’re just not compliant.
Interesting. Does UsBC spec/licensing require any sort of notation for products that don’t implement handshake?
Such products shouldn’t exist by spec, they’re just not compliant.
There is no handshake, all that's needed are two 5.1 kΩ pulldown resistors. By omitting them the manufacturer saved all of about 0.1c and made their device incompatible with compliant usb-c chargers.
More info: https://hackaday.com/2023/02/07/all-about-usb-c-manufacturer...