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>does the cable also tell the devices what it is capable of, so that if the devices are capable of 20 V and 5 A but the cable can only handle 5 V and 3 A that i
by notatoad 5y ago
>does the cable also tell the devices what it is capable of, so that if the devices are capable of 20 V and 5 A but the cable can only handle 5 V and 3 A that is all that the devices will actually do?
yes, assuming the cables properly implement the spec
https://www.androidauthority.com/beware-of-cheap-usb-type-c-cables-653827/ https://www.androidauthority.com/beware-of-cheap-usb-type-c-...
- tzs 5y agoCool. The next question then is that if devices can tell other devices what they are capable of, and the cables can tell devices what they are capable of, could one build a portable, consumer priced, tester that (1) you can plug into a USB-C port and the tester would tell you what that port supports, and (2) you can plug a cable into the tester and it tells you what the cable supports?
- megous 5y agoYes, there are already type-c pd testers that do that. The price is about $20-40. Easy to buy them on aliexpress.
- deleted 5y ago[deleted]