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>>A dumb cable will never be expected to transmit 5A of current with a USB-PD device at each end. I mean, a lot of cables(Certainly all Anker ones) support 100
by gambiting 3y ago
>>A dumb cable will never be expected to transmit 5A of current with a USB-PD device at each end.
I mean, a lot of cables(Certainly all Anker ones) support 100W charging and that's 20V@5amps, so the 5amp part really shouldn't be a big problem.
- izacus 3y agoSupporting 20V@5A doesn't mean they'll successfully negotiate for 5V@5A. That's the whole point of the post you're replying to.
- mardifoufs 3y agoThe issue isn't the cables. It's the USB pd wall adapters, that usually use the same broad range of USBPD ICs and those rarely support 5v5a. So you are fundamentally limited to almost just some raspberry centric hardware since no one else uses that USB PD level.
- wkat4242 3y agoWith 5V @ 5A the heat isn't the only problem, you also have a relatively higher voltage drop to contend with. Which the raspberry is also known to be pretty sensitive to. I imagine that will need even thicker cables to work reliably than 20V@5A.