Mastodawn

Enbies and Gentlequeers, may we present to you: the USB-C killer five thousand.

No power delivery, no negotiation, just 12V straight to VBUS

You surely wouldn't regret having a USB-C plug with 12V on VBUS around.

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Pavel Machek Mar 26

@derf Can you actually do any USB killing with it? They should not be doing this, but any USB device should probably expect 20V on the input these days... and my guess is that many devices will tolerate 12V just ok.

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✧✦Catherine✦✧Mar 26

@pavel @derf anything that was a microusb design, now with a type-c port, will not survive it. plenty of them

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Pavel Machek Mar 26

@whitequark @derf Why do you believe it will not survive 12V?

I guess you should not try, because it may be out of spec for the devices, but old Nokia phones were designed for 5V charging, but were actually designed to survive 15V IIRC according to service manuals.

I'd strongly suggest anything USB to survive 20V these days, and may guess is that a lot of hardware would actually survive.

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diffie :3 (bindiff)

@pavel Yeah, they were probably designed for unregulated transformer supplies, from which you usually get few volts more when they don't have a significant load. These are somewhat rare nowadays and nearly everyone expects power supplies that normally deviate from the rating only in few 100s of mV and nearly none gives you even a volt above the rating, unless it's failing.