this post was submitted on 02 Jan 2024
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I like carrying around one USBC to C cable for my devices, but I don't want to carry around a USBC to A cable for other ports. Is there a dongle that takes a USBC cable and converts one end into USBA? I need it to support at least 15W.

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[–] Rootiest@lemmy.world 12 points 10 months ago (1 children)

FYI essentially all adapters with a usb-c female connector are non-compliant.

When people talk about USB-C potentially damaging devices, it is because of non-compliant adapters, chargers, cables, etc.

So just keep in mind that while the risk may be minimal depending on your use-case, these adapters can be dangerous and risk damaging your devices.

[–] corsicanguppy@lemmy.ca 2 points 10 months ago (1 children)

FYI essentially all adapters with a usb-c female connector are non-compliant.

Can we take the word of a random internet stranger without even SOME context or explanation?

[–] Rootiest@lemmy.world 19 points 10 months ago* (last edited 10 months ago)

Here's an article that mentions it

As a rule of thumb, most adapters with a female USB-C socket on them are non-compliant.

You can also look at the USB spec yourself

USB Type-C receptacle to USB legacy adapters are explicitly not defined or allowed. Such adapters would allow many invalid and potentially unsafe cable connections to be constructed by users.

[–] joat_mon@lemmy.world 4 points 10 months ago
[–] solrize@lemmy.world 4 points 10 months ago

You can't really get 15 watts from a USBA port, but this may be the adapter you want: https://www.adafruit.com/product/4175

[–] chaorace@lemmy.sdf.org 0 points 10 months ago* (last edited 10 months ago) (1 children)

First thing's first: all such adapters should be considered evil by default. The only way to make a compliant adapter is with active circuitry in the adapter essentially providing an entirely standalone USB controller interface.

With that being said, here's an adapter which does exactly that. Back when I researched this topic in October I found that the linked adapter is essentially the only one of its kind on the market right now.

[–] maniel@lemmy.ml -1 points 10 months ago

Yeah, those are CONSIDERABLY bigger than USB A to USB C dongles