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submitted 1 month ago by blibla@slrpnk.net to c/technology@lemmy.world
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[-] TORFdot0@lemmy.world 0 points 1 month ago

Come to think of it, all the USB C cables I have are from phone and device chargers so I just took it for granted. Good to know. Thanks for sharing some knowledge with me

[-] InputZero@lemmy.world 1 points 1 month ago

USB-c cables can vary drastically. Power delivery alone ranges from less than 1 amp at 5 volts to over 5 amps at 20 volts. That's 5 watts of power on the low end to 100 watts of power on the high end and sometimes more. When a cable meant to run at 5 watts has over 100 watts of power run through, the wires get really hot and could catch fire. The charger typically needs to talk to a very small chip in the high power cables for the cables to say, yes I can handle the power. Really cheap chargers might just push that power out regardless. So while the USB-c form factor is the one plug to rule them all, the actual execution is a fucking mess.

this post was submitted on 24 Nov 2024
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