Basically I’m trying to de-clutter the cables to my charging station, and was hoping to use a 3-way cable for my phone, watch, and headphones.

My main concern is if one device is able to successfully negotiate QuickCharge or PD, would that send 9-20 volts to the other devices?

e.g. if I grabbed the wrong cord and hooked it into my laptop, the laptop requests 20v, would that PD negotiation succeed and also send 20v to my 5v devices on the other two leads?

I’ve only used these kinds of cables with USB-A and chargers that can only output 5V. Most of my chargers now are QC/PD so I’m curious if I should avoid those or take any particular precautions.

  • Kaiyoto@lemmy.world
    3·
    4 months ago

    Yeah I wouldn’t trust it, you can get USB hubs for fairly cheap. I just googled and saw one for 10$-12$ from Anker.

    • Admiral Patrick@dubvee.orgOPEnglish
      2·
      4 months ago

      Yeah, that’s my current setup. Was just trying to reduce the amount of cables overall. But cheap cables of questionable craftsmanship combined with two complex charging standards sounds like it’s going to be a recipe for blue smoke.