Question PD HUB related question

madoues

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Nov 2, 2020
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Hi,

Say I have a PD enabled Hub with 4 USB-C outs, with a PD enabled power supply plugged into it's power input.
Say a cellphone is plugged in one of the outputs and it is fast charging using the PD function.
The way I understand this is that the port now provides a higher voltage needed for fast charging, up to 20V!!

However, if I now connect an SSD to one of the other ports on this hub, is there any risk of damaging the SSD?
In other words, is the SSD's port voltage now the same as the one the cellphone is charging from?
This is not at all clear to me; if the power supply providing power to the hub has voltage cranked up to charge the cellpĥone,
wouldn't that power be applied to all four outs? Otherwise the other 3 ports would have to reduce this increased voltage for an SSD
to function properly, or any other device not able to distinguish the PD function from an ordinary USB 5V voltage.

Sincerely,
Dan
 
Say I have a PD enabled Hub with 4 USB-C outs
You might want to share a link to this hub you speak of.

If the hub's design isn't shady/compromised, then no you won't be able to fry a data drive hooked to the hub. Some hubs tend to have specific ports that output power and are not meant for data transfer.