OpenWrt One power requirements

[David Lang]

Denver Gingerich wrote:

> On Tue, Mar 18, 2025 at 09:04:14PM -0700, David Lang wrote:
>> one more thing to add to the documentation for the One, what does it need in
>> a power supply? USB-C has a wide range of voltages/currents that are
>> possible, and even the power supply that is provided does.
>>
>> can it run on 9v, 12v, or does it need 15v? (from my experimentation, it
>> seems like it needs 15v, but that's a guess) current draw seems low, but
>> what is it's budget?
>
> It should be given 15V, as noted in the "PD15V" label on the bottom right of this for example:
>
>  https://openwrt.org/_media/inbox/toh/openwrt/openwrt_one_top.png
>
> I believe this is also indicated in the various spec sheets floating around, but we can be sure to make that more prominent if it's hard to see anywhere.

I looked and didn't see it on the datasheets for it (or at least didn't 
understand what that was meaning

> I don't recall the precise power consumption, but I believe it averages around 
> 5W.  Any standards-compliant 15V power supply will provide enough amperage to 
> run the One.

that matches what my measurements had been showing.

As a thought for the future, I do a lot of battery powered and vehicle mounted 
stuff, plain 12v power as an option rather than having to go through a converter 
would be a nice option to have on a future version.

David Lang