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General discussion • Re: Y Cable for OTG (5amp Power not available), Raspberry Pi 5

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A Y cable may not make the warning disapear.

You get it because the PMIC on the Pi is unable to negotiate a 5v 5A supply with the power source over USB PD. While within the standard it's apparently fairly rare so it's likely what ever is on the non Pi end of the cable doesn't support it.

For USB PD you need a USB C port on the non-Pi end. It is not present on USB A ports.

You can override the warning byt including the following in your config.txt:

Code:

usb_max_current_enable=1
Be careful though. You still only get whatever current the power source provides. You're just telling the Pi to assume a 5A supply regardless of what it detects.

[edit]
Forgot to mention. I use these: https://www.8086.net/products#80860016
[/edit]

Statistics: Posted by thagrol — Tue Mar 05, 2024 5:07 pm



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