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USB host mode without VBUS?

Question asked by Robert Aden on Jan 28, 2019
Latest reply on Jan 31, 2019 by Artur Petukhov

Hi.

 

I'm implementing a product based on an i.MX6ull SOM. On our board we will use a USB device operating on 3.3V. However, it seems like the USB bus does't work in host mode without 5V attached to the VBUS pin(s).

 

I would like to avoid implementing a 5V supply just to get USB working. So my question is, is there anyway to make the USB bus(es) work without it?

 

imx6ul usb ldousb vbus

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