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Can we add a resistor between i.MX6SDL USB_OTG_VBUS and USB connector?

Question asked by Satoshi Shimoda on Aug 3, 2016
Latest reply on Aug 3, 2016 by Satoshi Shimoda

Hi community,

 

I have a question about i.MX6SDL.

Can we add a series resistor (120 ohm) to USB VBUS line between i.MX6SDL USB_OTG_VBUS and USB connector?

As per hardware development guide (IMX6DQ6SDLHDG Rev.1), USB_H1_VBUS should be directly connected a 5V supply.

But no recommendation about connection between USB_OTG_VBUS and connector in the document.

 

In fact, current leakage is shown in their custom board.

And adding series resistor (120 ohm) may prevent the leakage, so they want to add it.

 

 

Best Regards,

Satoshi Shimoda

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