Skip to main content
JBadu.1
Visitor II
June 2, 2021
Solved

Is it mandatory to power STM32G473 from 3.3v only when I need in USB functionality?

  • June 2, 2021
  • 1 reply
  • 727 views

I am going to use STM32G473 for my application. Most of peripheral interfaces need in 1.8v power (QSPI, I2C, GPIO, etc.) but i need in USB device functionality too.There is a requirement form data shhet (DS12712 Rev3 p174) to power USB tranciever from 3.3v. Does it mean that when I need in USB whole chip should be powered from 3.3v?

This topic has been closed for replies.
Best answer by TDK

> Does it mean that when I need in USB whole chip should be powered from 3.3v?

Yes, if you need USB, you'll need to provide a VDD of 3.0-3.6V per the datasheet.

1 reply

TDK
TDKBest answer
June 2, 2021

> Does it mean that when I need in USB whole chip should be powered from 3.3v?

Yes, if you need USB, you'll need to provide a VDD of 3.0-3.6V per the datasheet.

"If you feel a post has answered your question, please click ""Accept as Solution""."