Skip to main content
Visitor II
August 30, 2024
Question

Can we left pins VFBSMPS and VLXSMPS of STM32H747AII part if SMPS functionality is not used

  • August 30, 2024
  • 1 reply
  • 651 views

We are not using SMPS functionality of STM32H747AII MCU. Can we left VDDSMPS, VFBSMPS, VLXSMPS pins unconnected?

    This topic has been closed for replies.

    1 reply

    Super User
    August 30, 2024

    > when the SMPS is OFF the VDDSMPS, VFBSMPS and VSSSMPS should be connected to ground and VLXSMPS should be floating.

    Quote from here:

    Solved: Where connect SMPS pins when SMPS is not used. - STMicroelectronics Community