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

Abhi6
Associate

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

1 REPLY 1
TDK
Guru

> 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

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