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Associate II
August 7, 2024
Question

Core supply for STM32H573AII3Q

Hello, We are using STM32H573AII3Q in our application. It has in-built SMPS for core power supply. Just wanted to know can we disable this SMPS and use seperate external 1V LDO to power the core?

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2 replies

TDK
August 7, 2024

Yes, this is possible.

TDK_0-1723031516754.png

See the hardware design guide for more information on this.

an5711-getting-started-with-stm32h5-mcu-hardware-development-stmicroelectronics.pdf

 

 

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Billy OWEN
ST Employee
August 7, 2024

Hi @madhu1 

 

This post has been escalated to the ST Online Support Team for additional assistance.  We'll contact you directly.

 

Regards,

Billy