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Basics of power supply design for STM32

ST Employee

Please go and visit our wiki pages Basics of power supply design for MCU.

This article covers general aspects about designing power supplies for STM32 based applications. It provides general guidelines on important characteristics, how to choose components, and optional features related to power supplies.

The first part is about power supplies in general.

  • Define the main characteristics of power supplies and their impacts on applications.
  • Talk about types switched-mode power supply (SMPS) and low dropout regulator (LDO) and compare them.
  • Provide important power management considerations.

The second part specifies STM32 requirements regarding power supplies.

  • Power architecture of STM32.
  • STM32 specific requirements regarding power supplies.
  • How to identify the requirements of the application.
  • Included features in STM32.


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