The main supply of STM32 is called VDD. On the simplest products and/or the smallest packages, this is used to supply the entire device. Slightly more advanced products have other input power supplies dedicated to specific features like analog peripherals, GPIO, USB, SPI, LCD. Some STM32 are internally divided into different power domains.
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.
Some STM32 are internally divided into different power domains. They can be separated by power switches or regulators. Thanks to that some power domains can be completely unpowered when not used. For example, STM32H747/757 as explained in the [AN5215].
With the STM32MP2 family, a discrete power supply solution is not recommended due to complexity. To see different design examples of platform power distributions, view the application note depending on the STM32MPx family: AN5031: Getting started with STM32MP151, STM32MP153 and STM32MP157 line hardware development
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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. …
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Digital power is transforming the way we design and manage power supplies, offering unprecedented efficiency, flexibility, and control. …
ST broad product portfolio helps engineers design high efficiency power supplies and converters, along with a comprehensive range of hardware and software evaluation and development tools.
The Power Management Design Center is one of the 4 design components available via ST’s eDesignSuite - a free, comprehensive online software tool that helps you quickly find the best …
Decoupling consists of placing energy storage on different nodes of the power supply grid to locally supply these transient currents. …
ST broad product portfolio helps engineers design high efficiency power supplies and converters, along with a comprehensive range of hardware …
The need for three-phase PFC rectifier Fast growth in high power/energy applications (EVCS, ESS, UPS...) High-efficiency operation enabled by wide-bandgap technology
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