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drad1
Associate II
October 3, 2024
Solved

Current Consumption of USB regulator on STM32H755II

Hello, 

VDD50USB on STM32H755II is powered from external 3.3V supply. What is the general use current consumption of the internal USB regulator? 

Thanks!

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FBLBest answer
ST Technical Moderator
October 4, 2024

Hi @drad1 

VDD50USB can be supplied through the USB cable to generate the VDD33USB via the
USB internal regulator. The current consumed through the VDD50USB port on the STM32H755XI MCU is around 10mA.

To give better visibility on the answered topics, please click on "Best answer" on the reply which solved your issue or answered your question.Best regards,FBL
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1 reply

FBLBest answer
ST Technical Moderator
October 4, 2024

Hi @drad1 

VDD50USB can be supplied through the USB cable to generate the VDD33USB via the
USB internal regulator. The current consumed through the VDD50USB port on the STM32H755XI MCU is around 10mA.

To give better visibility on the answered topics, please click on "Best answer" on the reply which solved your issue or answered your question.Best regards,FBL
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