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external power supply should be documented #23

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proppy opened this issue Jan 18, 2023 · 1 comment
Open

external power supply should be documented #23

proppy opened this issue Jan 18, 2023 · 1 comment

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@proppy
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proppy commented Jan 18, 2023 •
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Looking at the nucleo board datasheet:
https://www.st.com/resource/en/user_manual/um1974-stm32-nucleo144-boards-mb1137-stmicroelectronics.pdf

It seems that:

In case the maximum current consumption of the STM32 Nucleo-144 board and its shield
boards exceeds 300 mA, it is mandatory to power the STM32 Nucleo-144 board with an
external power supply connected to E5V, VIN or +3.3 V.

I wonder if the data corruption #20 and flashing reliability issues #19 #16 could be related to this?

It would be nice to document the external power supply options:

  • Vin
  • E5V
  • 3.3V thru hat

As well as some power profiling of the hat + nucleo board in action during IO configuration to assert that firmware changes don't exceed the power supply budget.
@proppy proppy mentioned this issue Jan 18, 2023
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@jeffdi
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jeffdi commented Feb 8, 2023

Need to document this and add to troubleshooting list.

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