Solved
Power-up Sequence Issues
For the STM32MP135 series, specifically the STPMIC1A I'm using, can VDD_CORE and VDD_CPU share the same power rail (buck1)?
PatrickFBest answer
ST Employee
March 26, 2026
HI
you could probably find some answers in following documents:
- AN5587 Integration of STM32MP13x MPU product lines and STPMIC1D / STPMIC1A on a wall adapter supply
- especially figure 2
- AN6312 How to use STPMIC1L for a wall adapter powered application on STM32MP13x lines MPUs
- AN5586 STM32MP13x MPU product line discrete power supply hardware integration
Regards.
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