2022-09-16 10:24 PM
The file en.MB1381-H750XB-B02_Schematic.pdf states that H750XB only supports LDO mode, then SMPS should be OFF, as in the below figure:
The schematic file is different as in the below figure:
My question is the schematic below would cause any problems:
Best Regards
2022-09-17 02:54 AM
Connecting the SMPS power pins directly to ground doesn't seem appropriate. What does the datasheet suggest?
2022-09-18 12:17 PM
Hi @Community member , I couldn't find relevant info in the datasheet, but the file "en.STM32H7-System-Power_control_PWR.pdf" from ST slide 6 details supply configuration as below: