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Custom designed board not connectable - Reference Design Sensortile Used

AMell.1
Associate III

I have a created a circuit from the Sensortile reference design and the MCU and the step down transformer both overheat, I am thinking the BGA pattern on the STM32 is off and there is a short drawing alot of current?

BOOT0 is ground

Reset is pulled low

the SWDIO and SWDCLOCK line are connected directly via a pinout to the nucleo board

The attached step down and induction circuit have worked perfectly with previous TI MCU designs.

Any insight into where I may have connected the MCU up incorrectly or not used enough decouplers?

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