No power through usb. STM32F103c8t6

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J_Molenaar
Posts: 1
Joined: Thu Sep 17, 2020 10:14 am

No power through usb. STM32F103c8t6

Post by J_Molenaar »

Dear Folks,

I have a problem with my STM32F103c8t6 black pill, yesterday i had power over usb and programmings worked without a flaw.
But today it isn't working anymore, i saw some smoke in the corner of my eye just flying by.
What could this be? Becuase when i power it from my usb to tll converter over 3v3, it works without a flaw.
Can it be the 5v to 3.3v onboard regulator?
When i have connected the usb to the STM32 it can upload, but only if i gave it some external 3.3v power.

Someone knows what this could be?

Best wishes, Jeff.

GonzoG
Posts: 47
Joined: Wed Jan 15, 2020 11:30 am
Answers: 4

Re: No power through usb. STM32F103c8t6

Post by GonzoG »

Looks like regulator got fried.

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