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6 Step dead time problem

TKara.2
Associate III

I can't see the dead time between the signals of the high and low MOSFETs of the same phase on the oscilloscope. The motor runs properly without load, but when a load is applied, the high and low MOSFETs of the same phase burn out. Photos and software are below. I'm using six-step

 

TKara2_0-1740074458298.jpegTKara2_1-1740074476284.jpeg

TKara2_2-1740074500367.jpeg

 

 

1 REPLY 1
GMA
ST Employee

Hello @TKara.2,

Refer to how to write a motor control post to get a response quickly.

If you agree with the answer, please accept it by clicking on 'Accept as solution'.
Best regards.
GMA