Noisy motor currents in inverter board B-G431B-ESC1

What can cause currents noise in inverter board B-G431B-ESC1?

The measured currents are shown in the attachment.

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ST Employee

Ciao

Seems that the peak value of the current is to small respect the full scale.

Try with current 10 or 20 times bigger the signal/noise ratio should be improved.

If you can provide bigger currents to the load then is necessary to adapt the current sensing network maybe increasing the shunt resistors.

Ciao

Gigi

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