Motorvate DIY Video: How Drive by Wire Works

Originally Posted by SouthArk370Z Nice job. What causes the negative spike at the end of each pulse? Motor inductance? Correct! When the MOSFET is turned off, the magnetic field in

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Motorvate DIY Video: How Drive by Wire Works

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09-02-2018, 10:17 AM

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Quote:

Originally Posted by SouthArk370Z

Nice job.

What causes the negative spike at the end of each pulse? Motor inductance?

Correct!
When the MOSFET is turned off, the magnetic field in the DC motor collapses and induces a reverse current. This is also known as "Back EMF"

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