CAD CAM EDM DRO - Yahoo Group Archive

Back EMF

Posted by afogassa
on 2004-03-20 22:36:28 UTC
HI, All
I'm building a A3977 based step motor controller, it works ok up to
30V. than it burns up, I think it's the Darn thing called "Back EMF"
I'm thinking about using a zener diode on the VBB input to clamp the
high voltage generated by the motor. what do you think ?

Thank's
Fogassa

Discussion Thread

afogassa 2004-03-20 22:36:28 UTC Back EMF caudlet 2004-03-21 06:54:12 UTC Re: Back EMF