On Sun, Jan 16, 2011 at 09:35:53PM -0800, Kirk Wallace wrote: > On Sun, 2011-01-16 at 21:20 -0800, Kirk Wallace wrote: > > I'm a little confused about the bldc comps. My study of bldc so far > > indicates that the top and bottom of three half-bridges need to to be > > controlled, so I though the comps would need six outputs instead of the > > three (3 digital top, 3 PWM bottom). What am I missing? > > Oops. I think I got it now. The bottoms are the ones complement of the > top.
But with a little dead-time between one being turned off and the other on. So H-bridge drivers with hardware dead-time would be needed where only three signals are provided. (AIUI) Erik ------------------------------------------------------------------------------ Protect Your Site and Customers from Malware Attacks Learn about various malware tactics and how to avoid them. Understand malware threats, the impact they can have on your business, and how you can protect your company and customers by using code signing. http://p.sf.net/sfu/oracle-sfdevnl _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
