On 12 January 2012 15:02, Viesturs Lācis <viesturs.la...@gmail.com> wrote:
> How do I determine, what size capacitors should be used? > Right on the rectifier and also for those boot-strap capacitors? On the basis of maximum current draw and allowable ripple. And capacitor ESR too. > What is that on the upper right corner? > https://picasaweb.google.com/108164504656404380542/Gibbs#5471910659108799346 A connector for logic power, I think. It was over a year ago. > Ok, thanks, now it makes sense! > Do I need those shunt resistors for normal operation of the chip or > are they meant just for feedback to controller? They are meant for feedback. > >> Vss is the logic ground. > > Ok, great! > Is it supposed to receive any additional 5V, 12V or something similar > for logic power? Yes, Vdd. >> (Freewheel diodes) > Ok, found them. > So does it mean that it already is protected? It should be. But I still managed to break at least one. -- atp The idea that there is no such thing as objective truth is, quite simply, wrong. ------------------------------------------------------------------------------ RSA(R) Conference 2012 Mar 27 - Feb 2 Save $400 by Jan. 27 Register now! http://p.sf.net/sfu/rsa-sfdev2dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
