Gene Yes I understand the catastrophic failure mode of Buck converters. But what is BBLB?
John Figie On Sat, Dec 9, 2023, 7:39 AM gene heskett <ghesk...@shentel.net> wrote: > On 12/9/23 06:13, andy pugh wrote: > > On Wed, 6 Dec 2023 at 16:08, Leonardo Marsaglia <ldmarsag...@gmail.com> > wrote: > >> > >> Just a little update. We're going to try and feed all the voltages on > the > >> main board of the control (+5V, +15V, -15V, and 24V) with normal > switching > >> PSUs > > > > Depending on the current requirements on each channel you might want > > to look at using a single PSU and a bunch of buck or boost converter > > modules. > > > > My mill has a 2kw 24V supply and then 4x buck converters (with LED > > voltage displays) to feed the PC motherboard, 5V and 12V logic. > > > Those tend to be BBLB stuff, and I've not had great luck. A to 5 volt > buck crowbared thru, putting the full 24 on the 5 volt stuff with the > expected results, lots of smoke. Lasted under a year, so I don't > consider it since. > Cheers, Gene Heskett. > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author, 1940) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
