We use ATX power supplies to run our burnin racks. Gerald
On Thu, Oct 10, 2013 at 12:15 PM, Paul Tan <[email protected]> wrote: > I'm running my Beaglebones off the +5V line of a ATX Power supply with no > problems. I have not tried the standby power line, but according to > wikipedia http://en.wikipedia.org/wiki/ATX, the standby +5V (Vsb) is > spec'ed to a peak to peak ripple of 50mV, and the same as the +5 VDC (main > 5V line) from the ATX supply. So, there SHOULD BE NO PROBLEMS with ripple. > > I've had my Beaglebone(s) (yeah, a few of them) powered on the ATX supply > for weeks now without any problems. > > Paul Tan. > http://www.exadler.com > http://exadler.blogspot.com > > On Thursday, October 10, 2013 9:01:35 AM UTC-4, tushar gurjar wrote: > >> Thanks Charles & Liyoshi for your inputs! >> >> Btw. , Are there any chips which will specifically remove the high >> ripples @5V yet allow around 1.5 A current to flow ? Would a low ESR >> 10uF/100uF/1000uF cap between SMPS & Beagleboard XM do the job? >> >> Best Regards, >> Tushar >> >> ------------------------------ >> Date: Wed, 9 Oct 2013 09:07:29 +0800 >> Subject: Re: [beagleboard] Is it safe to power Beagleboard XM Rev B with >> 5V Supply of PC ATX SMPS? >> From: [email protected] >> To: [email protected] >> >> >> As I remember , BeagleBoard Xm will have a limit of power protecter . >> over 5.3v or lower than 4.xv (not clear about this ) >> You will not be able to power up the board . TPS65930 will not power up >> the omap3730 >> ATX power 5V will always have the very big ripple . >> >> If you can boot up normally , ignore this . >> >> >> >> >> 2013/10/8 Charles Steinkuehler <[email protected]> >> >> On 10/8/2013 9:37 AM, tushar gurjar wrote: >> > >> > >> > Hello, >> > >> > Is it safe to power Beagleboard XM rev B with the +5V DC output of PC >> > ATX SMPS directly or should a linear regulated 5V supply be used >> > instead to be on the safer side? >> > >> > In other words, does the Beagleboard XM have circuitry to handle 5V >> > SMPS supply input ? >> >> Well, the "wall-wart" supplies recommended for the BeagleBone are all >> switching-mode power supplies, so the ATX supply should work just fine. >> >> Note that you do need to have enough load on the supply for it to >> operate properly, there are different 'flavors' of ATX supplies and they >> have different minimum load specifications. Also note that the 5V aux. >> supply (that is on all the time) is rated for 2A on almost all recent >> ATX supplies. I plan on running the 'Bone off the 5V aux. rail so it's >> on all the time, and using the switched 5V and 12V to drive my 3D >> printer so "machine power" is only active when I'm printing something. >> I haven't done this yet with the 'Bone, but it's how I had the Arduino >> controller hooked up, and it worked fine. >> >> Also, if you're _only_ using the 5V aux supply for the 'Bone, you don't >> need to worry about turning the ATX supply on or having a proper load on >> the higher-current 5V and 12V lines. Just hook up two wires and you're >> done. :) >> >> -- >> Charles Steinkuehler >> [email protected] >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard...@**googlegroups.com. >> >> For more options, visit >> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >> . >> >> >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard...@**googlegroups.com. >> >> For more options, visit >> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >> . >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
