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Might have this power supply figured out

Discussion in 'Power Supplies' started by jimcllc, Dec 19, 2012.

  1. jimcllc

    jimcllc Apprentice Elf

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    With so many power supplies out there I always assume most of the time bigger is better. That being said, is this how I figure out what size power supply I need? I am assuming the WS2811 LED pixel node DC 5v will take a 5v power supply, while the5m led digital strip,DC12V input,WS2811IC would take a 12v power supply. I then assume I need to figure out how much power I am using (I think that is called current), convert it into watts, then get the proper power supply taking into account the 85% rule. If so this means I may be on the right track!
     
  2. DeeJai

    DeeJai Is that Magic Smoke?!?

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    yep your definitely on the right track.

    Basically all you need to decide now, is how many 2811 5v and 12v you will be running, that will ultimately decide for you, how many of each psu you will require, along with backups.

    For a bit of a guide from my display, I am running 723 pixels (12v 2801), and run these all from 2 x 350w psu's from Ray.
     
  3. fasteddy

    fasteddy I have C.L.A.P Global Moderator Generous Elf

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    Looks like you have been reading and researching because you are pretty much correct with your understanding.

    The only thing is bigger may not always be better. there is no need to have a 350 watt power supply for 1 or 2 strips. The power supply will only output what it needs. But on saying that i use just 350 watt Power supplies because i like to be able to have some extra capacity and also have a common power supply rating so if one fails i have a spare to do the job.
     
  4. OP
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    jimcllc

    jimcllc Apprentice Elf

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    Thanks Eddy, I have been doing alot of reading/researching. For every question I pose on here is usually preceded by lots of reading.
     
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    jimcllc

    jimcllc Apprentice Elf

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  6. fasteddy

    fasteddy I have C.L.A.P Global Moderator Generous Elf

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    Sounds correct and well within the load of the powersupplies. The only thing to consider is if you plan on expanding your display next year then a 350 watt PSU may be better value for you
     
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    jimcllc

    jimcllc Apprentice Elf

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    That is true, I am fully expcting to purchase a 300+ psu next year. Just is better on the budget this year since I need 2 psu
     
  8. battle79

    battle79 Full Time Elf

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    jimcllc

    jimcllc Apprentice Elf

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    Wow that is an awesome price Thank you so much for that link. I'm going to get 2 of them and have more power!!!
     
  10. David_AVD

    David_AVD Bite my shiny metal ass!

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    [​IMG]
     
  11. OP
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    jimcllc

    jimcllc Apprentice Elf

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    That's who I had in mind! I was unsure if you all in Australia knew Tim Taylor! (Grunts)
     

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