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Power Supply Board

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I'm Looking for a small circuit board to provided power to a 12v DC to a Pump (18 watt .69amp), and 4 3pin fans. This is to provided power to a external water cooling rack.
I'm in the process of brainstorming, and would appreciate, ideas, alternatives, etc. As it stands I've found things close, or things I'm unsure would work. I'll keep looking.
Thanks all.
 

OneMoar

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12V dc is everyware man
old computer psus
old power adapters
old car battery's
if it says it outputs 12v DC then it should work
 
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12V dc is everyware man
old computer psus
old power adapters
old car battery's
if it says it outputs 12v DC then it should work
Yeah i was thinking power adapter and see if ya can get 1 or more from the second hand shop.
 

OneMoar

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Before I go to bed I have poured over my search and the mCubed Mini NG is supplied power via 4 pin Molex, providing this power via a external 4 pin power source makes the use of said unit possible, but without having to use the a PC's ATX power supply. I see no way however to make this on/off capable, unless you just unplug it.
I had an idea to just short a ATX's 24pin on the power supply, but it would be unsightly and huge.
I'm quickly drawing to the conclusion that I might be asking for something that doesn't really exist. Yes, it does, but it's inviting Jerry and Jimmy to the party creating a very odd solution. :confused:
Anyway, awesome feedback, and my brain hurts, till tomorrow. :rockout:
 
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I'm Looking for a small circuit board to provided power to a 12v DC to a Pump (18 watt .69amp), and 4 3pin fans. This is to provided power to a external water cooling rack.
I'm in the process of brainstorming, and would appreciate, ideas, alternatives, etc. As it stands I've found things close, or things I'm unsure would work. I'll keep looking.
Thanks all.
i don't know where do you get that .69amps from.
if it's 18 watt pumps with 12v dc input, then it would require 1.5 amps at the minimum ;)
 
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i don't know where do you get that .69amps from.
if it's 18 watt pumps with 12v dc input, then it would require 1.5 amps at the minimum ;)
Technical specifications:
Nominal voltage 12 V DC
Operating voltage range 6 to 13.2 VDC
Nominal power (@ 12 V) 18 W
Nominal current (@ 12 V) .69 amps
Nominal head (@ 12 V) 13.05 ft (4 m)
Nominal discharge (@ 12 V) ~ 92.4 GPH (350 LPH)
Connection size 3/8" barbs (10mm)
Maximum pressure 22 PSI (1.5 BAR)
Temperature range Up to 140°F (60°C)
Electrical connector Molex 4 pin
Weight 7.3 oz (207 gr.)

Straight from EK.

Ok so I need these things for this to work.
http://www.coolerguys.com/840556092148.html
http://www.coolerguys.com/840556088776.html
http://www.coolerguys.com/840556097600.html
http://www.coolerguys.com/840556028932.html
For a grand total of $36, not bad. :rockout:

Thanks for the feedback, and help with this.

In the future if I can collaborate this with some buds you'll see a system in this.
LIAN LI PC-Q03B Black Aluminum Mini-ITX Tower Comp...
And theses parts powering a external water rack roughly a little bigger then the case itself :laugh:
 
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The power supply from this unit (below) and any fan controller should also work:

StarTech USB2SATAIDE Adapter - Newegg.com

Has an inline switch and has a 12V/2A and a 5V/2A output

** EDIT- I own one of them and read the output from the power brick if curious about it **
 

de.das.dude

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most reliable would be laptop power supply brick :)
 
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Or an LCD monitor one.

If you want long-term reliability and good quality, go for a Seasonic or a Delta power brick. LiteOn also make some good ones...
 
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Laptop bricks are not 12 volt. Netbook bricks usually are 12 v.
 
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Technical specifications:
Nominal voltage 12 V DC
Operating voltage range 6 to 13.2 VDC
Nominal power (@ 12 V) 18 W
Nominal current (@ 12 V) .69 amps
Nominal head (@ 12 V) 13.05 ft (4 m)
Nominal discharge (@ 12 V) ~ 92.4 GPH (350 LPH)
Connection size 3/8" barbs (10mm)
Maximum pressure 22 PSI (1.5 BAR)
Temperature range Up to 140°F (60°C)
Electrical connector Molex 4 pin
Weight 7.3 oz (207 gr.)

Straight from EK.
well, P = VI hence I = P/V so current needed = 18 watts / 12 volts = 1.5 amps

anyway, lcd monitor power bricks is usually 12 v and can provide around 4 amps current, it should provide enough juice.

laptops power adapters/chargers are usually around 19 volts, not 12v
 
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