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post #1 of 6 (permalink) Old 07-10-2013, 12:18 AM Thread Starter
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10w led driver question

ok so i'm making another led light this time for a 55gallon I want to do 4-6 10w leds but I don't want 4-6 drivers maybe 2-3. so my question is what kind of out put voltage, or amps should I be looking for? also what would be the best way to wire them up series or parallel
thanks


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post #2 of 6 (permalink) Old 07-13-2013, 09:19 AM
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Ask here.

http://www.ledsupply.com/led-heatsink.php

Very helpful indeed, and I just bought 6 more Cree's that I will drive at 3 watts each.

Enough for me.

Jeff
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post #3 of 6 (permalink) Old 08-03-2013, 08:08 AM
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That's no where near enough info. What are the forward voltage of the LEDs? Wattage really only matters when cooling the chips.

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post #4 of 6 (permalink) Old 08-03-2013, 04:59 PM
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Quote:
Originally Posted by Mcg177 View Post
ok so i'm making another led light this time for a 55gallon I want to do 4-6 10w leds but I don't want 4-6 drivers maybe 2-3. so my question is what kind of out put voltage, or amps should I be looking for? also what would be the best way to wire them up series or parallel
thanks
3-4 10W are usually all you can really do in series.. most likely your V(f) is like 8-11V and 1A draw..
10W chips are usually 9 1W LED's..series/parallel 3 column.. BUT check..
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post #5 of 6 (permalink) Old 08-03-2013, 05:14 PM
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Quote:
Originally Posted by Mcg177 View Post
ok so i'm making another led light this time for a 55gallon I want to do 4-6 10w leds but I don't want 4-6 drivers maybe 2-3. so my question is what kind of out put voltage, or amps should I be looking for? also what would be the best way to wire them up series or parallel
thanks
Please post a link to the 10W leds that you plan to use.

Just as Jefkrol said most white,blue, and green 10W leds have a forward voltage around 10 - 12 V each. Red 10W are slightly lower at 8-10V each. If you're planning to drive a total of 6,you could drive 2 series strings of 3 leds using a couple of Meanwell LDD-H drivers and a small 48Vdc supply.


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post #6 of 6 (permalink) Old 08-04-2013, 10:21 PM
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I have 4 10w ebay leds over my 55 gallon, wired in series. I'm using the Mean Well ELN-60-48D dimmable driver at about half power with no CO2
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