How to DIY a LED chip series - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 02-26-2017, 10:58 PM Thread Starter
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How to DIY a LED chip series

Hey there, first timer here.

i was wondering what I would need to do to wire a 4 white 50 led chips and 3 grow chips together?

I only have soldering equipment and a led aluminum led frame.

Soldering is easy but I don't know what to get in terms of drivers (dimmable?) and power supply (wall socket?)

this are the parts i was looking at:

https://www.amazon.com/Chanzon-Power...9CK5KDXXMV8SMV

https://www.amazon.com/LOHAS-White-P...4G1D34342HHZRM


any serious info would be appreciated.
thanks, Kancolle
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post #2 of 6 (permalink) Old 02-27-2017, 01:24 AM
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Quote:
Originally Posted by kancolle View Post
Hey there, first timer here.

i was wondering what I would need to do to wire a 4 white 50 led chips and 3 grow chips together?

I only have soldering equipment and a led aluminum led frame.

Soldering is easy but I don't know what to get in terms of drivers (dimmable?) and power supply (wall socket?)

this are the parts i was looking at:

https://www.amazon.com/Chanzon-Power...9CK5KDXXMV8SMV

https://www.amazon.com/LOHAS-White-P...4G1D34342HHZRM


any serious info would be appreciated.
thanks, Kancolle
You need to run each chip on a separate driver..
suggest 500-700mA LDD-H drivers..

Power supply should be ac/dc 36V (minimum) W/ roughly 7A capacity..250W..
Heat sinking is important.
Substitute a multi-chip for the strings..

http://www.tc420.net/connecting-high...-the-TC420.php

"A man with a watch knows what time it is. A man with two watches is never sure."
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post #3 of 6 (permalink) Old 02-28-2017, 05:28 AM Thread Starter
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would it be something like this?

https://www.amazon.com/LEDwholesaler...rds=led+driver

waterproof and all, and would i need to separate driver for the white and grow light led series? or would every 50 w chip have to have its own driver

its for a 75 gal

as for power and a fan would PC parts do, i know it's been done before but they are 50-100 watt chips? Don't know which to get yet?

And for a dimmer? https://www.amazon.com/LEDwholesaler...et_feature_div
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post #4 of 6 (permalink) Old 02-28-2017, 02:17 PM
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No like this:
But don't have the possibility of dimming
https://www.amazon.com/floodlight-wa...36v+led+driver

You need to match the voltage out to the chip V(f).. voltage it needs to light..
EXAMPLE only..


All the chips you mentioned require more than 12V
Quote:
Working Voltage and Current: DC 32-34V 1400-1700mA
Honestly not sure why the current is listed soo high..No matter need 32V to "fire it up" approx.

now you can run more than one chip per driver if you 1)have the right voltage) and 2) the constant current is divided between the 2 parallel branches (chips are attached to the driver in parallel) i.e 900mA driver now feeds 450mA to each branch.

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Last edited by jeffkrol; 02-28-2017 at 02:58 PM. Reason: edit
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post #5 of 6 (permalink) Old 03-01-2017, 07:24 AM Thread Starter
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is it better to have alot of 3w leds like here? https://www.youtube.com/watch?v=IE5k...st=WL&index=15

or use larger cob leds? 30-100w with a big driver? HLG-185H-C700B - MEAN WELL - TRC Electronics
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post #6 of 6 (permalink) Old 03-01-2017, 12:43 PM
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Originally Posted by kancolle View Post
is it better to have a lot of 3w leds like here? https://www.youtube.com/watch?v=IE5k...st=WL&index=15

or use larger cob leds? 30-100w with a big driver? HLG-185H-C700B - MEAN WELL - TRC Electronics
One needs to consider what they are going to use to control them (If they are)
Most (if not all) of these HV drivers use (if dimmable):
Quote:
3-in-1 dimming function with 1~10VDC, 10V PWM signal or resistance (B-Type)
LDD's use 5V (approx) PWM for the dim signal.

Secondly soldering 43 plus diodes in series can be a PIA to get right..
or 4 big COB's..
Everything from safety to technique becomes more critical..

"A man with a watch knows what time it is. A man with two watches is never sure."
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