Diy Cob... Could Someone Walk Me Through What I Have To Order?

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closet

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Hi folks,

I want to get rid of my burble light in my 2x2 and would love to diy. I have a 2 x Vero 29 setup in mind. I would love to order the parts from digikey as I am in the EU. Only problem is, I dont really know what parts I have to get... it would be great if you guys could give a little support.

Thanks
 
sixstring

sixstring

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I don't think digikey will have heatsinks.the Vero 29se is very easy to build with because they have solderless poke in connection.just need to decide on a cob first,how many and what voltage.then pick a driver and some heatsinks
 
sixstring

sixstring

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Also cutter electronics will ship to eu and they have ready made kits,you just pick a wattage size kit and do the assembly
 
C

closet

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sixstring said:
I don't think digikey will have heatsinks.the Vero 29se is very easy to build with because they have solderless poke in connection.just need to decide on a cob first,how many and what voltage.then pick a driver and some heatsinks
Click to expand...

Thanks for I would go for 2 Vero 29 3500k which i would run at 120w. I guess that would be a good start for my 2x2. I am a bit lost when i comes to the drivers tbh.
 
Toaster79

Toaster79

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closet said:
Thanks for I would go for 2 Vero 29 3500k which i would run at 120w. I guess that would be a good start for my 2x2. I am a bit lost when i comes to the drivers tbh.
Click to expand...

What's the forward voltage of vero?
 
Toaster79

Toaster79

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closet said:
Excuse me? Pardon me but I am very new to diy led. This is what the product pages says about voltage.
Click to expand...

Find the datasheet of the cob you're about to use and see what Vf has the cob at certain current (power) and go from there. At 36V you could find a 72V constant current driver that puts out about 1.6A if you wire in series or you could go searching for a 36V constant V driver that is gonna deliver about 3.3A current and wire parallel.

P=U×I

It's that simple.
 
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closet

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Toaster79 said:
Find the datasheet of the cob you're about to use and see what Vf has the cob at certain current (power) and go from there. At 36V you could find a 72V constant current driver that puts out about 1.6A if you wire in series or you could go searching for a 36V constant V driver that is gonna deliver about 3.3A current and wire parallel.

P=U×I

It's that simple.
Click to expand...

Ok. So if I wire in series i need 72v with 1.6A per led right? But what if I dont wire in series how does that work? Do I need two drivers then?
 
Toaster79

Toaster79

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If you wire in series then the voltage adds and current stays the same. If younwire in parallel then the voltage stays the same and current divides between the cobs (adds up)
 
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closet

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Toaster79 said:
If you wire in series then the voltage adds and current stays the same. If younwire in parallel then the voltage stays the same and current divides between the cobs (adds up)
Click to expand...

Ok, now I got it. What is my best option in your opinion?
 
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closet

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Toaster79 said:
You could use hlg h150-36 for a parallel wiring and turn it down a bit or run it full throttle as those veros can take it easily
Click to expand...

Ok, thanks that helped a lot. I'll try to deep dive into this later that evening. But if I understood correctly I could use HBG-60-1400 for a single Vero 29 configuration at 60w, right?
 
Toaster79

Toaster79

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closet said:
Ok, thanks that helped a lot. I'll try to deep dive into this later that evening. But if I understood correctly I could use HBG-60-1400 for a single Vero 29 configuration at 60w, right?
Click to expand...

Read the datasheet on that driver. It's 60W and 1400mA. That makes about 42V forward voltage. Your cob is 36V and at 1400mA that makes about 50W
 
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