[Feeler Thread] Copper direct-connected 20mm triples and quad universal MCPCB boards

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Dsche
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[Feeler Thread] Copper direct-connected 20mm triples and quad universal MCPCB boards

Hi!

I’m Alexey ‘Dsche’ from Russian ‘Fonarevka’ forum and I’d like to present you one of my project: universal multi-XP* (+ Nichia 219, Samsung 3535 etc) copper direct-connected 20mm boards

Here’s triple:

Here’s quad

and its ability of connection

Price MUST be less than $2 for one board

Edited by: Dsche on 11/04/2013 - 08:09
Helios-
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Very nice.


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Werner
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Are there optics available for 4 Xpgs?
The 3 led version is already available so that’s not so interesting…

NightCrawl
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Carclo has a series of quad optics, I guess those are the ones the board is designed for.

Dsche
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Werner wrote:
available for 4 Xpgs?

Sure, budget ones here (10Off code till December)

Tofty
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I'd really like to see these copper quad boards available as there's nothing comparable on the market at the moment.

Also the stylised surface pattern is a nice touch.

All we need now is a driver that could push a 4x copper mounted XP-G2 setup to it's full potential, to 2A-3A each if not more.

Pictures of most of my work can be found on my Facebook Page.
Also have a look at my Shapeways Shop and <a href=“http://www.shapeways.c

skyrider1
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I picked up some of your triple boards (with the larger copper surface area over the dielectric layer) before direct copper ones were available and were happy with those. I’d definitely be interested in the direct copper bond quad board.

Any idea on the time scale and when this projection would come to fruition?

Dsche
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I may estimate readiness as 80-90%

We’ve check this factory samples (no gaps nor not-register like Noctigone)
We prepare and transfer Gerber files to factory and check all layers again
Today I’ll pay for mold production

Stay tuned )

comfychair
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Dsche wrote:
(no gaps nor not-register like Noctigone)

If I may ask, what's this statement based on? If you've seen issues with them yourself, what was the sample size? Or is this based on a picture somebody uploaded that then got passed around until 'everybody knows' they must all have issues?

Dsche
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comfychair wrote:
what’s this statement based on?

Well, I’d prefer do my work right way, not discuss somebody’s mistakes

Just put it here

comfychair
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Dsche wrote:
comfychair wrote:
what's this statement based on?
Well, I'd prefer do my work right way, not discuss somebody's mistakes Just put it here !http://lumenaddict.com/pic/flashLight/MCPCB/Noctigon.jpg![/quote]

You have a funny way of not discussing it.

Dsche
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comfychair, bingo!

comfychair
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I'm sorry, but what I mean is you're playing the awfully tired passive-aggressive game by bringing it up first, then saying you're not going to talk about it, and then posting a picture of who-knows-what from who-knows-where. You just showed up here doing... whatever you're doing, and Hank has been good to an awful lot of us for a long time.

I have had a lot of Noctigons in my hands and not seen anything like what's in your clever picture.

You seem like a nice fellow though, so I will just wish you well in your future endeavors and let this play out as it may.

Dsche
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Ok, let’s return to serious side, sorry for my clownery

comfychair, first copper direct connect I’ve try was SinkPad and second Noctigon

I have some censorious remarks for both

I don’t base on somebodies pictures or judgment – it’s my own experience

All sinkpad have problems with design: very thin power paths plus no way out for solder from thermal-pad

Some noctigons (I’ve bought it from IO) have problems with gap between thermal-pad and power-pads layers and some others have a problem with positioning

Pictures above-n-below (it’s my picture and these boards was bought from IO) shown it

I’m understand baffling complexity of producing copper MCPCB

And now I’ll try to produce some better product, no more

djozz
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Thanks for making these boards and posting here, your boards really look nice, and thanks for explaining how they will be better than Sinkpads or Noctigons. I (and others) have not found a significant lack of performance with either Sinkpads or Noctigons (it may just be ignorance Wink ), but I guess that if you measure well you could see a benefit from the thermal pad and connecting pads being exactly level.

I'm not a large-scale consumer, but I'm in for three triple boards and two quad boards, if only for the very elegant design Smile

Dsche
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Well, triples almost ready

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They look great.

Feels a bit like klingon styling. :bigsmile:
The copper klingon triple. Beer


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djozz
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Nice, I'm still in for a few Smile

leaftye
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I'm not entirely sure how I'd use it yet, but I'm in for a few too.

The low mode should be lower.

borked
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Interesting.
Able to supply with chosen led already mounted and tested to work ?

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I actually have a few of the Carclo quads so this is interesting. They are even more floody than triples however. Khatod makes a 20mm quad that has deeper optics but the peg footprint doesn’t match the Carclo quad(pegs closer to edge on Khatod). To work with both optics the peg holes would need to be elongated radially.
-Edit
My bad, those are 25.4mm optics but I believe the led footprint is the same as on the 20mm Carclo, the extra 5.4 mm allows for the deeper optics. Still, a board that works for both would be nice. Probably too late though.

Three Tanna leaves to give him life, nine to give him movement. But what if he eats the whole bag?

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Alje
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I’m in for a couple of parallel triples and a couple of quads

leaftye
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Any updates, particularly on the quad version?

The low mode should be lower.

Dsche
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Guys, sorry for delay

First batch was moved to trash (It’s happened sometime, yep)

Second batch of triples is ready and I’m sending it to participators right now

After that I’ll count the rest and offer it here

Quads must be ready this week

Hope update the thread soon

djozz
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Dsche wrote:
Guys, sorry for delay First batch was moved to trash (It's happened sometime, yep) Second batch of triples is ready and I'm sending it to participators right now !http://lumenaddict.com/pic/flashLight/MCPCB/Direct/TriplesWhole.jpg! !http://lumenaddict.com/pic/flashLight/MCPCB/Direct/fine.jpg! After that I'll count the rest and offer it here Quads *must* be ready this week Hope update the thread soon

wow, that is a lot of boards Surprised.  What was wrong with the first batch I wonder?

(still in for a few triple and quad boards Smile )

Dsche
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djozz wrote:
wow, that is a lot of boards

One US guy ordered 750 pieces )

djozz wrote:
What was wrong with the first batch I wonder?

As usual – some gap between thermal-pad and board layer. They offer big discount for it, but I was unbending and force them to re-make it

Ejected Filament
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Triples? Quads? Why would I want them? What would I do with them? Ive not even reflowed a single led let alone 3 or 4.

But Ill take a one of each if these are pure copper.

leaftye
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Ejected Filament wrote:
Triples? Quads? Why would I want them? What would I do with them? Ive not even reflowed a single led let alone 3 or 4. But Ill take a one of each if these are pure copper.

I love your attitude!  Does it make sense?  No.  Better get at least two.  Awesome.

The low mode should be lower.

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I’m a little bit confused… What is wrong with the Noctigons on both pictures?
Is there a chance you’re also doing singles with maybe 16mm diameter?

I’m also in for some, it just depends on the price. :bigsmile:

Dsche
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SchwarzeWolke some N-ns have a gap, another have a little drift with soldering mask, and third pretty good

I can’t going to produce some singles because Sinkpad did

Hank Wang
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Here is how those boards with the depression/gap thermal pad perform.
Note: Ambient temperature is slightly higher on the Noctigon XM20 testing, which should give Sinkpad a leg up! Solder alloy is identical in all tests.
What is not mentioned here is that none of the 3XP have a depression/gap at all on the thermal pad, in the single batch we did so far for those.
Important is that not all boards have that depression for the thermal pad is only a certain batch, again the one in the test is one of those, mistakes happen and flaws appear, we are not claiming flawless here.
In this case of the thermal-pad depression/gap boards batch, there is no thermal issue due to the slight depression as the seller implies as the test shows it.

https://intl-outdoor.com, Noctigon, Emisar, flashlight components.

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