XHP-35

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Manual Man
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XHP-35

Looks good: Basically its a 12V version of the XP-L ( single emitter, available in domed and “High intensity” versions) with some very interesting characteristics.

-Available factory “de-domed”.
-Available straight from the get go with minimum CRI of 90 at tints up to 7000K (at ~1000 lumens @ 13W)
-1850 lumens (1480 in de-domed version) at 13W in an XP-G / XP-L sized package for the lower CRI versions.

Sounds like its going to make quite a splash on the mutli-cell side of things.

Product Page:
http://www.cree.com/LED-Components-and-Modules/Products/XLamp/Discrete-D...

Datasheet:
http://www.cree.com/~/media/Files/Cree/LED%20Components%20and%20Modules/...

Didn’t find any recent posts by searching but if this is a repeat let me know.

Edited by: Manual Man on 07/16/2015 - 04:02
Otanacious
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http://budgetlightforum.com/node/40280

but XHP35 HI, oooooooooh baby.

pro22000
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may be it is time to build good step-up driver for this kind of emmiters)

Manual Man
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Otanacious wrote:

http://budgetlightforum.com/node/40280

but XHP35 HI, oooooooooh baby.

Did see it but decided as it was more speculation then confirmation a new thread was the order of the day.

As for Boost drivers I believe something suitable already exists in the hand-held laser crowd. I’ll try find it, unfortunately if I recall correctly they are around $20 per driver.

edit: here we go, something like one of these should do the trick, current out only needs to be about 1 A at 12.5V, which would mean around 4-5A input from a single Li-ion.
http://laserpointerforums.com/f67/driver-specifications-compendium-78942...

D10ten
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If you look closely, there are 4 die on the XHP35 that is really close to each other.

DavidEF
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D10ten wrote:
If you look closely, there are 4 die on the XHP35 that is really close to each other.

Show me the picture where that can be seen. Wink

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mwfire
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DavidEF wrote:
D10ten wrote:
If you look closely, there are 4 die on the XHP35 that is really close to each other.
Show me the picture where that can be seen. Wink

Click on the data sheet PDF link

Scroll to bottom pages 36 & 37 have pictures if you look close you’ll see it.

DavidEF
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mwfire wrote:
DavidEF wrote:
D10ten wrote:
If you look closely, there are 4 die on the XHP35 that is really close to each other.
Show me the picture where that can be seen. Wink

Click on the data sheet PDF link

Scroll to bottom pages 36 & 37 have pictures if you look close you’ll see it.


Aha! You’re right! I had never scrolled down the Datasheet yet. The pictures at the top of the Datasheet don’t show any lines at all, no matter how closely you look at them. Interesting that on the XHP35, there is phosphor coating all the die area. The XHP50 and XHP70, I think, have gaps in the phosphor between the individual dies.

I can imagine a 2XAA light, modded to use one of these, with 4×14250 cells powering it in Direct Drive! Or, a 4XAAA light, using 10440’s. Anything larger would be capable of driving a XHP50 or XHP70, so it wouldn’t make sense to have one of these in a larger light.

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texas shooter
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Another possibility is using set ups that use 4-18650’s to run say 3 XM-L’s in series to now run 3 XHP-35’s in parallel. Now we’d get less current through switches, springs and wires but have better wattage. Tiny Monsters from Nitecore and G, S, M series from Eagletac.

DB Custom
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This is kind of exciting! 4 dies, packed very close together, might not exhibit the dark donut hole effect of it’s siblings, and factory domeless with high CRI? Wow!

Notice the dots are not lined up the same direction on the individual dies, but the line between the dies is very marginal…

Taken from the datasheet and enlarged 50%. Wink

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But no 6v option? Major bummer

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pilotdog68 wrote:
But no 6v option? Major bummer

Probably has something to do with the size of this thing. It’s XP size. Not to mention, the dies are crammed tight together. There probably just ain’t no room for the trickery it takes to get a dual voltage option.

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Small 2S 18650 with 4× 18350’s or 16340’s in series. Something like a Convoy S2 with an extension tube.

Or 4× 10440 like this or this or this

Three tomatoes are walking down the street- a poppa tomato, a momma tomato, and a little baby tomato. Baby tomato starts lagging behind. Poppa tomato gets angry, goes over to the baby tomato, and smooches him… and says, Catch up.

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I know, it’s doable. But I’m not comfortable with that many cells in series. That also puts you at almost 17v fully charged.

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pilotdog68 wrote:
I know, it’s doable. But I’m not comfortable with that many cells in series. That also puts you at almost 17v fully charged.

I bet the LED could handle the 17V as it is 4 die array.

Three tomatoes are walking down the street- a poppa tomato, a momma tomato, and a little baby tomato. Baby tomato starts lagging behind. Poppa tomato gets angry, goes over to the baby tomato, and smooches him… and says, Catch up.

Manual Man
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I noticed the die lines running through it. I don’t think they will be visible when its running. I guess time will tell.

It should be simple enough to run one of these off a single Li-ion while still maintaining about 90% driver efficiency, in fact I think because of the nature of boost circuits it should be possible to maintain a higher average efficiency then AMC7135 drivers from 0.05A through to 2A (if Vf is not too high).

I’m thinking something like this:
http://www.ti.com/lit/ds/slvscm8a/slvscm8a.pdf

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I would think it's going to take 4 cells, like in an SRK, but 4 in series, to get the voltage. Once this goes up over 1.5 amps, then you will be talking more like 13-14 volts, so I would think 4 cells and a buck driver would be better off than a boost driver. Buck is usually more efficient than boost and takes less amperage from the cells. Or at least 3 in series and a boost driver.

I could see SRK lights with four of these leds in parallel and four cells in series, or a Courui with a boost driver and 3 cells in series.

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DavidEF
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Old-Lumens wrote:

I would think it’s going to take 4 cells, like in an SRK, but 4 in series, to get the voltage. Once this goes up over 1.5 amps, then you will be talking more like 13-14 volts, so I would think 4 cells and a buck driver would be better off than a boost driver. Buck is usually more efficient than boost and takes less amperage from the cells. Or at least 3 in series and a boost driver.

I could see SRK lights with four of these leds in parallel and four cells in series, or a Courui with a boost driver and 3 cells in series.


Yeah, but why would you want all that power going to a XHP-35, when you could easily power up at least a XHP-50 with that, and with high-drain cells, a XHP-70?

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DavidEF
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n10sivern wrote:
Small 2S 18650 with 4× 18350’s or 16340’s in series. Something like a Convoy S2 with an extension tube.

Or 4× 10440 like this or this or this


That second one looks perfect!

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finges
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4× 10180 in a 2x AAA tube light (mini maglite for example)

DB Custom
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That would be cool! Runtime would suck in a big way, but still….

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Sorry, the link messed up my quote block and I didn’t catch the error. Fixed it now. That was n10sivern that found those. I would love to have one with an XHP-35 in it. Run-time should be okay, as long as full-on Turbo mode was used sparingly. 0:)

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texas shooter
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Missing out on some ideas here. For the High Intensity version, that emitter is 2.4mm square. That’ll fit under 26.5mm TIR’s from Carclo, its input hole is 3.8mm. This next area I’m not sure about. But the input side from the Carclo 10511 family is 1.7mm so not certain what will happen to light from the outer area not under the hole. What I’m thinking as a good light build is a two cell light with a driver to bump up the voltage and yet fit into the P60 or C8 family of lights.

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An EE X6 w/extension tube and 35mm Ledil Cute-4 optics. Wink Quad XHP-35, that should garner some attention!

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DB Custom wrote:
An EE X6 w/extension tube and 35mm Ledil Cute-4 optics. Wink Quad XHP-35, that should garner some attention!

Okay, so how much ya sellin’ those for, Dale? Wink

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Dale did you make your extension tube yourself? I think I would like the X6 proportions much better if the tube was longer

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I have one with a Ledil Mirella and a single XHP-70 that does some 5500 lumens. The extension tube went to a Solarforce M7, took a little modification but it all works well together. Smile

So yeah, what I was thinking, an extension tube would allow for what, 4 18350’s? Maybe 3 18500’s? (Although I have yet to find an 18500 that will put out like the shorter 18350 Purple) Then it’s just a matter of determining the driver, right? I’ve tried 12V triple XHP-70’s on 3 18650’s and they can’t do the forward voltage. But 4 parallel XHP-35’s with 4 18350’s, run through a Zener modified FET driver, that could be interesting…. the problem as I see it is that 1A max current thing, wonder what they can REALLY take?

Would this maybe do 8000 lumens? Don’t know, but if I can remember all this I’ll probably give it a go.

Edit: Have some of the HI XHP-35 on the way, y’all don’t let me forget why I ordered these ok? Wink

Edit II: Ok, so these fit the XP footprint which means a triple would be easy to do in the X6 with a Noctigon 32mm mcpcb. I have copper heat sinks for this, and the Ledil Cute-3 optics, so all I need is for the emitters to come in and we’ll see what these puppies can do! (backorder on the XHP35 HI til Aug 5, they’ll probably ship a day or two quicker, we’ll see.)

Edit III: Looks like, from some extrapolation of the data sheets, we should expect something in the 4400 lumen area with a Vf around 12.6. Not stupendously outstanding but not at all shabby either.

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DavidEF wrote:
DB Custom wrote:
An EE X6 w/extension tube and 35mm Ledil Cute-4 optics. Wink Quad XHP-35, that should garner some attention!

Okay, so how much ya sellin’ those for, Dale? Wink
I changed my mind. I’d never be able to EDC that. Silly

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Available at Cutter already apparently, if the price is any indicator they should eventually be available for about $5 each as well:
http://www.cutter.com.au/proddetail.php?prod=cut2677

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texas shooter wrote:
Another possibility is using set ups that use 4-18650’s to run say 3 XM-L’s in series to now run 3 XHP-35’s in parallel. Now we’d get less current through switches, springs and wires but have better wattage. Tiny Monsters from Nitecore and G, S, M series from Eagletac.

Is the old DRY 3 XMLS in series? I wonder how that might work out.

texas shooter
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richnpc wrote:
texas shooter wrote:
Another possibility is using set ups that use 4-18650’s to run say 3 XM-L’s in series to now run 3 XHP-35’s in parallel. Now we’d get less current through switches, springs and wires but have better wattage. Tiny Monsters from Nitecore and G, S, M series from Eagletac.

Is the old DRY 3 XMLS in series? I wonder how that might work out.

The original DRY triples were series on a supposed 4 amps driver. Should be a fairly straight forward modification.

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