XHP-35

You’ll probably have to use 4 18350’s in series to get the voltage to run the emitter. I don’t know of any boost driver to up the voltage of two 26650’s to meet the 12v requirement.

Indigo 5.2 :smiley:
I’m use it in courui d01 + xhp35
1.8A on the led

Link to the driver?

The LD-51 does that trick. Driver for XHP35 LD-51
I’m currently talking with gearbest about that driver.
It’s not a direct replacement, it’s 28mm instead of 20.

Any ideas about modes? How many and what percentage?

Thanks guys for the help

I am not a big fan or 4 cells. I would rather a boost driver if i can. Even if it is not as efficient.

2 18650’s/26650’s with boostdriver will have more runtime than 4 18350’s.

yea i would rather two 18650’s running at 2amp so its bright.

Looks like LD-51 is now available @ Kaidomain: http://www.kaidomain.com/product/details.S025108

Ok, now, who’s gonna buy one and figure out how to mod for higher current output?

Good question? Did you look at KD photos showing different power modes… none of them make much sense, especially the last one showing 1.6A @ 14V clearly being displayed on a bench power supply.

It’s DIY driver from Inferion (like in the Meteor)
You can made it :slight_smile:
http://forum.fonarevka.ru/showthread.php?t=20409

How do i fit the LD-51 in the L2? I will have to make sure it fits i guess…

sooooo Which should I expect more “impressive” throw from, given all else is equal: A dedomed XPG2 at 4.5amps, or an XHP35 HI at 1amp? I know to be precise we need more specific info, but give it your best guess.

I’m assuming the XPG2, just making sure I’m thinking clearly

In theory and from what Dale has posted, it would seem they are very close to each other. Makes sense as the XHP35 is nothing more then 4 XG-G2 dies put together, so in theory assuming you drive it to the same level it would have the same surface brightness and thus the same throw.

The difference is that the XHP35 should net you 4x the lumens, 4x the spot size and WAY better tint options. I mean they have lots of high CRI XHP35 HI options out there, sure you give up a few lumens but who cares except for the ragged edge lumens/throw lights.

In theory, yes, but there’s no way I get 4x the lumens. Aren’t most people getting 1500-1800lumens at that driver current? But the 35 is XP-E2 dies I thought, so it’s also not 4x as big.

edit: actually at only 1amp they’re closer to 1300 lumens.

The tint is a good thing though, hadn’t even thought about that.

This would be in a Courui with FX35 driver btw. I’m not sure if that driver can be modded to get more amps or not.

XPL HI die size: 2mm x 2mm
XPG2 die size: ~ 1.45mm x 1.45mm

Djozz recently said the XPG2 die size is 2.2x the XPE2 die size (in area), which means

XPE2 die size: ~ 0.98mm x 0.98mm

From this graphic:

The XHP35 HI width is 1.4x the XPL die size, which means

XHP35 die size: ~ 2.8mm x 2.8mm

So it looks like the XHP35 is 4 XPG2 sized dies. It would need 4.5A (with all 4 dies in series) to match the luminance of the XPG2 at 4.5A. Then it would also have ~4x the output.

You know what, I am not sure what dies it was using, it may have been an unknown die or the E2.

In which case it should in theory give better throw but in practice I think getting the same would be doing good.

They are rated at 1833 lumens by Cree at 1.05A drive. So at ~2A drive you should be able to get a fair amount more then that.

This makes it hard to know what dies are used, my guess is a uniqe die since it is between the E2 and G2, although something is off on this page as it shows the max for the XHP35 at 1712 lumens instead of 1833 as in the data sheet. So it looks like it would be G2 dies as it is much closer to the G2 then the E2.

Beat me to it, looks like it is G2 dies or at least the same sized dies.

Should be able to get close to 2500 lumens out of an XHP35 with a buck/boost driver since acebeam is getting 2600 lumens out of an older bin in the K70.

Regarding the XHP35 die size. Texas_Ace approximately measured 2.65-2.75mm across here.

I just measured mine and I would say it is very close to 2.50mm across, so 1.25mm for each die. I think definitely smaller than the XPG2 1.45mm die size.

Wasn’t the old style XP-G2 a 1.3mm die? I have no idea personally, just seems like I read that someplace.

Seems to me it may be a different die altogether as it for sure seems larger then an XP-E2 die which the best I could find is 1mm.