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Old 06-21-2012, 08:03 AM #977
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

I solder it manually. It looks crooked but it worked fine.
That driver is already replaced. I accidentally powered it with 8V and blow up the driver.

I have now two perfect soldered drivers. The hottest component, LM3410 is specially sinked with copper plates for optimal heat transfer. It works like the IHS on the Intel CPU's.
The heat isn't dumped directly into the silicon glue but goes through metal. And the copper plate has direct contact with the aluminium pill. It is all covered up with silicon glue. Special cooling makes the driver more efficient. Maybe that is why this output is possible.

I have tested it with 4 diodes and it gives 2137mA. I was using too high Vf on my testload.
Thanks for helping me out.



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Old 06-21-2012, 01:11 PM #978
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

That was probably my problem. I never did get my dual set up working right. This is incentive to try again.
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Old 06-21-2012, 05:19 PM #979
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

Quote:
Originally Posted by Blord View Post
I have now two perfect soldered drivers. The hottest component, LM3410 is specially sinked with copper plates for optimal heat transfer. It works like the IHS on the Intel CPU's.
The heat isn't dumped directly into the silicon glue but goes through metal. And the copper plate has direct contact with the aluminium pill. It is all covered up with silicon glue. Special cooling makes the driver more efficient. Maybe that is why this output is possible.
BTW...Silicone glue/caulking is a bad conductor of heat...
and should never be used on PCBs or electronic circuits.


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Old 06-21-2012, 07:02 PM #980
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

Glad you got it working Is this going to be a monster 9mm 445 build?
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Old 06-22-2012, 02:49 PM #981
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

Just a note.. I have 2 9mm 445's and I can barely get them over 2W with a 1800 and 1950ma drivers I also have 2 H1600's which both go over 2.5W on the same current. So I am interested to see what this will do at 2100ma.. So far my best output diodes for 445 are the H1600's.
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Old 06-22-2012, 09:39 PM #982
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

Quote:
Originally Posted by Kizdawg View Post
Just a note.. I have 2 9mm 445's and I can barely get them over 2W with a 1800 and 1950ma drivers I also have 2 H1600's which both go over 2.5W on the same current. So I am interested to see what this will do at 2100ma.. So far my best output diodes for 445 are the H1600's.
Probably not much. In fact, pushing less efficient diodes higher, is the WRONG way to go about things.

If a diode is less efficient, it's silly to try pushing the current higher, in an effort to "get more out of it". Less efficient means more heat, and less return for your inputs. So don't try to mitigate your bad luck by feeding in more current, because that diode is less likely to be able to take it. Push your efficient diodes, nurture your weak ones.
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Old 06-22-2012, 09:59 PM #983
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

If he cant get two of the 9mm diodes over 2W it is probably not an efficiency problem. They do have a higher forward voltage than the M/H series diodes. Kizdawg you sure the driver is actually supplying that much current when the 9mm diode is connected with it's higher forward voltage? Or that the batteries you are using can supply enough current to boost to 5V+ @ 1.8A+.

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Old 06-23-2012, 03:36 AM #984
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

That's basically what I said. I was told 1800ma for a decent life and at that current my h1600 is over 2.5W the 9mm is arround 2 -2.1W. That MAY just be my luck but that's the way the diodes stack here. I didnt think I was pushing my luck.

And probably not DTR I didnt realize that they took more vf than the others if that is the case then my current would actually have be running lower on an actual diode than I expected. I have only tested current on a test load never an actual diode so I cant say for sure the test load would have given the same results regardless.

Also I dont have these things running on the same drivers the 2.5W is on a linear the 9mm is on a buck I bet the 9mm would do better on the linear.

So I will retract my comparison statement because I am not comparing them on equal terms.
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Old 06-23-2012, 03:48 AM #985
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

Are you sure you have the buck driver set up properly? Because typically, buck drivers are more stable at high-currents than linear drivers
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Old 06-23-2012, 03:58 AM #986
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

yes and it is not your buck driver. it's a fmt @ 1950ma.

I'm not complaining I love all my builds.. I have one 9mm @ 780ma it's great and will probably live ~forever~

I think DTR hit it on the head! With all these Fixed resistor drivers do we even need a test load anymore? not like we can change the current easily.
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Old 06-23-2012, 04:01 AM #987
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

Still though. The FMT should be outputting 1950mA. You can check the current the diode is seeing by putting your DMM in series with your diode, i.e. driver+ out to DMM in current mode to D+ and then keep the D- connected to the driver- out.
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Old 06-23-2012, 04:25 AM #988
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

Unless my Vf isnt enough for it to buck properly.
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Old 06-23-2012, 04:35 AM #989
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

Unless my Vf isnt enough for it to buck properly.

no that's not it... I was saying unless my batteries are too low and not inputing enough current I guess. I spent a ton on batteries IMR's even the 14500's output huge current so I dont think it is a battery issue. I dont even look at the ultrafire/trustfires anymore(Junk for these builds).
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445nm 2.5W+ G-2 H1600 in a copper axis 1800ma Mogasm linear 2x AR16340's in a guidesman
445nm 9mm Blitzbuck V3 2.8A Saik 2.9W
445 800mw 9mm in a RHD MOD9 a pollished stainless auraura sh-032 667ma benboost
450nm Osram PL450 301mw in a powerlight B50 Host 400ma microboost
450nm Osram PLTB450 1.7W in a Bigboy Host 1650ma FMT driver
532nm 80mw DPSS DIY info to follow
532nm 50mw DPSS module LASERSMAN Freeby review to follow...
638nm mits300 671ma 500mw C6 cree
638nm mits500 WF-501B 1150mw
638nm mits500 C2 1450ma X-drive 1100mw
685nm 29ma mogasm linear 17mw C6 Cree Aurora
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Old 06-23-2012, 08:54 AM #990
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

Quote:
Originally Posted by Kizdawg View Post
Unless my Vf isnt enough for it to buck properly.

no that's not it... I was saying unless my batteries are too low and not inputing enough current I guess. I spent a ton on batteries IMR's even the 14500's output huge current so I dont think it is a battery issue. I dont even look at the ultrafire/trustfires anymore(Junk for these builds).
I have tested that driver of yours with Samsung 3000mAh from Larry,

It's outputting ~1950mA. But in boost mode. How are you trying to get it in Buck? Are you using two batteries???? That would certainly kill the driver. Max input voltage is 6V. And you need somewhere around 3.5A of input current for boosting from a single cell for a 445nm diode at 1.95A.

What is your setup exactly??
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Old 06-23-2012, 12:19 PM #991
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

On your driver i'm just using 1 samsung 18650 cel sorry I got confused there a min. it was on the blitzbucks I am using 2x 14500's,

Sorry I actually am happy with my lasers Your driver is fine Tom This all came about by me making the statement that I was getting better out of the h1600's than the 9mm Which I have retracted because I was comparing apples to oranges the setups are not the same therefore my statement is incorrect. I would have to be testing them under the exact same conditions for me to make that statement and probably test more than 4 diodes as well.
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405nm PHR-805T UniqueFire A10-B 100ma mogasm linear
405nm 600mw S06J C6 cree
445nm A140 1.35A 1.7W guidesman with G2
445nm 2.5W+ G-2 H1600 in a copper axis 1800ma Mogasm linear 2x AR16340's in a guidesman
445nm 9mm Blitzbuck V3 2.8A Saik 2.9W
445 800mw 9mm in a RHD MOD9 a pollished stainless auraura sh-032 667ma benboost
450nm Osram PL450 301mw in a powerlight B50 Host 400ma microboost
450nm Osram PLTB450 1.7W in a Bigboy Host 1650ma FMT driver
532nm 80mw DPSS DIY info to follow
532nm 50mw DPSS module LASERSMAN Freeby review to follow...
638nm mits300 671ma 500mw C6 cree
638nm mits500 WF-501B 1150mw
638nm mits500 C2 1450ma X-drive 1100mw
685nm 29ma mogasm linear 17mw C6 Cree Aurora

Last edited by Kizdawg; 06-23-2012 at 12:51 PM.
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Old 06-24-2012, 12:59 AM #992
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Default Re: FREE DIY open source BOOST driver!!! Tested & working!!

I'm not sure if we've decided definitively what the 9mms can take. I've run mine at 2A.

But really, they're just the same diode as the 5.6mms, so I'm not sure why anyone would approach a build any differently.

This is what set my goal so I dont think I was pushing the h1600 when 1800ma was recomended.

And if the forward voltage of the 9mm's is more then the current rating I was reading was out.
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405nm PHR-805T UniqueFire A10-B 100ma mogasm linear
405nm 600mw S06J C6 cree
445nm A140 1.35A 1.7W guidesman with G2
445nm 2.5W+ G-2 H1600 in a copper axis 1800ma Mogasm linear 2x AR16340's in a guidesman
445nm 9mm Blitzbuck V3 2.8A Saik 2.9W
445 800mw 9mm in a RHD MOD9 a pollished stainless auraura sh-032 667ma benboost
450nm Osram PL450 301mw in a powerlight B50 Host 400ma microboost
450nm Osram PLTB450 1.7W in a Bigboy Host 1650ma FMT driver
532nm 80mw DPSS DIY info to follow
532nm 50mw DPSS module LASERSMAN Freeby review to follow...
638nm mits300 671ma 500mw C6 cree
638nm mits500 WF-501B 1150mw
638nm mits500 C2 1450ma X-drive 1100mw
685nm 29ma mogasm linear 17mw C6 Cree Aurora

Last edited by Kizdawg; 06-24-2012 at 01:01 AM.
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