LuxV vs MC-E questions

FredM · Sep 30, 2008

The LuxV was setup in a 2S2P config correct? So any driver that will work for a LuxV will also work for a Cree MC-E in a 2S/2P setup?

How different will the heat sink need to be going from the LuxV to the MC-E?

Gunner12 · Sep 30, 2008

I don't know for sure but it should be possible to wire a MC-E in 2S2P and power it off a LuxV driver.

Heatsink need should be less because the MC-E is more efficient.

FredM · Sep 30, 2008

what about the footprint of the LuxV vs the MC-E? Pretty similar sized or totally different?

Gunner12 · Sep 30, 2008

I think the MC-E is the same size as the XR-E, so it will have a larger footprint.

LukeA · Sep 30, 2008

FredM said:
what about the footprint of the LuxV vs the MC-E? Pretty similar sized or totally different?

LuxV has same footprint as LuxI, MC-E has same footprint as XR-E.

HarryN · Oct 3, 2008

Hi - I am a long time fan of the Lux V, but the Cree part does look interesting. Any links to the Vf of that part ? It does not look like Cree specs Vf, which is a big deal to my method of building lights.

Thanks

Harry

NetKidz · Oct 3, 2008

FredM said:
what about the footprint of the LuxV vs the MC-E? Pretty similar sized or totally different?

(Left to Right: P7/MC-E/XR-E/GDP/LuxV)

Nitroz · Oct 3, 2008

NetKidz said:
(Left to Right: P7/MC-E/XR-E/GDP/LuxV)

Very nice collection!

Does the MC-E magnify the dice with the dome? If so, I imagine the reflector needed is quite different than the P7.

What are your findings using the MC-E?

LukeA · Oct 4, 2008

HarryN said:
Hi - I am a long time fan of the Lux V, but the Cree part does look interesting. Any links to the Vf of that part ? It does not look like Cree specs Vf, which is a big deal to my method of building lights.

Thanks

Harry

Seems to be about 3.2V per die at 700mA.

Cree doesn't list the MC-E Vf because the dies are individually addressable. It can be 12.8V@700mA, [email protected], or [email protected].

TexLite · Oct 4, 2008

The Vf for the MC-E isn't listed because Cree dosent bin for Vf.

They list the Vf as a range,even on the single die emitters.

MC-E Vf range below;

-Michael

LuxV vs MC-E questions

FredM

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Gunner12

Flashaholic

FredM

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Gunner12

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LukeA

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HarryN

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NetKidz

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Nitroz

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LukeA

Flashlight Enthusiast

TexLite

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