Driving Seoul P7 with flupic?

[Russki]

Can someone confirm that driving Seoul P7, with regular flupic (1Amp max) have any adventage then driving CreeR2 or SeoulU2?
I was under impression, that one must drive Seoul P7 much harder to get increase in brightness.
Any Lm. Estimate on different levels?
Thanks folks for you help.

 

[Evil Twin]

I don't think you would get any benefit of choosing the P7 over a Cree if you are only going to run it with 1 amp... Especially since the P7 costs more than the Cree/Seoul.

Most setups for the P7, that I've seen, are running them at about 2.8 amps. Running the P7 at this level will give you about 700-900 lumens, but I'm not sure what you would get with a P7 from only running it at 1 amp.

 

[TexLite]

The latest bins available from Cree (R2) and SSC (U2) output around 280 lumens at 1000ma.280 lumens,1000ma,3.6 watts total,77.76 Lm/W.

An SSC P7 (C bin) should be around 320 lumens at the same drive current(1000ma).320 lumens,1000ma,3.2 Vf,3.2 watts total,100 Lm/W.

As current increases,the gap would widen.The multi-chip emitters can by nature handle more current more effeciently.

So,would you see an increase?
Yes.

Is the increase worth the difference (cost/package size/beam pattern)?
Thats a personal preference,to some it is.

Thanks,
Michael

 

[datiLED]

FWIW, the standard Flupic is 1.2A on it's max brightness setting.

The 1A max Flupic is for the Seoul P4 LED to keep it at it's safe maximum current rating.

 

[Russki]

So, I guess to see some difference you have to drive it at list with 1000 mA.
Lowering current to 500 will kill difference at all.
I want to try this Led, but can't find real use for it, because all my lights no more then 800 mA.
Thank you guys for input.
:thumbsup: