Can nFlex drive 4 x Cree Q4 at 1A?

[TomBrown]

I'd like to swap drivers in a Romisen RC-T5 ( 4 x Cree LED, 2 x 18650) light.

It seems obvious to use a boost driver(nFlex) with all four LEDs in series instead of 2 buck drivers driving 2 parallel series of 2 LEDs.

Am I missing something? Why are the other modders using a pair of bFlex drivers? Is there an advantage to that?

 

[Mel_PL]

I'd like to swap drivers in a Romisen RC-T5 ( 4 x Cree LED, 2 x 18650) light.

It seems obvious to use a boost driver(nFlex) with all four LEDs in series instead of 2 buck drivers driving 2 parallel series of 2 LEDs.

Am I missing something? Why are the other modders using a pair of bFlex drivers? Is there an advantage to that?

nFlex is not a boost driver; MaxFlex is.
Both can drive up to 1200 mA.

-- M.

 

[TomBrown]

Thank you.

 

[VidPro]

Why are the other modders using a pair of bFlex drivers? Is there an advantage to that?

the bflex is small and round, the nflex is rectangular and will fit in a D-cell light. so that is one concideration when building that might be concidered, if its fits in the tube.
for anything with the space, and the intial input voltage , the nflex is great.