What would you think of this driver for a C8 XM-L?

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how crazy is this
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What would you think of this driver for a C8 XM-L?

This is what I think would be nearly an ideal driver for a C8 based XM-L. Interested in

A. Is there something better or close that is readily available?

B. Would someone be interested in building this for me and how much would it cost?

Here is what I want:

Double click it comes on to something like 18 mA. Good for moving around dark house without waking SWMBO. Half click goes up to something like 80 to 100 mA. Reasonably good general purpose light.

Single click goes to 500 mA. Nice bright light with reasonable run time. half click goes up to about 1.5A, half click to 2.8A

This would give me 3 useful bright modes and 2 useful low modes. From what I see it appears to line up pretty good efficiency wise with the XM-L graph that Match posted.

What do you think?

Wade

Vectrex
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I don't know any budget driver, that has a click counter integrated.

Maybe you too, want to take a look at the good driver list.

krisirk
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You could program a driver (this thread) with the modes in order from lowest to highest.

 

Kris

how crazy is this
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Not ready to program a driver yet;-) Heck, I'm not even sure I'm ready to swap one;-) Looked at the good driver list and it looks like the one with the programmable Atiny might be the best currently available. I may have to go that route.

I just thought that perhaps there would be something out there that would come close or that there would be a lot of interest in getting one if someone were to build it.  All I want is something that really safely brings out the best in the XM-L while at the same time giving various useful light levels balanced with run time and one simple very low.

 

Wade

krisirk
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To be honest, I haven't programmed any drivers yet either.  Though, today I received my AVRISP MKII programmer from DigiKey.  Maybe this weekend I'll try flashing the program from the thread I linked in my previous post.  The driver I'll first try this on is a NANJG 105C with 8x 7135 linear drivers (2.8A @ 100%).

 

The driver from this thread uses 4x 7135 linear drivers (1.4A @ 100%) and gives 5%, 30%, and 100% outputs, which I think would be pretty good for general use.  It also looks to be an Attiny13A, which could be reprogrammed in the future.

 

Kris

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Vectrex wrote:

I don't know any budget driver, that has a click counter integrated.

Maybe you too, want to take a look at the good driver list.

Bad link.

"You are making progress if each mistake you make is a new one."

Remember - Most great discoveries start with maki