On 6 Oct 2014 at 16:21, John Lussmyer via EV wrote:
> The fan on the heatsink doesn't seem to be enough when I'm
> drawing a lot of 12V power. (blower, lights, brakes, etc..)
I'm not an engineer, but I think one of the problems with using multiple
DC:DC converters is balancing the load. You mig
I never ran it at the loads you're pulling,
but if that's a concern you could go up in size. You probably have room
for that in your truck. I didn't in my car.
Chris
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Have you measured the temp on any of the units? It is possible that one
of the bricks is not behaving. Failing that, you might want to redo the
heatsink with some serious extruded aluminum.
Cheers!
On 10/6/14, 4:21 PM, John Lussmyer via EV wrote:
I think I'm going to have to figure out how
I think I'm going to have to figure out how to water cool my DC-DC.
I built this one using 4 Vicor 20A bricks to get a 80A capable unit.
It all fits on the back of a 6" square 2" thick heatsink with a 6" fan on it.
I'm noticing that when I'm running 40A continuous load, the output starts
becomin
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