>
> > OK, how does this sound:
> >
> > I run all of my sensors off of the aux 5A v.reg and attach a small
> > heatsink (radioshack part # 276-1368) with thermal epoxy for good
> > measure. The main power is a a 9V 1A connected to the primary power
> > connector with a second 9V 1A source connected to one of the optional
> > power pins (7 or 8). This seems like a reasonable approach. I ran
> > three of the large sensors on the board with just a single 9V 1A
> > source with no apparent heat or performance problems. I have removed
> > the LEDs and switches on lines 5 and 6 and replaced them with header
> > pins to allow for 6 A2D lines. There are actually no servos involved
> > in this project. I am using the sensors and ooPIC-R for data
> acquisition.
> >
>
>
> I'm not sure how you would mount a heatsink but the PCB copper is
> already doing this job. I think you are overanalyzing a problem that
> doesn't exist. Even if you had 6 sensors at 50 mA each (AVG) you are
> only talking about 300 mA - with a 5A regulator. You're worried about
> a 5A regulator sourced with a 1A power supply.
>
> Hook 'em up and see if the regulator gets hot. I'll bet it doesn't.
>
> Richard
>
You can mount a heatsink (permanently) to any chip with thermal
epoxy - but I think that you are right, I should just fire the thing
up and see if it works.
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