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Battery Power for Raspberry Pi #7
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indeed! def. need to think about this. I know you have some ideas :-) On Thu, Jan 31, 2013 at 6:01 PM, dwblair notifications@github.com wrote:
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What would be great is a proper step-down DC to DC converter for the Raspberry that can handle 6-14V input from a solar battery. Most 12V to 5V USB converter are horrible inefficient and have a tendency to fry your USB measuring equipment. |
Andreas -- good call, absolutely! For this purpose, I was looking at the following part: http://www.ti.com/lit/ds/symlink/lm2576.pdf I think it might do the trick? On Fri, Feb 1, 2013 at 7:55 AM, Andreas Trawoeger
voice / SMS: +1-651-252-4765 |
Oh wait -- I don't think that part quite covers the relevant input range. On Fri, Feb 1, 2013 at 9:27 AM, Don Blair donblair@gmail.com wrote:
voice / SMS: +1-651-252-4765 |
So, the part I mentioned above: http://www.ti.com/lit/ds/symlink/lm2576.pdf I was thinking that it'd be neat to have the ability to use e.g. a rechargeable LiPo battery of around 3.7 V, like the ones that are sold on Adafruit: http://www.adafruit.com/products/328 For handing lower voltage inputs like that, and for still being able to output up to 1.5 A (I think this will be enough for the R-Pi + peripherals?), I found these parts: The latter part seems to be an upgrade of the widely-used former part. Will look online to see if anyone has any comments about using either of these parts with the R-Pi (if they're appropriate at all for this purpose!) ... |
This discussion: http://www.raspberrypi.org/phpBB3/viewtopic.php?f=40&t=33498 Led me to this product: http://www.hobbyking.com/hobbyking/store/__15212__HobbyKing_Micro_UBEC_3A_5v.html Not yet sure whether it's appropriate for powering a Pi ... |
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