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QEBIDUL LM2965 Buck Converter Case

by benebrady Oct 15, 2018
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Just stopping by to say when choosing a case for my buck converter, I had to skip this because it has zero ventilation holes. Now it depends what you'll use it for, but these things tend to get hot, especially if you're gonna use it on a RPI that can use up to 3 amps. If you added some ventilation holes I'd totally get this.

Changes made... Enjoy

Damn, that was lightning fast! Will print it ASAP. Thank you!

I think I know why yours isn't heating that much. Just noticed you said yours is 5A and that was weird because mine's 2A (I'm using this one to power a 12V noctua fan so 2A is plenty), but then I looked closely and saw yours is a bit different: it's got the same dimensions and color and most of the things are the same, but it's got a coil and a heatsink, and this would make sense now why it doesn't heat up. I'll order one of these right away.
Anyways, the converter that was overheating while powering my RPI was another one - similar to this one but without the display, and it's 3A. 3A should be enough for RPI but it seems like it's pushing it, and if you're planning to run Octoprint 24/7 that might be a bit worrying. Safety matters!
So if anyone's reading this and wants to power their RPI with a buck converter, spend a buck more and order the one that OP has in the pics above:)
Anyways, sorry for the rant!

I'll be glad to add some ventilation holes, but I've been using in on my P3B+ for months without any problems at all.