DETAILED DESCRIPTION
I've wanted to build my own power supply for years. I've seen several designs on the Internet, but they all leave me dissappointed in one area or another. So, I thought with circuit maker I'd have another go at trying to decide what I want, and play around with several ways to get it done.
For example, I know I want a 30V output, but do I simply want to go with 10A out? And what is the load for that 10A? 1Ω or 1KΩ? (I realize that 10A into a 1Ω load is pretty impractical, from either the stand point of it being a HUGE power resistor at 1Ω, or the fact that I'd need a power supply that puts out 300W! For a Home Lab?!)
There are also the issues of whether to make one that is Linear or Switching. I'm more partial to the Linear Power Supplies, but know that that may not be the best way to go if size is a factor. And Switchers noise might be of concern if I want to have digital control and monitoring.
Then I'd like to have multiple outputs. Four should do nicely. But if I want Voltage and Current Limiting that could become to much for me to manage. I want a digital display of each of the Outputs, but should I simply rely on the old 7-Seg LED, or go with a Graphical display so as to program other output info like actual current and voltage as well as set points? Power output and indications of limiting? Do I go with push type buttons or rotary linear encoders to adjust input values? How fine a control do I want? 1V? 0.1V? 0.01V? What about Current control? 1A steps? 0.1? 0.001? Etc, etc.
It's become so overwhelming that I've just simply put it off so I don't have to put up with it. Yet, I still think about it now and then. So, this project will be a kind of sounding board to put together some thoughts and design ideas to start actually moving forward, and realizing my goal.
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