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by maxerickson
1162 days ago
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Oh, the Bluetooth thing was just an aside about not caring about having communications on the same cable as power for higher power devices, I don't think it's very relevant to power tools. My point was more about not having the higher power delivery implementation tied to a complicated, relatively expensive, high speed data bus. The reason stuff doesn't do any reporting is that people mostly don't care and it would add some small incremental cost, it's not a big mystery. |
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The reason most DC power delivery systems failed to be general purpose was that unless you pick some not very useful lowest common denominator voltage you need some sort of data bus to request/negotiate/handshake voltage for each device. If you are already building in a data bus into your power delivery lines you might as well give it some speed so that you could run other communications over it, at which point you likely just wind-up reinventing something like USB if you are planning a "simple, dumb DC power delivery standard".