Electronics > Beginners

DC/DC converter with uC interface

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aix:

--- Quote from: Simon on May 06, 2019, 10:25:07 am ---i tried looking for the datasheet for the controller. It's very vague and does not even explain the chip. I am not sure what they mean by single phase motor.

--- End quote ---

Yeah, that datasheet is a bit of an enigma.  I found several versions branded by different manufacturers but they're all equally mysterious (basically copies of each other).

Simon:
Yes they are all identical copies.

aix:
In any event, I won't necessarily be expecting the next fan I use to have the same circuitry (even if it's identical on the outside). :)

Simon:
Ah, well this is your problem. They are rated for 12V one may go down to 3V, another may not.

aix:

--- Quote from: Simon on May 06, 2019, 10:34:45 am ---Ah, well this is your problem. They are rated for 12V one may go down to 3V, another may not.

--- End quote ---

That I am happy to live with.  It's not a commercial product; I will be the only user and won't mind recalibrating the voltage limits in software when I get a new fan.

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