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Is it OK if I use the controller from a CPU fan without connecting the motor's coils?

All I want is to use the Hall effect sensor.

The datasheet is posted here, the driving output circuit uses a darlington pair.

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I don't see from datasheet how to use hall sensor separately, but noone should die or explode if you would not connect the load (in the worst case you may connect some resistor as a tiny load).

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