Hello all,
I am trying to simulate in LTSpice a circuit which contains a Hall effect current sensor (ACS758 for that matter). I don't have its model, but the simulation doesn't need to cover all the corner cases, even a simplified model would be enough:
There is a 100uOhm resistor R. The voltage drop across it should produce isolated voltage 2.5V+40[mV/A]*I(R).
I can handicraft an opamp-based network which does more or less what needed, but I consider it to be a workaround. So, what is the simplest way to express such a circuit in LTSpice? The "voltage" library node doesn't contain the "expression" mode or whatever its name should be. Is there a four-terminal abstract block to do this kind of transformations?
Best regards, Piotr