hi fb,There are 3 N channel mosfets and 1 P channel mosfets
Thanks for the simulation- it looks like our posts crossed. I'll take another look at your simulation.hi fast,
Here is the function of the circuit, I would for sure the Relay is Latching.
Note the current reversal.
@fastbike
E
View attachment 232924
Nice, I did not catch that feature, so hats off to the original designer.hi fast,
The original circuit is exclusive, either A or B but NOT A&B or /A&/B
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