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1

Your problem is for your Opamp. As I see, your RC value is 100nF and 1MOhms is 0.1 seconds, and your plot is a nice 1/0.1s+1 plot. So everything is OK based on your circuit. if you want to increase speed, lower C or R to get a better speed. Your 500 ms delay is a 5 time of time constant of this circuit, which is also shows me that it's a first order ...


0

Considering the whole schematic I think the filled dots (you encircled in blue) are nets that go to a test points I think they correspond with the tiny round pads on the back side of the PCB, but I cannot confirm this by visual inspection only) Typically, label these nets would have been labeled on a schematic. the open dots (e.g the one labelled VUSB) are ...


2

To turn off that FET, the gate driver Vout needs to be up at 24 volts. This circuit does not provide that.


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