24vdc current boost?
Your idea is correct, you are going to want a capacitor near the coil to provide the initial large current spike needed to drive it. This is a decoupling capacitors job in many other applications and is no different here. This should function as you describe, A similar circuit is used to drive pneumatic solenoids in paintball guns. pull the gate of M2 low to charge the cap, once it has been given enough time to charge up, then pull the gate of M4 low, this will shove current through the coil and allow it to close. This will decouple the solenoid from the power supply. M2 may also be omitted. And also be sure that the gates are biased with a resistor to the source voltage (24V) so when it is pulled low the mosfet will actually turn on. This is nothing but a rough sketch and may need other support circuitry for robustness, so I would read up on driving inductive loads and solenoids in genral. Hope this helps!







simulate this circuit &ndash; Schematic created using CircuitLab