The 2n3904/6 are rated at 0.2A max, so they obviously won't work.solenoid as 4 ohms, which at face value should require 3 amps at 12V
Why you think that's better than what has been posted?As title says 'best way to enable', you are missing the action of enable on the upper FETs (yes not matters much in practice, but you want the best way) see L298 block diagram.
Since the power is +12V, when you using the N type for the upper driver and then the Vgs = 12V+3V = 15V, where can you get 15V, please suggest a method?The user is controlling a solenoid, i think it should use N fets for upper too, I think its more safe than to have the gate of a pfet in the flow circuit of a device generating collapsing field spikes.
The collapsing field just tends to keep the current flowing in the solenoid.I think its more safe than to have the gate of a pfet in the flow circuit of a device generating collapsing field spikes.
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