Hi all,
Sorry but I'm useless when it comes to these electronics formulas to calculate stuff. I have a 12v CarPC connected to an ignition switched circuit. I want to give the PC about 5 mins of power after the ignition is turned off and so I think the simplest solution would be a 12v capacitor. I want to potentially keep the PC powered if I turn off the PC at a petrol station or at quick stops. Additionally, the reason for connecting to the ignition is that if the CarPC did not shut down correctly, it previously continued to drain the battery when directly connected.
So basically, a 12v device running a load of about 2 amps, what size in Farad's of a 12v Capacitor would give me about 5 mins of power after the ignition is turned off ?
Sorry but I'm useless when it comes to these electronics formulas to calculate stuff. I have a 12v CarPC connected to an ignition switched circuit. I want to give the PC about 5 mins of power after the ignition is turned off and so I think the simplest solution would be a 12v capacitor. I want to potentially keep the PC powered if I turn off the PC at a petrol station or at quick stops. Additionally, the reason for connecting to the ignition is that if the CarPC did not shut down correctly, it previously continued to drain the battery when directly connected.
So basically, a 12v device running a load of about 2 amps, what size in Farad's of a 12v Capacitor would give me about 5 mins of power after the ignition is turned off ?