modified 10 years ago

Retained Accessory Power

00:55:48

The top left switch represents the car key.
The bottom left switch represents a positive open door trigger.
This circuit has a lower parasitic power drain than the usual two or three relay solution and it keeps the accessory rail on even with the door open, as long as the key is in the ignition.  It seems like common sense, but some other solutions seem to forget it.

published 10 years ago

add comment in editor

EveryCircuit is an easy to use, highly interactive circuit simulator and schematic capture tool. Real-time circuit simulation, interactivity, and dynamic visualization make it a must have application for professionals and academia. EveryCircuit user community has collaboratively created the largest searchable library of circuit designs. EveryCircuit app runs online in popular browsers and on mobile phones and tablets, enabling you to capture design ideas and learn electronics on the go.