Patent ID: 6883509

Claim:
An ignition coil with integrated coil driver and ionization detection circuitry, comprising: an ignition coil having a primary winding and a secondary winding; an ignition plug operably connected between a second end of said second winding and ground; a coil driver circuit operably connected to said primary winding of said ignition coil and mounted on said ignition coil; and an ionization detection circuit operably connected to said secondary winding of said ignition coil and mounted on said ignition coil, wherein said ionization detection circuit comprises: a capacitor having a first end operably connected to a first end of a diode, wherein a second end of said diode is operably connected to a second end of said primary winding; and a current mirror having a first terminal operably connected to a first end of said secondary winding and a second terminal operably connected to said first end of said capacitor.