Soft IGBT turn-on ignition applications

Internal-combustion engines – High tension ignition system – Power supply – ignition coil primary – and interrupter element...

Reexamination Certificate

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Details

C123S652000, C123S653000, C123S655000

Reexamination Certificate

active

07080639

ABSTRACT:
A circuit for controlling an ignition coil is provided. The circuit includes a first transistor, second transistor, and a capacitor. The first transistor is connected in electrical series between the ignition coil and a voltage reference. The capacitor is connected between the ignition coil and a control input of the first transistor. The second transistor is configured to selectively connect the capacitor to the voltage reference.

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