Honeywell International Inc.

Larry L Galey

Dale A Trumbo

Steven A Lei

Methods and apparatus are provided for driving an ignition exciter unit. An apparatus is provided for a driver circuit for use with an ignition exciter unit, the driver circuit having an input terminal and an output terminal. A first current-protected circuit is coupled to the input terminal and the output terminal, wherein the first current-protected circuit is current-limited. A second current-protected circuit coupled to the input terminal and the output terminal. The driver circuit further comprises a controller coupled to the first current-protected circuit and the second current-protected circuit. The controller is configured to activate the first current-protected circuit for a first time interval and activate the second current-protected circuit after the first time interval and prior to when the ignition exciter unit begins operating.

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Tucson, AZ, United States of America

Larry L Galey