Method for testing a supply circuit, and a corresponding supply circuit for at least one ignition circuit
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United States of America Patent
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Nov 1, 2016
Grant Date -
Dec 17, 2015
app pub date -
May 28, 2013
filing date -
Jun 27, 2012
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Abstract
In a method for testing a supply circuit for an ignition circuit having at least one energy accumulator, a first conversion circuit that raises a supply voltage to a specified voltage level and charges the at least one energy accumulator, a controllable discharging circuit that discharges the at least one energy accumulator as needed, the energy accumulator is connected via a first coupling diode to the ignition circuit, and the supply voltage is applied via a second coupling diode to the at least one ignition circuit. Following the system start-up, a state of charge of the at least one energy accumulator is ascertained and compared to the at least one specified threshold value, and as a function of the comparison, a faultless supply circuit or at least one fault is recognized.
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