Control unit for operating a safety system for a vehicle and method for operating such a safety system for a vehicle
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United States of America Patent
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Dec 29, 2015
Grant Date -
May 2, 2013
app pub date -
Mar 10, 2011
filing date -
May 4, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
In a control device and a method for operating a safety system for a vehicle, a step-up converter is fashioned as a switching converter which converts an input voltage derived from a vehicle battery voltage into a higher charge voltage at its output. In addition, at least one energy reserve storage device is provided that is charged by the charge voltage for the operation of the safety system in an autarkic mode. Between the step-up converter and the at least one energy reserve storage device there is connected a charge current source that is programmable during operation and that defines a charge current for the at least one energy reserve storage device as a function of its programming.
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