Electronic device operable to protect a power transistor when used in conjunction with a transformer
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United States of America Patent
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Apr 19, 2011
Grant Date -
Jun 25, 2009
app pub date -
Dec 19, 2007
filing date -
Dec 19, 2007
priority date (Note) -
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Abstract
An electronic device can be used with a system, such as an ignition system, that operates a relatively high voltage. The device can include a signal clamping control module that can include a signal reference module and a feedback control module. The signal reference module is operable to provide a reference signal to the feedback control module. The feedback control can be configured to receive a scaled signal from a signal scaling module, wherein the scaled signal is representative of a signal at a current carrying electrode of a power transistor. Based on the comparison of the reference signal to the scaled signal, the measurement module provides one or more signals to a control signal drive module. The feedback control module provides a control electrode signal to a control electrode of the power transistor.
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