Electronic device operable to protect a power transistor...

Details Electronic device operable to protect a power transistor... Electronic device operable to protect a power transistor...

2011-04-19

2011-04-19

Fureman, Jared J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

C361S056000, C361S086000, C361S091100

Reexamination Certificate

active

07929266

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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B. Van Zeghbroeck, Bipolar Power Devices, Principles of Semiconductor Devices, pp. 1-5, copyright 2004.

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