Semiconductor device for use in an ignition system of an internal combustion engine
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United States of America Patent
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May 10, 2016
Grant Date -
Sep 17, 2015
app pub date -
Feb 13, 2015
filing date -
Mar 14, 2014
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Abstract
A semiconductor device includes a power semiconductor element, a gate pull-down circuit which is connected to a gate terminal of the power semiconductor element, and a gate resistor which is connected between an input terminal of the semiconductor device and the gate terminal of the power semiconductor element. The gate pull-down circuit has a constant current circuit by which electric charges can be extracted from a gate capacitance of the power semiconductor element when a signal inputted to the input terminal has a low level. As a result, the semiconductor device has an improved switching speed and an improved noise resistance.
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