REFERENCE VOLTAGE GENERATOR OF GATE DRIVING CIRCUIT AND REFERENCE VOLTAGE GENERATING METHOD
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Mar 11, 2013
filing date -
Dec 14, 2012
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Abandoned
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Abstract
A reference voltage generator of a gate driving circuit is provided. The reference voltage generator includes a temperature sensing unit, a level clamp unit, a gain adjusting unit and a computing circuit. The temperature sensing unit generates a temperature sensing voltage in response to an environmental temperature. The level clamp unit is coupled to the temperature sensing unit and providing a difference signal in response to the temperature sensing voltage. The gain adjusting unit is used to provide a temperature compensating gain and a first reference level. The gain adjusting unit adjusts the temperature compensating gain and the first reference level according to a control command. The computing circuit is coupled to the level clamp unit and the gain adjusting unit to provide a reference voltage in response to the temperature compensating gain, the first reference level and the difference signal.
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