ADAPTIVE GATE DRIVER
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United States of America Patent
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Issued Date -
Jan 25, 2018
app pub date -
Jul 25, 2016
filing date -
Jul 25, 2016
priority date (Note) -
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Abstract
A device driver is described that includes an output stage and one or more control components. The output stage is configured to produce a gate driver output for driving a gate terminal of a semiconductor device, the output stage comprising a variable driving capability. The one or more control components are configured to obtain an indication of a rise time of the gate driver output during an initial switching cycle of the semiconductor device, and prior to a subsequent switching cycle of the semiconductor device, adjust, based on the indication of the rise time, a driving capability of the device driver from a first level to a second level. The one or more control components are further configured to cause the output stage to output the gate driver output at the second level of driving capability during the subsequent switching cycle of the semiconductor device.
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