Waveform conversion circuit for gate driver
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United States of America Patent
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Jul 9, 2019
Grant Date -
Jan 11, 2018
app pub date -
Jul 6, 2016
filing date -
Jul 6, 2016
priority date (Note) -
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Abstract
A waveform conversion circuit for turning a switch device on and off by applying a control signal from a controller to a gate terminal of the switch device is provided. The switch device has the gate terminal, a drain terminal, and a source terminal. The waveform conversion circuit includes a parallel circuit of a first capacitor and a first resistor and a voltage clamp unit. The parallel circuit is coupled between the controller and the gate terminal. The voltage clamp unit is coupled between the gate terminal and the source terminal and configured to clamp a voltage across the gate terminal to the source terminal at a first voltage in an OFF pulse of the control signal and at a second voltage in an ON pulse of the control signal.
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