DRIVER DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Apr 21, 2022
filing date -
Apr 21, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An object is to provide a technique capable of optimizing the turn-on speed. A driver device includes a gate drive circuit power supply capable of changing an output voltage; a power supply having a fixed voltage lower than the output voltage; a control unit that changes the output voltage of the gate drive circuit power supply on the basis of related information related to a load current of the semiconductor switching element; and a delay circuit that, when the gate drive signal is turned on, performs control to supply the fixed voltage to a gate of the semiconductor switching element for a predetermined period, and then performs control to supply the output voltage to the gate.
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