Control circuit, semiconductor device, and electrical circuit device
AssigneesKabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
InventorsTatsunori Sakano, Kazuto Takao
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Abstract
According to one embodiment, a control circuit is connected to an element portion including a first element. The first element includes a first gate, a first collector, and a first emitter. The control circuit performs a first operation and a second operation. In at least a portion of the first operation, the control circuit causes a first current to flow from the first collector toward the first emitter. In at least a portion of the second operation, the control circuit causes a second current to flow from the first emitter toward the first collector. A first time constant of a switching of the first element in the first operation is different from a second time constant of a switching of the first element in the second operation.
Claims18
A control circuit comprising:
- a first element including a first gate, a first collector, and a first emitter;
- and
- circuitry configured to perform a first operation and a second operation,
- in at least a portion of the first operation, the circuitry causing a first current to flow from the first collector toward the first emitter,
- in at least a portion of the second operation, the circuitry causing a second current to flow from the first emitter toward the first collector,
- a first time constant for a rising of a switching of the first element in the first operation being different from a second time constant for a rising of a switching of the first element in the second operation, and
- a third time constant for a falling of the switching of the first element in the first operation being different from a fourth time constant for a falling of the switching of the first element in the second operation.
Dependencies are inferred from the claim text.