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US 9,755,639 B2Granted
Device and method for an electronic circuit having a driver and rectifier
AssigneeInfineon Technologies Austria AG
InventorsSeverin Kampl, Matteo-Alessandro Kutschak
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Abstract
In accordance with an embodiment, a method includes driving a transistor device by a driver having an output coupled to a control node of the transistor through a capacitor and limiting a magnitude of a voltage of one polarity between the control node and a first load node of the transistor device by a rectifier circuit.
Claims29
An electronic circuit, comprising:
- a transistor device comprising a control node and a first load node;
- a driver having an input configured to receive an input signal and at least one output comprising a first output configured to provide a first drive signal based on the input signal, and a second output configured to provide a second drive signal based on the input signal;
- a capacitor coupled between the at least one output and the control node of the transistor device, wherein each of the first output and the second output is coupled to the capacitor;
- and
- a rectifier circuit connected between the first load node and the control node of the transistor device.
2 more elements
A drive circuit, comprising:
- an output comprising a first output node configured to be connected to a gate node of a transistor device and a second output node configured to be connected to a first load node of the transistor device;
- a driver having an input configured to receive an input signal and at least one output configured to provide a drive signal based on the input signal, wherein the driver comprises a first output configured to provide a first drive signal based on the input signal and a second output configured to provide a second drive signal based on the input signal;
- a capacitor coupled between the at least one output of the driver and the first output node, wherein each of the first output and the second output is coupled to the capacitor;
- and
- a rectifier circuit connected between the second output node and the first output node.
2 more elements
A method, comprising:
- driving a transistor device by a driver having an output coupled to a control node of the transistor device through a capacitor, wherein the driver is configured to provide a drive signal at the output based on an input signal, the driver comprises a first output configured to provide a first drive signal based on the input signal and a second output configured to provide a second drive signal based on the input signal, and each of the first output and the second output is coupled to the capacitor;
- and
- limiting a magnitude of a voltage of one polarity between the control node and a first load node of the transistor device by a rectifier circuit.
Dependencies are inferred from the claim text.