GaN circuit drivers for GaN circuit loads
First Claim
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1. An electronic circuit, comprising:
- a substrate comprising GaN;
a power switch formed on the substrate and including a first control gate and a first source; and
a drive circuit formed on the substrate and comprising;
a plurality of transistors, wherein all of the transistors of the drive circuit are of the same conductivity type,an output coupled to the first control gate, anda power supply having a supply voltage and coupled to the drive circuit,wherein the output of the drive circuit can be driven to the supply voltage.
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Abstract
An electronic circuit is disclosed. The electronic circuit includes a substrate having GaN, and a power switch formed on the substrate and including a first control gate and a first source. The electronic circuit also includes a drive circuit formed on the substrate and including an output coupled to the first control gate, and a power supply having a supply voltage and coupled to the drive circuit, where the output can be driven to the supply voltage.
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Citations
31 Claims
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1. An electronic circuit, comprising:
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a substrate comprising GaN; a power switch formed on the substrate and including a first control gate and a first source; and a drive circuit formed on the substrate and comprising; a plurality of transistors, wherein all of the transistors of the drive circuit are of the same conductivity type, an output coupled to the first control gate, and a power supply having a supply voltage and coupled to the drive circuit, wherein the output of the drive circuit can be driven to the supply voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An electronic component comprising:
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a package base; at least one GaN-based die secured to the package base and including an electronic circuit comprising; a power switch formed on the at least one GaN-based die and including a first control gate and a first source; and a drive circuit formed on the at least one GaN-based die, the drive circuit comprising; a plurality of transistors, wherein all of the transistors of the drive circuit are of the same conductivity type, an output coupled to the first control gate, and a power supply having a supply voltage and coupled to the drive circuit, wherein the output of the drive circuit can be driven to the supply voltage. - View Dependent Claims (28, 29, 30)
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31. A method of operating a GaN-based circuit, the method comprising:
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receiving a signal with a drive circuit; processing the signal with the drive circuit; and transmitting an output signal to a control gate of a switch, wherein the drive circuit and the switch are disposed on a unitary GaN substrate, and wherein the drive circuit comprises; a plurality of enhancement mode transistors, and at least one current conducting element, an output coupled to the first control gate, and a power supply having a supply voltage and coupled to the drive circuit, wherein the output of the drive circuit can be driven to the supply voltage, and wherein the drive circuit does not include any depletion mode transistors and does not include transistors of differing conductivity types.
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Specification