Patents by Inventor James Honea
James Honea has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20140042495Abstract: An electronic component includes a high-voltage depletion-mode transistor and a low-voltage enhancement-mode transistor both encased in a single package. A source electrode of the high-voltage depletion-mode transistor is electrically connected to a drain electrode of the low-voltage enhancement-mode transistor, a drain electrode of the high-voltage depletion-mode transistor is electrically connected to a drain lead of the single package, a gate electrode of the low-voltage enhancement-mode transistor is electrically connected to a gate lead of the single package, a gate electrode of the high-voltage depletion-mode transistor is electrically connected to an additional lead of the single package, and a source electrode of the low-voltage enhancement-mode transistor is electrically connected to a conductive structural portion of the single package.Type: ApplicationFiled: October 18, 2013Publication date: February 13, 2014Applicant: Transphorm Inc.Inventors: Primit Parikh, James Honea, Carl C. Blake, Jr., Robert Coffie, Yifeng Wu, Umesh Mishra
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Patent number: 8624662Abstract: An electronic component includes a high-voltage depletion-mode transistor and a low-voltage enhancement-mode transistor both encased in a single package. A source electrode of the high-voltage depletion-mode transistor is electrically connected to a drain electrode of the low-voltage enhancement-mode transistor, a drain electrode of the high-voltage depletion-mode transistor is electrically connected to a drain lead of the single package, a gate electrode of the low-voltage enhancement-mode transistor is electrically connected to a gate lead of the single package, a gate electrode of the high-voltage depletion-mode transistor is electrically connected to an additional lead of the single package, and a source electrode of the low-voltage enhancement-mode transistor is electrically connected to a conductive structural portion of the single package.Type: GrantFiled: February 5, 2010Date of Patent: January 7, 2014Assignee: Transphorm Inc.Inventors: Primit Parikh, James Honea, Carl C. Blake, Jr., Robert Coffie, Yifeng Wu, Umesh Mishra
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Publication number: 20130320939Abstract: Power switching circuits including an inductive load and a switching device are described. The switches devices can be either low-side or high-side switches. Some of the switches are transistors that are able to block voltages or prevent substantial current from flowing through the transistor when voltage is applied across the transistor.Type: ApplicationFiled: August 5, 2013Publication date: December 5, 2013Applicant: Transphorm IncInventors: James Honea, Yifeng Wu
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Publication number: 20130249622Abstract: A half bridge is described with at least one transistor having a channel that is capable in a first mode of operation of blocking a substantial voltage in at least one direction, in a second mode of operation of conducting substantial current in one direction through the channel and in a third mode of operation of conducting substantial current in an opposite direction through the channel. The half bridge can have two circuits with such a transistor.Type: ApplicationFiled: May 3, 2013Publication date: September 26, 2013Applicant: TRANSPHORM INC.Inventors: James Honea, Yifeng Wu
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Patent number: 8531232Abstract: Power switching circuits including an inductive load and a switching device are described. The switches devices can be either low-side or high-side switches. Some of the switches are transistors that are able to block voltages or prevent substantial current from flowing through the transistor when voltage is applied across the transistor.Type: GrantFiled: September 14, 2012Date of Patent: September 10, 2013Assignee: Transphorm Inc.Inventors: James Honea, Yifeng Wu
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Patent number: 8508281Abstract: A half bridge is described with at least one transistor having a channel that is capable in a first mode of operation of blocking a substantial voltage in at least one direction, in a second mode of operation of conducting substantial current in one direction through the channel and in a third mode of operation of conducting substantial current in an opposite direction through the channel. The half bridge can have two circuits with such a transistor.Type: GrantFiled: June 20, 2011Date of Patent: August 13, 2013Assignee: Transphorm Inc.Inventors: James Honea, Yifeng Wu
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Patent number: 8493129Abstract: Power switching circuits including an inductive load and a switching device are described. The switches devices can be either low-side or high-side switches. Some of the switches are transistors that are able to block voltages or prevent substantial current from flowing through the transistor when voltage is applied across the transistor.Type: GrantFiled: September 14, 2012Date of Patent: July 23, 2013Assignee: Transphorm Inc.Inventors: James Honea, Yifeng Wu
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Publication number: 20130009692Abstract: Power switching circuits including an inductive load and a switching device are described. The switches devices can be either low-side or high-side switches. Some of the switches are transistors that are able to block voltages or prevent substantial current from flowing through the transistor when voltage is applied across the transistor.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: TRANSPHORM INC.Inventors: James Honea, Yifeng Wu
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Publication number: 20130009613Abstract: Power switching circuits including an inductive load and a switching device are described. The switches devices can be either low-side or high-side switches. Some of the switches are transistors that are able to block voltages or prevent substantial current from flowing through the transistor when voltage is applied across the transistor.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: Transphorm Inc.Inventors: James Honea, Yifeng Wu
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Patent number: 8289065Abstract: Power switching circuits including an inductive load and a switching device are described. The switches devices can be either low-side or high-side switches. Some of the switches are transistors that are able to block voltages or prevent substantial current from flowing through the transistor when voltage is applied across the transistor.Type: GrantFiled: September 9, 2009Date of Patent: October 16, 2012Assignee: Transphorm Inc.Inventors: James Honea, Yifeng Wu
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Publication number: 20120218025Abstract: An electronic component comprising a half bridge adapted for operation with an electrical load having an operating frequency is described. The half bridge comprises a first switch and a second switch each having a switching frequency, the first switch and the second switch each including a first terminal, a second terminal, and a control terminal, wherein the first terminal of the first switch and the second terminal of the second switch are both electrically connected to a node. The electronic component further includes a filter having a 3 dB roll-off frequency, the 3 dB roll-off frequency being less than the switching frequency of the switches but greater than the operating frequency of the electrical load. The first terminal of the filter is electrically coupled to the node, and the 3 dB roll-off frequency of the filter is greater than 5 kHz.Type: ApplicationFiled: February 23, 2012Publication date: August 30, 2012Applicant: TRANSPHORM INC.Inventors: James Honea, Yifeng Wu
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Publication number: 20110249477Abstract: A half bridge is described with at least one transistor having a channel that is capable in a first mode of operation of blocking a substantial voltage in at least one direction, in a second mode of operation of conducting substantial current in one direction through the channel and in a third mode of operation of conducting substantial current in an opposite direction through the channel. The half bridge can have two circuits with such a transistor.Type: ApplicationFiled: June 20, 2011Publication date: October 13, 2011Applicant: TRANSPHORM INC.Inventors: James Honea, Yifeng Wu
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Publication number: 20110193619Abstract: An electronic component includes a high-voltage depletion-mode transistor and a low-voltage enhancement-mode transistor both encased in a single package. A source electrode of the high-voltage depletion-mode transistor is electrically connected to a drain electrode of the low-voltage enhancement-mode transistor, a drain electrode of the high-voltage depletion-mode transistor is electrically connected to a drain lead of the single package, a gate electrode of the low-voltage enhancement-mode transistor is electrically connected to a gate lead of the single package, a gate electrode of the high-voltage depletion-mode transistor is electrically connected to an additional lead of the single package, and a source electrode of the low-voltage enhancement-mode transistor is electrically connected to a conductive structural portion of the single package.Type: ApplicationFiled: February 5, 2010Publication date: August 11, 2011Applicant: Transphorm Inc.Inventors: Primit Parikh, James Honea, Carl C. Blake, JR., Robert Coffie, Yifeng Wu, Umesh Mishra
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Patent number: 7965126Abstract: A half bridge is described with at least one transistor having a channel that is capable in a first mode of operation of blocking a substantial voltage in at least one direction, in a second mode of operation of conducting substantial current in one direction through the channel and in a third mode of operation of conducting substantial current in an opposite direction through the channel. The half bridge can have two circuits with such a transistor.Type: GrantFiled: February 9, 2009Date of Patent: June 21, 2011Assignee: Transphorm Inc.Inventors: James Honea, Yifeng Wu
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Patent number: 7875907Abstract: Bidirectional switches are described. The bidirectional switches include first and a second III-N based high electron mobility transistor. In some embodiments, the source of the first transistor is in electrical contact with a source of the second transistor. In some embodiments, the drain of the first transistor is in electrical contact with a drain of the second transistor. In some embodiments, the two transistors share a drift region and the switch is free of a drain contact between the two transistors. Matrix converters can be formed from the bidirectional switches.Type: GrantFiled: September 12, 2008Date of Patent: January 25, 2011Assignee: Transphorm Inc.Inventors: James Honea, Primit Parikh, Yifeng Wu, Ilan Ben-Yaacov
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Publication number: 20100073067Abstract: Power switching circuits including an inductive load and a switching device are described. The switches devices can be either low-side or high-side switches. Some of the switches are transistors that are able to block voltages or prevent substantial current from flowing through the transistor when voltage is applied across the transistor.Type: ApplicationFiled: September 9, 2009Publication date: March 25, 2010Applicant: TRANSPHORM INC.Inventor: James Honea
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Publication number: 20090201072Abstract: A half bridge is described with at least one transistor having a channel that is capable in a first mode of operation of blocking a substantial voltage in at least one direction, in a second mode of operation of conducting substantial current in one direction through the channel and in a third mode of operation of conducting substantial current in an opposite direction through the channel. The half bridge can have two circuits with such a transistor.Type: ApplicationFiled: February 9, 2009Publication date: August 13, 2009Inventors: James Honea, Yifeng Wu
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Publication number: 20090072269Abstract: A diode device can include an enhancement mode gallium nitride transistor having a gate, a drain and a source, wherein the gate is connected to the drain to enable the device to perform as a diode. In some embodiments, an integrated switching-diode is described that includes a substrate, a gallium nitride switching transistor on the substrate and a free wheeling diode on the substrate and coupled to the switching transistor.Type: ApplicationFiled: September 17, 2007Publication date: March 19, 2009Inventors: Chang Soo Suh, James Honea, Umesh Mishra
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Publication number: 20090065810Abstract: Bidirectional switches are described. The bidirectional switches include first and a second III-N based high electron mobility transistor. In some embodiments, the source of the first transistor is in electrical contact with a source of the second transistor. In some embodiments, the drain of the first transistor is in electrical contact with a drain of the second transistor. In some embodiments, the two transistors share a drift region and the switch is free of a drain contact between the two transistors. Matrix converters can be formed from the bidirectional switches.Type: ApplicationFiled: September 12, 2008Publication date: March 12, 2009Inventors: James Honea, Primit Parikh, Yifeng Wu, Ilan Ben-Yaacov