IP Library Granted Patent US 8,816,497
Granted Patent B2
US 8,816,497 · App. 12/684,838 · Granted Aug 26, 2014

Electronic devices and components for high efficiency power circuits

Inventor: Yifeng Wu (Goleta, CA)
Assignee: Transphorm Inc.
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Quick Facts
Patent No.
US 8,816,497
App. No.
12/684,838
Granted
Aug 26, 2014
Kind
B2
Abstract

An electronic component includes a III-N transistor and a III-N rectifying device both encased in a single package. A gate electrode of the III-N transistor is electrically connected to a first lead of the single package or to a conductive structural portion of the single package, a drain electrode of the III-N transistor is electrically connected to a second lead of the single package and to a first electrode of the III-N rectifying device, and a second electrode of the III-N rectifying device is electrically connected to a third lead of the single package.

Claims (52)

1. An electronic component, comprising:

a pair of transistors, wherein a first transistor of the pair of transistors is a III-N transistor;

a III-N rectifying device; and

a single package enclosing the pair of transistors and the III-N rectifying device, wherein

a gate electrode of the III-N transistor is electrically connected to a first lead of the single package or to a conductive structural portion of the single package,

a drain electrode of the III-N transistor is electrically connected to a second lead of the single package and to a first electrode of the III-N rectifying device, and

a second electrode of the III-N rectifying device is electrically connected to a third lead of the single package.

2. The electronic component of claim 1 , wherein the III-N transistor is a field-effect transistor.

3. The electronic component of claim 1 , wherein the III-N transistor is a high voltage switching transistor.

4. The electronic component of claim 1 , wherein a second transistor of the pair of transistors is an enhancement-mode device.

5. The electronic component of claim 1 , wherein the III-N rectifying device is a III-N diode, the first electrode is an anode electrode, and the second electrode is a cathode electrode.

6. The electronic component of claim 5 , wherein the III-N transistor is a lateral device comprising an insulating or semi-insulating portion, and the insulating or semi-insulating portion is mounted directly to the conductive structural portion of the single package, without an insulating spacer between the III-N transistor and the conductive structural portion of the single package.

7. The electronic component of claim 6 , wherein the insulating or semi-insulating portion is an insulating or semi-insulating substrate.

8. The electronic component of claim 5 , wherein the III-N transistor is a lateral device comprising a conducting or semi-conducting substrate, and an insulating or semi-insulating III-N layer is between the conducting or semi-conducting substrate and a channel of the III-N transistor, wherein the conducting or semi-conducting substrate is mounted directly to the conductive structural portion of the single package, without an insulating spacer between the III-N transistor and the conductive structural portion of the single package.

9. The electronic component of claim 8 , wherein the conducting or semi-conducting substrate is a semi-conducting silicon substrate.

10. The electronic component of claim 5 , wherein the III-N transistor and the III-N diode are on a common substrate.

11. The electronic component of claim 5 , wherein the III-N diode is a lateral device comprising a conducting or semi-conducting substrate, and an insulating or semi-insulating III-N layer is between the conducting or semi-conducting substrate and a channel of the III-N diode, wherein the conducting or semi-conducting substrate is mounted directly to the conductive structural portion of the single package, without an insulating spacer between the III-N diode and the conductive structural portion of the single package.

12. The electronic component of claim 11 , wherein the conducting or semi-conducting substrate is a semi-conducting silicon substrate.

13. The electronic component of claim 5 , wherein the III-N diode is a lateral device comprising an insulating or semi-insulating portion, and the insulating or semi-insulating portion is mounted directly to the conductive structural portion of the single package, without an insulating spacer between the III-N diode and the conductive structural portion of the single package.

14. The electronic component of claim 13 , wherein the insulating or semi-insulating portion is an insulating or semi-insulating substrate.

15. The electronic component of claim 1 , wherein the III-N transistor is a first III-N transistor and the III-N rectifying device is a second III-N transistor.

16. The electronic component of claim 15 , wherein the first III-N transistor or the second III-N transistor is a lateral device comprising an insulating or semi-insulating portion, and the insulating or semi-insulating portion is mounted directly to the conductive structural portion of the single package without an insulating spacer between the first III-N transistor and the conductive structural portion of the single package or between the second III-N transistor and the conductive structural portion of the single package.

17. The electronic component of claim 16 , wherein the insulating or semi-insulating portion is an insulating or semi-insulating substrate.

18. The electronic component of claim 15 , wherein the first III-N transistor or the second III-N transistor is a lateral device comprising a conducting or semi-conducting substrate, and an insulating or semi-insulating III-N layer between the conducting or semi-conducting substrate and a channel of the first III-N transistor or the second III-N transistor, wherein the conducting or semi-conducting substrate is mounted directly to the conductive structural portion of the single package, without an insulating spacer between the first III-N transistor and the conductive structural portion of the single package or between the second III-N transistor and the conductive structural portion of the single package.

19. The electronic component of claim 18 , wherein the conducting or semi-conducting substrate is a semi-conducting silicon substrate.

20. The electronic component of claim 15 , wherein the first III-N transistor and the second III-N transistor are formed on a common substrate.

21. The electronic component of claim 1 , wherein a source electrode of a second transistor of the pair of transistors is electrically connected to the conductive structural portion of the single package or to a source lead of the single package.

22. The electronic component of claim 1 , wherein the III-N transistor is a III-N depletion-mode transistor, and a second transistor of the pair of transistors is an enhancement-mode transistor, the enhancement-mode transistor comprising an e-mode transistor source electrode, an e-mode transistor gate electrode, and an e-mode transistor drain electrode, wherein the e-mode transistor source electrode is electrically connected to the conductive structural portion of the single package or to a source lead of the single package, the e-mode transistor drain electrode is electrically connected to a source electrode of the III-N depletion-mode transistor, and the e-mode transistor gate electrode is electrically connected to the first lead of the single package.

23. The electronic component of claim 22 , wherein the III-N depletion-mode transistor is a high-voltage switching transistor, and the enhancement-mode transistor is a low-voltage transistor.

24. The electronic component of claim 23 , wherein the enhancement-mode transistor is a Si MOS device.

25. The electronic component of claim 1 , wherein the electronic component is a part of a voltage converter.

26. An electronic component, comprising:

a III-N depletion-mode transistor;

an enhancement-mode transistor;

a III-N rectifying device; and

a single package enclosing each of the III-N depletion-mode transistor, the enhancement-mode transistor, and the III-N rectifying device, wherein

a gate electrode of the III-N depletion-mode transistor is electrically connected to a source electrode of the enhancement-mode transistor, a source electrode of the III-N depletion-mode transistor is electrically connected to a drain electrode of the enhancement-mode transistor, a drain electrode of the III-N depletion-mode transistor is electrically connected to a second lead of the single package and to a first electrode of the III-N rectifying device, and a second electrode of the III-N rectifying device is electrically connected to a first lead of the single package.

27. The electronic component of claim 26 , wherein the enhancement-mode transistor is a Si MOS device.

28. The electronic component of claim 26 , wherein the III-N rectifying device is a III-N diode, the first electrode is an anode electrode, and the second electrode is a cathode electrode.

29. The electronic component of claim 26 , wherein the electronic component is a part of a voltage converter.

30. The electronic component of claim 26 , wherein the III-N depletion-mode transistor and the III-N rectifying device are on a common substrate.

31. An electronic component, comprising:

a III-N depletion-mode transistor;

an enhancement-mode transistor;

a III-N rectifying device; and

a single package enclosing each of the III-N depletion-mode transistor, the enhancement-mode transistor, and the III-N rectifying device, the single package comprising a first lead and a second lead; wherein

a gate electrode of the III-N depletion-mode transistor is electrically connected to the first lead of the single package or to a conductive structural portion of the single package, a source electrode of the III-N depletion-mode transistor is electrically connected to a drain electrode of the enhancement-mode transistor, a drain electrode of the III-N depletion-mode transistor is electrically connected to a first electrode of the III-N rectifying device, and a second electrode of the III-N rectifying device is electrically connected to the second lead of the single package.

32. The electronic component of claim 31 , wherein the drain electrode of the III-N depletion-mode transistor is also electrically connected to a third lead of the single package.

33. The electronic component of claim 31 , wherein the III-N rectifying device comprises a diode, and the first electrode of the III-N rectifying device comprises an anode.

34. The electronic component of claim 31 , wherein the electronic component is a part of a voltage converter.

35. The electronic component of claim 31 , wherein the III-N depletion-mode transistor and the III-N rectifying device are on a common substrate.

36. The electronic component of claim 31 , wherein the drain electrode of the III-N depletion-mode transistor is electrically connected to the second lead of the single package.

Assignments (4)
SECURITY INTEREST Recorded Mar 1, 2024
From: TRANSPHORM TECHNOLOGY, INC.; TRANSPHORM, INC.
To: RENESAS ELECTRONICS AMERICA INC.
Reel/Frame 066713/0531 →
CHANGE OF NAME Recorded Mar 4, 2020
From: TRANSPHORM, INC.
To: TRANSPHORM TECHNOLOGY, INC.
Reel/Frame 052091/0697 →
SECURITY INTEREST Recorded Apr 4, 2018
From: TRANSPHORM, INC.
To: NEXPERIA B.V.
Reel/Frame 045853/0159 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 8, 2010
From: WU, YIFENG
To: TRANSPHORM INC.
Reel/Frame 023754/0720 →
Continuity (1)
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