IP Library Granted Patent US 9,293,458
Granted Patent B2
US 9,293,458 · App. 14/058,089 · Granted Mar 22, 2016

Semiconductor electronic components and circuits

Inventors: Primit Parikh (Goleta, CA); James Honea (Santa Barbara, CA); Carl C. Blake, Jr. (Fountain Valley, CA); Robert Coffie (Camarillo, CA); Yifeng Wu (Goleta, CA); Umesh Mishra (Montecito, CA)
Assignee: Transphorm Inc.
H01L27/0883H01L21/8258H01L23/49562H01L23/49575H01L25/165H01L27/0605H03K17/567H01L23/642H01L23/647H01L25/18H01L2224/48137H01L2224/48195H01L2224/48247H01L2224/48257H01L2924/1305H01L2924/13055H01L2924/13062H01L2924/13091H01L2924/30107
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Quick Facts
Patent No.
US 9,293,458
App. No.
14/058,089
Granted
Mar 22, 2016
Kind
B2
Abstract

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.

Claims (26)

1. An electronic component, comprising:

a depletion-mode transistor;

an enhancement-mode transistor;

a resistor; and

a single package enclosing the depletion-mode transistor, the enhancement-mode transistor, and the resistor, the single package including

a package base formed of an electrically conducting material,

a source lead directly electrically connected to the package base, and

a gate lead and a drain lead, each of which is electrically isolated from the package base,

wherein the depletion-mode transistor, the enhancement-mode transistor, and the resistor are each provided on and supported by the package base,

wherein a source electrode of the depletion-mode transistor is directly electrically connected to a drain electrode of the enhancement-mode transistor, and a drain electrode of the depletion-mode transistor is directly electrically connected to the drain lead, thereby causing the drain electrode of the depletion-mode transistor to be electrically isolated from the package base,

wherein a first end of the resistor is directly electrically connected to a gate electrode of the depletion-mode transistor, and a second end of the resistor is directly electrically connected to the package base,

wherein a gate electrode of the enhancement-mode transistor is directly electrically connected to the gate lead, thereby causing the gate electrode of the enhancement-mode transistor to be electrically isolated from the package base, and

wherein a source electrode of the enhancement-mode transistor is directly electrically connected to the package base, thereby causing the source electrode of the enhancement-mode transistor and the second end of the resistor to be electrically connected to each other and to the source lead.

2. The electronic component of claim 1 , wherein the depletion-mode transistor and the resistor are on a common substrate.

3. The electronic component of claim 2 , wherein the depletion-mode transistor and the resistor comprise a same semiconductor layer structure.

4. The electronic component of claim 1 , wherein the depletion-mode transistor and the resistor both comprise III-N semiconductor materials.

5. The electronic component of claim 1 , wherein the depletion-mode transistor comprises a semiconductor layer structure, and the resistor comprises a conducting or semiconducting layer which is on the semiconductor layer structure.

6. The electronic component of claim 5 , wherein the depletion-mode transistor is a III-Nitride transistor.

7. The electronic component of claim 1 , wherein the resistor has a resistance of between about 100 Ohms and 100 kOhms.

8. The electronic component of claim 1 , wherein the enhancement-mode transistor is a silicon-based transistor.

9. The electronic component of claim 1 , wherein the enhancement-mode transistor is a III-Nitride transistor.

10. The electronic component of claim 1 , wherein the depletion-mode transistor is a III-Nitride transistor.

11. The electronic component of claim 1 , wherein the depletion-mode transistor is a high-voltage transistor, and the enhancement-mode transistor is a low-voltage transistor.

12. The electronic component of claim 1 , wherein the resistor comprises a III-N semiconductor material including a two-dimensional electron gas, and the first and second ends of the resistor contact the two-dimensional electron gas.

13. The electronic component of claim 1 , wherein the single package further comprises a case formed of an insulating material.

14. The electronic component of claim 13 , wherein the single package includes a gate lead and a drain lead, the case includes a plurality of sides, and the gate lead and drain lead are on a first side of the plurality of sides.

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 Feb 20, 2014
From: PARIKH, PRIMIT; HONEA, JAMES; BLAKE JR., CARL C.; COFFIE, ROBERT; WU, YIFENG; MISHRA, UMESH
To: TRANSPHORM INC.
Reel/Frame 032257/0211 →
Continuity (2)
Division 12701458 · Feb 5, 2010
Related Publication 20140042495A1 · Feb 13, 2014