Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1
FIG. 1 is a simplified schematic of a half bridge power conversion circuit according to an embodiment of the inven- tion;
FIG. 2
FIG. 2B is an isometric bottom view of the electronic package illustrated in
FIG. 3
FIG. 3 is an isometric partial cross-sectional view of the electronic package illustrated in
FIG. 4
FIG. 4 is an isometric partial cross-sectional view of an electronic device;
FIG. 5
FIG. 5 is an isometric partial cross-sectional view of the electronic package illustrated in
FIG. 6
FIG. 6C illustrates a simplified schematic of a desatura- tion detection circuit, according to embodiments of the 30 disclosure;
FIG. 7
FIG. 7D is a transparent plan view of an electronic 45 package with the encapsulant removed, the package includ- ing an integrated controller with a …
FIG. 8
FIG. 8 is a transparent plan view of an electronic package with the encapsulant removed, according to a stacked die single switch embodiment of the invention;
FIG. 9
FIG. 9 is a transparent plan view of an electronic package with the encapsulant removed, according to a single switch 65 with an internal Zener reference …
FIG. 10
FIG. 10B illustrates a simplified functional block diagram of the electronic package illustrated in
FIG. 11
FIG. 11 is method of manufacturing an electronic package according to an embodiment of the invention.
FIG. 40
FIG. 40 8, silicon-based high side driver/control die 1030 can be stacked on high side GaN-based transistor die 1005 and/or silicon-based low side …
Claims
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
3 independent · 17 dependent
1
IndependentGaNGaN-based electronic device/packaged transistor with current sense
An electronic device comprising: a die-attach pad, at least one drain terminal, at least one source terminal and at least one gate terminal; and a gallium nitride (GaN) semiconductor substrate includ-ing a transistor formed therein, the transistor including a gate, a drain and a source, wherein: the GaN semiconductor substrate is electrically connected to the die-attach pad; the gate is directly electrically connected to the at least one gate terminal; the drain is directly electrically connected to the at least one drain terminal; and the source is directly electrically connected to the at least one source terminal, wherein the at least one source terminal is directly electrically connected to one or more current sense resistors.
2
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the die-attach pad is arranged to be coupled to a ground potential.
3
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the die-attach pad, the at least one drain terminal, the at least one source terminal and the at least one gate terminal are electrically isolated from each other.
4
Dependent← claim 1GaNGaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein at least a portion of the GaN semiconductor substrate is covered by an encapsulant.
6
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the at least one source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
7
Dependent← claim 1GaNSiGaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the GaN semiconductor substrate includes one or more layers of GaN formed on a layer of silicon.
8
IndependentGaNGaN-based electronic device/packaged transistor with current sense
A device comprising: at least one die-attach terminal, at least one drain terminal, at least one source terminal and at least one gate terminal; and a gallium nitride (GaN) semiconductor substrate includ-ing at least one transistor having at least one gate, at least one drain and at least one source, wherein: the GaN semiconductor substrate is electrically and physi-cally connected to the at least one die-attach terminal; the at least one gate is directly electrically connected to the at least one gate terminal; the at least one drain is directly electrically connected to the at least one drain terminal; and the at least one source is directly electrically connected to the at least one source terminal and is directly electri-cally connected to one or more current sense resistors.
9
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one die-attach terminal is arranged to be connected to a ground potential.
10
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one die-attach terminal, the at least one drain terminal, the at least one source terminal and the at least one gate terminal are electrically isolated from each other.
11
Dependent← claim 8GaNGaN-based electronic device/packaged transistor with current sense
The device of claim 8 further comprising an encap-sulant that covers at least a portion of the GaN substrate.
13
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
14
Dependent← claim 8GaNSiGaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the GaN semiconductor substrate includes one or more layers of GaN formed on a layer of silicon.
15
IndependentGaNGaN electronic package with current sense resistors and encapsulant
An electronic package comprising: a plurality of external terminals including a ground ter-minal, a drain terminal, a source terminal and a gate terminal; and a gallium nitride (GaN) die including at least one tran-sistor having a drain contact, a source contact and a gate contact, the GaN die electrically and physically connected to the ground terminal, wherein the drain contact is directly electrically coupled to the drain terminal, the source contact is directly electrically coupled to the source terminal and the gate contact is directly electrically coupled to the gate terminal, and wherein the source terminal is directly electrically coupled to one or more current sense resistors; and an encapsulant disposed between each of the plurality of external terminals.
16
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the ground terminal is arranged to be connected to a ground potential.
17
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the ground terminal, the drain terminal, the source terminal and the gate terminal are electrically isolated from each other.
18
Dependent← claim 15GaNGaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the encapsulant covers at least a portion of the GaN die.
19
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
20
Dependent← claim 15GaNSiGaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the GaN die includes one or more layers of GaN formed on a layer of silicon. ∗ ∗ ∗ ∗ ∗
Device structures
Layer stacks claimed or described, ordered top of device to substrate.
GaN-based electronic device/packaged transistor with current sense
encapsulantencapsulant (optional)
GaNGaN semiconductor substrate
die-attach pad / die-attach terminaldie-attach pad / die-attach terminal
GaN electronic package with current sense resistors and encapsulant
encapsulantencapsulant
GaNGaN die
Materials
Materials described outside the worked examples.
gallium nitride (GaN)
GaN
Semiconductor Substrate/Die Material
silicon
Si
Characterization
Measurements and analyses referenced in the patent, with their drawing references.
fet electrical
Fet Electrical
FIG. 40 8, silicon-based high side driver/control die 1030 can be stacked on high side GaN-based transistor die 1005 and/or silicon-based low side …
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1
FIG. 1 is a simplified schematic of a half bridge power conversion circuit according to an embodiment of the inven- tion;
FIG. 2
FIG. 2B is an isometric bottom view of the electronic package illustrated in
FIG. 3
FIG. 3 is an isometric partial cross-sectional view of the electronic package illustrated in
FIG. 4
FIG. 4 is an isometric partial cross-sectional view of an electronic device;
FIG. 5
FIG. 5 is an isometric partial cross-sectional view of the electronic package illustrated in
FIG. 6
FIG. 6C illustrates a simplified schematic of a desatura- tion detection circuit, according to embodiments of the 30 disclosure;
FIG. 7
FIG. 7D is a transparent plan view of an electronic 45 package with the encapsulant removed, the package includ- ing an integrated controller with a …
FIG. 8
FIG. 8 is a transparent plan view of an electronic package with the encapsulant removed, according to a stacked die single switch embodiment of the invention;
FIG. 9
FIG. 9 is a transparent plan view of an electronic package with the encapsulant removed, according to a single switch 65 with an internal Zener reference …
FIG. 10
FIG. 10B illustrates a simplified functional block diagram of the electronic package illustrated in
FIG. 11
FIG. 11 is method of manufacturing an electronic package according to an embodiment of the invention.
FIG. 40
FIG. 40 8, silicon-based high side driver/control die 1030 can be stacked on high side GaN-based transistor die 1005 and/or silicon-based low side …
Claims
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
3 independent · 17 dependent
1
IndependentGaNGaN-based electronic device/packaged transistor with current sense
An electronic device comprising: a die-attach pad, at least one drain terminal, at least one source terminal and at least one gate terminal; and a gallium nitride (GaN) semiconductor substrate includ-ing a transistor formed therein, the transistor including a gate, a drain and a source, wherein: the GaN semiconductor substrate is electrically connected to the die-attach pad; the gate is directly electrically connected to the at least one gate terminal; the drain is directly electrically connected to the at least one drain terminal; and the source is directly electrically connected to the at least one source terminal, wherein the at least one source terminal is directly electrically connected to one or more current sense resistors.
2
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the die-attach pad is arranged to be coupled to a ground potential.
3
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the die-attach pad, the at least one drain terminal, the at least one source terminal and the at least one gate terminal are electrically isolated from each other.
4
Dependent← claim 1GaNGaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein at least a portion of the GaN semiconductor substrate is covered by an encapsulant.
6
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the at least one source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
7
Dependent← claim 1GaNSiGaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the GaN semiconductor substrate includes one or more layers of GaN formed on a layer of silicon.
8
IndependentGaNGaN-based electronic device/packaged transistor with current sense
A device comprising: at least one die-attach terminal, at least one drain terminal, at least one source terminal and at least one gate terminal; and a gallium nitride (GaN) semiconductor substrate includ-ing at least one transistor having at least one gate, at least one drain and at least one source, wherein: the GaN semiconductor substrate is electrically and physi-cally connected to the at least one die-attach terminal; the at least one gate is directly electrically connected to the at least one gate terminal; the at least one drain is directly electrically connected to the at least one drain terminal; and the at least one source is directly electrically connected to the at least one source terminal and is directly electri-cally connected to one or more current sense resistors.
9
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one die-attach terminal is arranged to be connected to a ground potential.
10
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one die-attach terminal, the at least one drain terminal, the at least one source terminal and the at least one gate terminal are electrically isolated from each other.
11
Dependent← claim 8GaNGaN-based electronic device/packaged transistor with current sense
The device of claim 8 further comprising an encap-sulant that covers at least a portion of the GaN substrate.
13
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
14
Dependent← claim 8GaNSiGaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the GaN semiconductor substrate includes one or more layers of GaN formed on a layer of silicon.
15
IndependentGaNGaN electronic package with current sense resistors and encapsulant
An electronic package comprising: a plurality of external terminals including a ground ter-minal, a drain terminal, a source terminal and a gate terminal; and a gallium nitride (GaN) die including at least one tran-sistor having a drain contact, a source contact and a gate contact, the GaN die electrically and physically connected to the ground terminal, wherein the drain contact is directly electrically coupled to the drain terminal, the source contact is directly electrically coupled to the source terminal and the gate contact is directly electrically coupled to the gate terminal, and wherein the source terminal is directly electrically coupled to one or more current sense resistors; and an encapsulant disposed between each of the plurality of external terminals.
16
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the ground terminal is arranged to be connected to a ground potential.
17
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the ground terminal, the drain terminal, the source terminal and the gate terminal are electrically isolated from each other.
18
Dependent← claim 15GaNGaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the encapsulant covers at least a portion of the GaN die.
19
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
20
Dependent← claim 15GaNSiGaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the GaN die includes one or more layers of GaN formed on a layer of silicon. ∗ ∗ ∗ ∗ ∗
Device structures
Layer stacks claimed or described, ordered top of device to substrate.
GaN-based electronic device/packaged transistor with current sense
encapsulantencapsulant (optional)
GaNGaN semiconductor substrate
die-attach pad / die-attach terminaldie-attach pad / die-attach terminal
GaN electronic package with current sense resistors and encapsulant
encapsulantencapsulant
GaNGaN die
Materials
Materials described outside the worked examples.
gallium nitride (GaN)
GaN
Semiconductor Substrate/Die Material
silicon
Si
Characterization
Measurements and analyses referenced in the patent, with their drawing references.
fet electrical
Fet Electrical
FIG. 40 8, silicon-based high side driver/control die 1030 can be stacked on high side GaN-based transistor die 1005 and/or silicon-based low side …
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1
FIG. 1 is a simplified schematic of a half bridge power conversion circuit according to an embodiment of the inven- tion;
FIG. 2
FIG. 2B is an isometric bottom view of the electronic package illustrated in
FIG. 3
FIG. 3 is an isometric partial cross-sectional view of the electronic package illustrated in
FIG. 4
FIG. 4 is an isometric partial cross-sectional view of an electronic device;
FIG. 5
FIG. 5 is an isometric partial cross-sectional view of the electronic package illustrated in
FIG. 6
FIG. 6C illustrates a simplified schematic of a desatura- tion detection circuit, according to embodiments of the 30 disclosure;
FIG. 7
FIG. 7D is a transparent plan view of an electronic 45 package with the encapsulant removed, the package includ- ing an integrated controller with a …
FIG. 8
FIG. 8 is a transparent plan view of an electronic package with the encapsulant removed, according to a stacked die single switch embodiment of the invention;
FIG. 9
FIG. 9 is a transparent plan view of an electronic package with the encapsulant removed, according to a single switch 65 with an internal Zener reference …
FIG. 10
FIG. 10B illustrates a simplified functional block diagram of the electronic package illustrated in
FIG. 11
FIG. 11 is method of manufacturing an electronic package according to an embodiment of the invention.
FIG. 40
FIG. 40 8, silicon-based high side driver/control die 1030 can be stacked on high side GaN-based transistor die 1005 and/or silicon-based low side …
Claims
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
3 independent · 17 dependent
1
IndependentGaNGaN-based electronic device/packaged transistor with current sense
An electronic device comprising: a die-attach pad, at least one drain terminal, at least one source terminal and at least one gate terminal; and a gallium nitride (GaN) semiconductor substrate includ-ing a transistor formed therein, the transistor including a gate, a drain and a source, wherein: the GaN semiconductor substrate is electrically connected to the die-attach pad; the gate is directly electrically connected to the at least one gate terminal; the drain is directly electrically connected to the at least one drain terminal; and the source is directly electrically connected to the at least one source terminal, wherein the at least one source terminal is directly electrically connected to one or more current sense resistors.
2
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the die-attach pad is arranged to be coupled to a ground potential.
3
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the die-attach pad, the at least one drain terminal, the at least one source terminal and the at least one gate terminal are electrically isolated from each other.
4
Dependent← claim 1GaNGaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein at least a portion of the GaN semiconductor substrate is covered by an encapsulant.
6
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the at least one source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
7
Dependent← claim 1GaNSiGaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the GaN semiconductor substrate includes one or more layers of GaN formed on a layer of silicon.
8
IndependentGaNGaN-based electronic device/packaged transistor with current sense
A device comprising: at least one die-attach terminal, at least one drain terminal, at least one source terminal and at least one gate terminal; and a gallium nitride (GaN) semiconductor substrate includ-ing at least one transistor having at least one gate, at least one drain and at least one source, wherein: the GaN semiconductor substrate is electrically and physi-cally connected to the at least one die-attach terminal; the at least one gate is directly electrically connected to the at least one gate terminal; the at least one drain is directly electrically connected to the at least one drain terminal; and the at least one source is directly electrically connected to the at least one source terminal and is directly electri-cally connected to one or more current sense resistors.
9
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one die-attach terminal is arranged to be connected to a ground potential.
10
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one die-attach terminal, the at least one drain terminal, the at least one source terminal and the at least one gate terminal are electrically isolated from each other.
11
Dependent← claim 8GaNGaN-based electronic device/packaged transistor with current sense
The device of claim 8 further comprising an encap-sulant that covers at least a portion of the GaN substrate.
13
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
14
Dependent← claim 8GaNSiGaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the GaN semiconductor substrate includes one or more layers of GaN formed on a layer of silicon.
15
IndependentGaNGaN electronic package with current sense resistors and encapsulant
An electronic package comprising: a plurality of external terminals including a ground ter-minal, a drain terminal, a source terminal and a gate terminal; and a gallium nitride (GaN) die including at least one tran-sistor having a drain contact, a source contact and a gate contact, the GaN die electrically and physically connected to the ground terminal, wherein the drain contact is directly electrically coupled to the drain terminal, the source contact is directly electrically coupled to the source terminal and the gate contact is directly electrically coupled to the gate terminal, and wherein the source terminal is directly electrically coupled to one or more current sense resistors; and an encapsulant disposed between each of the plurality of external terminals.
16
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the ground terminal is arranged to be connected to a ground potential.
17
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the ground terminal, the drain terminal, the source terminal and the gate terminal are electrically isolated from each other.
18
Dependent← claim 15GaNGaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the encapsulant covers at least a portion of the GaN die.
19
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
20
Dependent← claim 15GaNSiGaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the GaN die includes one or more layers of GaN formed on a layer of silicon. ∗ ∗ ∗ ∗ ∗
Device structures
Layer stacks claimed or described, ordered top of device to substrate.
GaN-based electronic device/packaged transistor with current sense
encapsulantencapsulant (optional)
GaNGaN semiconductor substrate
die-attach pad / die-attach terminaldie-attach pad / die-attach terminal
GaN electronic package with current sense resistors and encapsulant
encapsulantencapsulant
GaNGaN die
Materials
Materials described outside the worked examples.
gallium nitride (GaN)
GaN
Semiconductor Substrate/Die Material
silicon
Si
Characterization
Measurements and analyses referenced in the patent, with their drawing references.
fet electrical
Fet Electrical
FIG. 40 8, silicon-based high side driver/control die 1030 can be stacked on high side GaN-based transistor die 1005 and/or silicon-based low side …
Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1
FIG. 1 is a simplified schematic of a half bridge power conversion circuit according to an embodiment of the inven- tion;
FIG. 2
FIG. 2B is an isometric bottom view of the electronic package illustrated in
FIG. 3
FIG. 3 is an isometric partial cross-sectional view of the electronic package illustrated in
FIG. 4
FIG. 4 is an isometric partial cross-sectional view of an electronic device;
FIG. 5
FIG. 5 is an isometric partial cross-sectional view of the electronic package illustrated in
FIG. 6
FIG. 6C illustrates a simplified schematic of a desatura- tion detection circuit, according to embodiments of the 30 disclosure;
FIG. 7
FIG. 7D is a transparent plan view of an electronic 45 package with the encapsulant removed, the package includ- ing an integrated controller with a …
FIG. 8
FIG. 8 is a transparent plan view of an electronic package with the encapsulant removed, according to a stacked die single switch embodiment of the invention;
FIG. 9
FIG. 9 is a transparent plan view of an electronic package with the encapsulant removed, according to a single switch 65 with an internal Zener reference …
FIG. 10
FIG. 10B illustrates a simplified functional block diagram of the electronic package illustrated in
FIG. 11
FIG. 11 is method of manufacturing an electronic package according to an embodiment of the invention.
FIG. 40
FIG. 40 8, silicon-based high side driver/control die 1030 can be stacked on high side GaN-based transistor die 1005 and/or silicon-based low side …
Claims
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
3 independent · 17 dependent
1
IndependentGaNGaN-based electronic device/packaged transistor with current sense
An electronic device comprising: a die-attach pad, at least one drain terminal, at least one source terminal and at least one gate terminal; and a gallium nitride (GaN) semiconductor substrate includ-ing a transistor formed therein, the transistor including a gate, a drain and a source, wherein: the GaN semiconductor substrate is electrically connected to the die-attach pad; the gate is directly electrically connected to the at least one gate terminal; the drain is directly electrically connected to the at least one drain terminal; and the source is directly electrically connected to the at least one source terminal, wherein the at least one source terminal is directly electrically connected to one or more current sense resistors.
2
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the die-attach pad is arranged to be coupled to a ground potential.
3
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the die-attach pad, the at least one drain terminal, the at least one source terminal and the at least one gate terminal are electrically isolated from each other.
4
Dependent← claim 1GaNGaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein at least a portion of the GaN semiconductor substrate is covered by an encapsulant.
6
Dependent← claim 1GaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the at least one source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
7
Dependent← claim 1GaNSiGaN-based electronic device/packaged transistor with current sense
The electronic device of claim 1 wherein the GaN semiconductor substrate includes one or more layers of GaN formed on a layer of silicon.
8
IndependentGaNGaN-based electronic device/packaged transistor with current sense
A device comprising: at least one die-attach terminal, at least one drain terminal, at least one source terminal and at least one gate terminal; and a gallium nitride (GaN) semiconductor substrate includ-ing at least one transistor having at least one gate, at least one drain and at least one source, wherein: the GaN semiconductor substrate is electrically and physi-cally connected to the at least one die-attach terminal; the at least one gate is directly electrically connected to the at least one gate terminal; the at least one drain is directly electrically connected to the at least one drain terminal; and the at least one source is directly electrically connected to the at least one source terminal and is directly electri-cally connected to one or more current sense resistors.
9
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one die-attach terminal is arranged to be connected to a ground potential.
10
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one die-attach terminal, the at least one drain terminal, the at least one source terminal and the at least one gate terminal are electrically isolated from each other.
11
Dependent← claim 8GaNGaN-based electronic device/packaged transistor with current sense
The device of claim 8 further comprising an encap-sulant that covers at least a portion of the GaN substrate.
13
Dependent← claim 8GaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the at least one source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
14
Dependent← claim 8GaNSiGaN-based electronic device/packaged transistor with current sense
The device of claim 8 wherein the GaN semiconductor substrate includes one or more layers of GaN formed on a layer of silicon.
15
IndependentGaNGaN electronic package with current sense resistors and encapsulant
An electronic package comprising: a plurality of external terminals including a ground ter-minal, a drain terminal, a source terminal and a gate terminal; and a gallium nitride (GaN) die including at least one tran-sistor having a drain contact, a source contact and a gate contact, the GaN die electrically and physically connected to the ground terminal, wherein the drain contact is directly electrically coupled to the drain terminal, the source contact is directly electrically coupled to the source terminal and the gate contact is directly electrically coupled to the gate terminal, and wherein the source terminal is directly electrically coupled to one or more current sense resistors; and an encapsulant disposed between each of the plurality of external terminals.
16
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the ground terminal is arranged to be connected to a ground potential.
17
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the ground terminal, the drain terminal, the source terminal and the gate terminal are electrically isolated from each other.
18
Dependent← claim 15GaNGaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the encapsulant covers at least a portion of the GaN die.
19
Dependent← claim 15GaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the source terminal is directly electrically coupled to the one or more current sense resistors via wirebonds, metallic clips, vias, or conductive epoxy.
20
Dependent← claim 15GaNSiGaN electronic package with current sense resistors and encapsulant
The electronic package of claim 15 wherein the GaN die includes one or more layers of GaN formed on a layer of silicon. ∗ ∗ ∗ ∗ ∗
Device structures
Layer stacks claimed or described, ordered top of device to substrate.
GaN-based electronic device/packaged transistor with current sense
encapsulantencapsulant (optional)
GaNGaN semiconductor substrate
die-attach pad / die-attach terminaldie-attach pad / die-attach terminal
GaN electronic package with current sense resistors and encapsulant
encapsulantencapsulant
GaNGaN die
Materials
Materials described outside the worked examples.
gallium nitride (GaN)
GaN
Semiconductor Substrate/Die Material
silicon
Si
Characterization
Measurements and analyses referenced in the patent, with their drawing references.
fet electrical
Fet Electrical
FIG. 40 8, silicon-based high side driver/control die 1030 can be stacked on high side GaN-based transistor die 1005 and/or silicon-based low side …
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Final Office Action. U.S. Appl. No. 17/169,320, “Final Office Action”, Nov. 26, 2021, 12 pages. International Rectifier’s iPOWIR™’s Full Function Power Stage Plus Control IC Reduces Space and Simplifies Design Of High Efficiency POL Buck Converters, iPOWIR, printed from http://www.irf.com/pressroom/pressreleases/nr071219.html, Jan. 3, 2017. Non-Final OfficeAction for U.S.Appl. No. 15/050,338, mailed Dec. 2, 2016, 8 pages. Restriction Requirementf or U.S. Appl. No. 15/050,338, mailed Sep. 28, 2016, 6 pages. Notice of Allowance for U.S. Appl. No. 15/465,433, mailed Nov. 13, 2017, 8 pages. Non Final Office Action for U.S. Appl. No. 17/169,304, mailed Apr. 9, 2021, 9 pages. Notice of Allowance for U.S. Appl. No. 17/169,304, mailed Jul. 28, 2021, 7 pages. Notice of Allowance for U.S. Appl. No. 17/169,304, mailed Sep. 9, 2021, 7 pages. Non-Final Office Action for U.S. Appl. No. 17/169,320, mailed Jul. 15, 2021, 13 pages. Office Action (Notice of Allowance and Fees Due (PTOL-85)) dated Apr. 15, 2025 for U.S. Appl. No. 18/339,123 (pp. 1-8).
Final Office Action. U.S. Appl. No. 17/169,320, “Final Office Action”, Nov. 26, 2021, 12 pages. International Rectifier’s iPOWIR™’s Full Function Power Stage Plus Control IC Reduces Space and Simplifies Design Of High Efficiency POL Buck Converters, iPOWIR, printed from http://www.irf.com/pressroom/pressreleases/nr071219.html, Jan. 3, 2017. Non-Final OfficeAction for U.S.Appl. No. 15/050,338, mailed Dec. 2, 2016, 8 pages. Restriction Requirementf or U.S. Appl. No. 15/050,338, mailed Sep. 28, 2016, 6 pages. Notice of Allowance for U.S. Appl. No. 15/465,433, mailed Nov. 13, 2017, 8 pages. Non Final Office Action for U.S. Appl. No. 17/169,304, mailed Apr. 9, 2021, 9 pages. Notice of Allowance for U.S. Appl. No. 17/169,304, mailed Jul. 28, 2021, 7 pages. Notice of Allowance for U.S. Appl. No. 17/169,304, mailed Sep. 9, 2021, 7 pages. Non-Final Office Action for U.S. Appl. No. 17/169,320, mailed Jul. 15, 2021, 13 pages. Office Action (Notice of Allowance and Fees Due (PTOL-85)) dated Apr. 15, 2025 for U.S. Appl. No. 18/339,123 (pp. 1-8).
Final Office Action. U.S. Appl. No. 17/169,320, “Final Office Action”, Nov. 26, 2021, 12 pages. International Rectifier’s iPOWIR™’s Full Function Power Stage Plus Control IC Reduces Space and Simplifies Design Of High Efficiency POL Buck Converters, iPOWIR, printed from http://www.irf.com/pressroom/pressreleases/nr071219.html, Jan. 3, 2017. Non-Final OfficeAction for U.S.Appl. No. 15/050,338, mailed Dec. 2, 2016, 8 pages. Restriction Requirementf or U.S. Appl. No. 15/050,338, mailed Sep. 28, 2016, 6 pages. Notice of Allowance for U.S. Appl. No. 15/465,433, mailed Nov. 13, 2017, 8 pages. Non Final Office Action for U.S. Appl. No. 17/169,304, mailed Apr. 9, 2021, 9 pages. Notice of Allowance for U.S. Appl. No. 17/169,304, mailed Jul. 28, 2021, 7 pages. Notice of Allowance for U.S. Appl. No. 17/169,304, mailed Sep. 9, 2021, 7 pages. Non-Final Office Action for U.S. Appl. No. 17/169,320, mailed Jul. 15, 2021, 13 pages. Office Action (Notice of Allowance and Fees Due (PTOL-85)) dated Apr. 15, 2025 for U.S. Appl. No. 18/339,123 (pp. 1-8).