# US 2013/0155745 A1 · Power semiconductor device

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2013/0155745 A1
- Document ID: US20130155745A1
- Status: Published application
- Kind: A1
- Application number: 13/677,028
- Filed: 2012-11-14
- Published: 2013-06-20
- Earliest claimed: 2011-12-14
- Assignees: Mitsubishi Electric Corporation
- Inventors: Tomofumi Tanaka; Toru Iwagami
- Web page: https://patentgrep.com/patent/US20130155745A1

## CPC

- H02M 7/537: using semiconductor devices only, e.g. single switched pulse inverters
- H02M 7/003: {Constructional details, e.g. physical layout, assembly, wiring or busbar connections}
- H02M 1/0095: {Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck}
- H02M 1/088: for the simultaneous control of series or parallel connected semiconductor devices
- H10W 72/5366: {the bond wires having kinks}
- H10W 72/5473: {multiple bond wires connected to a common bond pad}
- H10W 72/5475: {multiple bond wires connected to common bond pads at both ends of the wires}
- H10W 90/753: {between laterally-adjacent chips}
- H10W 90/756: {between a chip and a stacked lead frame, conducting package substrate or heat sink}
- H02M: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P)
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10

## Abstract

Among first IGBTs and first MOSFETs, a transistor arranged near a first gate control circuit gives, through a gate thereof, a gate control signal supplied from the first gate control circuit to a gate of a transistor arranged at a position farther from the first gate control circuit. Among second IGBTs and second MOSFETs, a transistor arranged near a second gate control circuit gives, through a gate thereof, a gate control signal supplied from the second gate control circuit to a gate of a transistor arranged at a position farther from the second gate control circuit.

## Claims

### Claim 1

A power semiconductor device comprising, in a modularized manner:
an inverter including first and second switching parts that operate in a complementary manner, said first and second switching parts being interposed in series with each other between a first power supply line that supplies a first voltage and a second power supply line that supplies a second voltage; and
first and second control circuits for controlling switching operations of said first and second switching parts, respectively,
wherein
said first switching part includes a first IGBT and a first MOSFET, one main electrode of each of said first IGBT and said first MOSFET being connected to said first power supply line and the other main electrode of each of said first IGBT and said first MOSFET being connected to an output node of said inverter,
said second switching part includes a second IGBT and a second MOSFET, one main electrode of each of said second IGBT and said second MOSFET being connected to said second power supply line and the other main electrode of each of said second IGBT and said second MOSFET being connected to said output node of said inverter,
in a plane layout of said power semiconductor device:
said first control circuit is arranged at a position opposed to said first switching part, and one of said first IGBT and said first MOSFET is arranged near said first control circuit while the other of said first IGBT and said first MOSFET is arranged at a position farther from said first control circuit; and
said second control circuit is arranged at a position opposed to said second switching part, and one of said second IGBT and said second MOSFET is arranged near said second control circuit while the other of said second IGBT and said second MOSFET is arranged at a position farther from said second control circuit,
in said first IGBT and said first MOSFET, a transistor arranged near said first control circuit gives, through a gate thereof, a gate control signal supplied from said first control circuit to a gate of a transistor arranged at the position farther from said first control circuit,
in said second IGBT and said second MOSFET, a transistor arranged near said second control circuit gives, through a gate thereof, a gate control signal supplied from said second control circuit to a gate of a transistor arranged at the position farther from said second control circuit.

### Claim 2 (depends on 1)

The power semiconductor device according to claim 1, wherein
each of said first IGBT and said first MOSFET is a transistor with a vertical structure in which a main current flows perpendicularly to a main surface of a semiconductor substrate,
in the transistor within said first switching part which is arranged near said first control circuit, a first gate pad connected to a gate of said transistor is provided at said first control circuit side within a plane of said other main electrode side, and a second gate pad connected to a gate of said transistor is provided at a side opposite to said first control circuit within a plane of said other main electrode side,
said gate control signal supplied from said first control circuit is given to said first gate pad, and said gate control signal is outputted from said second gate pad and given to a gate pad of the transistor arranged at the position farther from said first control circuit,
each of said second IGBT and said second MOSFET is a transistor with a vertical structure in which a main current flows perpendicularly to a main surface of a semiconductor substrate,
in the transistor within said second switching part which is arranged near said second control circuit, a first gate pad connected to a gate of said transistor is provided at said second control circuit side within a plane of said other main electrode side, and a second gate pad connected to a gate of said transistor is provided at a side opposite to said second control circuit within a plane of said other main electrode side,
said gate control signal supplied from said second control circuit is given to said first gate pad, and said gate control signal is outputted from said second gate pad and given to a gate pad of the transistor arranged at the position farther from said second control circuit.

### Claim 3 (depends on 2)

The power semiconductor device according to claim 2, wherein
in said first switching part, said first IGBT is arranged near said first control circuit,
in said second switching part, said second IGBT is arranged near said second control circuit.

### Claim 4 (depends on 2)

The power semiconductor device according to claim 2, wherein
in said first switching part, said first MOSFET is arranged near said first control circuit,
in said second switching part, said second MOSFET is arranged near said second control circuit.

### Claim 5 (depends on 1)

The power semiconductor device according to claim 1, wherein
a threshold voltage of said first IGBT is set lower than a threshold voltage of said first MOSFET,
a threshold voltage of said second IGBT is set lower than a threshold voltage of said second MOSFET.

### Claim 6 (depends on 1)

The power semiconductor device according to claim 1, wherein
the transistor within said first switching part which is arranged at the position farther from said first control circuit has a resistive element provided between a gate pad and a gate thereof,
the transistor within said second switching part which is arranged at the position farther from said second control circuit has a resistive element provided between a gate pad and a gate thereof.

### Claim 7

A power semiconductor device comprising, in a modularized manner:
an inverter including first and second switching parts that operate in a complementary manner, said first and second switching parts being interposed in series with each other between a first power supply line that supplies a first voltage and a second power supply line that supplies a second voltage; and
first and second control circuits for controlling switching operations of said first and second switching parts, respectively,
wherein
said first switching part includes a first IGBT and a first MOSFET, one main electrode of each of said first IGBT and said first MOSFET being connected to said first power supply line and the other main electrode of each of said first IGBT and said first MOSFET being connected to an output node of said inverter,
said second switching part includes a second IGBT and a second MOSFET, one main electrode of each of said second IGBT and said second MOSFET being connected to said second power supply line and the other main electrode of each of said second IGBT and said second MOSFET being connected to said output node of said inverter,
a gate control signal supplied from said first control circuit is given to a gate of said first IGBT through a first resistive element,
said gate control signal supplied from said first control circuit is given to said first MOSFET through a second resistive element,
a resistance value of said second resistive element is higher than a resistance value of said first resistive element, and a diode is connected in inverse parallel with said second resistive element,
a gate control signal supplied from said second control circuit is given to a gate of said second IGBT through a first resistive element,
said gate control signal supplied from said second control circuit is given to said second MOSFET through a second resistive element,
a resistance value of said second resistive element is higher than a resistance value of said first resistive element, and a diode is connected in inverse parallel with said second resistive element.

### Claim 8

A power semiconductor device comprising, in a modularized manner:
an inverter including first and second switching parts that operate in a complementary manner, said first and second switching parts being interposed in series with each other between a first power supply line that supplies a first voltage and a second power supply line that supplies a second voltage; and
first and second control circuits for controlling switching operations of said first and second switching parts, respectively,
wherein
said first switching part includes a first IGBT and a first MOSFET, one main electrode of each of said first IGBT and said first MOSFET being connected to said first power supply line and the other main electrode of each of said first IGBT and said first MOSFET being connected to an output node of said inverter,
said second switching part includes a second IGBT and a second MOSFET, one main electrode of each of said second IGBT and said second MOSFET being connected to said second power supply line and the other main electrode of each of said second IGBT and said second MOSFET being connected to said output node of said inverter,
in a plane layout of said power semiconductor device:
said first control circuit is arranged at a position opposed to said first switching part, and one of said first IGBT and said first MOSFET is arranged near said first control circuit while the other of said first IGBT and said first MOSFET is arranged at a position farther from said first control circuit; and
said second control circuit is arranged at a position opposed to said second switching part, and one of said second IGBT and said second MOSFET is arranged near said second control circuit while the other of said second IGBT and said second MOSFET is arranged at a position farther from said second control circuit,
each of said first IGBT and said first MOSFET is a transistor with a vertical structure in which a main current flows perpendicularly to a main surface of a semiconductor substrate,
in a transistor within said first switching part which is arranged near said first control circuit, a gate pad connected to a gate of said transistor is provided at said first control circuit side within a plane of said other main electrode side, and a relay pattern is provided at a side opposite to said first control circuit within a plane of said other main electrode side,
a first gate control signal supplied from said first control circuit is given to said gate pad while a second gate control signal supplied from said first control circuit is given to said relay pattern, and said second gate control signal is given through said relay pattern to a gate pad of a transistor arranged at the position farther from said first control circuit,
each of said second IGBT and said second MOSFET is a transistor with a vertical structure in which a main current flows perpendicularly to a main surface of a semiconductor substrate,
in a transistor within said second switching part which is arranged near said second control circuit, a gate pad connected to a gate of said transistor is provided at said second control circuit side within a plane of said other main electrode side, and a relay pattern is provided at a side opposite to said second control circuit within a plane of said other main electrode side,
a first gate control signal supplied from said second control circuit is given to said gate pad while a second gate control signal supplied from said second control circuit is given to said relay pattern, and said second gate control signal is given through said relay pattern to a gate pad of a transistor arranged at the position farther from said second control circuit.

### Claim 9 (depends on 8)

The power semiconductor device according to claim 8, wherein
said first control circuit gives said first and second gate control signals such that said first IGBT is firstly turned on at a time of turning on and said first MOSFET is firstly turned off at a time of turning off,
said second control circuit gives said first and second gate control signals such that said second IGBT is firstly turned on at a time of turning on and said second MOSFET is firstly turned off at a time of turning off.

### Claim 10

A power semiconductor device comprising, in a modularized manner:
an inverter including first and second switching parts that operate in a complementary manner, said first and second switching parts being interposed in series with each other between a first power supply line that supplies a first voltage and a second power supply line that supplies a second voltage; and
first and second control circuits for controlling switching operations of said first and second switching parts, respectively,
wherein
said first switching part includes a first IGBT and a first MOSFET, one main electrode of each of said first IGBT and said first MOSFET being connected to said first power supply line and the other main electrode of each of said first IGBT and said first MOSFET being connected to an output node of said inverter,
said second switching part includes a second IGBT and a second MOSFET, one main electrode of each of said second IGBT and said second MOSFET being connected to said second power supply line and the other main electrode of each of said second IGBT and said second MOSFET being connected to said output node of said inverter,
said first control circuit individually controls switching operations of said first IGBT and said first MOSFET such that said first IGBT is firstly turned on at a time of turning on and said first MOSFET is firstly turned off at a time of turning off,
said second control circuit individually controls switching operations of said second IGBT and said second MOSFET such that said second IGBT is firstly turned on at a time of turning on and said second MOSFET is firstly turned off at a time of turning off.

### Claim 11 (depends on 1)

The power semiconductor device according to claim 1, wherein
said first and second MOSFET is either one of a silicon carbide MOSFET formed on a silicon carbide substrate and a gallium nitride MOSFET formed on a substrate made of a material containing gallium nitride.

### Claim 12 (depends on 7)

The power semiconductor device according to claim 7, wherein
said first and second MOSFET is either one of a silicon carbide MOSFET formed on a silicon carbide substrate and a gallium nitride MOSFET formed on a substrate made of a material containing gallium nitride.

### Claim 13 (depends on 8)

The power semiconductor device according to claim 8, wherein
said first and second MOSFET is either one of a silicon carbide MOSFET formed on a silicon carbide substrate and a gallium nitride MOSFET formed on a substrate made of a material containing gallium nitride.

### Claim 14 (depends on 10)

The power semiconductor device according to claim 10, wherein
said first and second MOSFET is either one of a silicon carbide MOSFET formed on a silicon carbide substrate and a gallium nitride MOSFET formed on a substrate made of a material containing gallium nitride.
