WO2022209544A1 - 半導体装置、温度検出システム及び車両 - Google Patents
半導体装置、温度検出システム及び車両 Download PDFInfo
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- WO2022209544A1 WO2022209544A1 PCT/JP2022/008816 JP2022008816W WO2022209544A1 WO 2022209544 A1 WO2022209544 A1 WO 2022209544A1 JP 2022008816 W JP2022008816 W JP 2022008816W WO 2022209544 A1 WO2022209544 A1 WO 2022209544A1
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- WIPO (PCT)
- Prior art keywords
- temperature
- semiconductor device
- voltage
- temperature detection
- signal
- Prior art date
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- 238000001514 detection method Methods 0.000 title claims abstract description 113
- 239000004065 semiconductor Substances 0.000 title claims abstract description 58
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 4
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 6
- 101000786631 Homo sapiens Protein SYS1 homolog Proteins 0.000 description 5
- 102100025575 Protein SYS1 homolog Human genes 0.000 description 5
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 4
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 2
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/01—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/07—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common
- H01L27/0705—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type
Definitions
- the invention disclosed in this specification relates to a semiconductor device, a temperature detection system, and a vehicle.
- the IPM disclosed in Patent Document 1 includes a temperature measurement circuit that measures the chip temperature.
- the temperature measurement circuit is configured so that it can only measure temperatures between 15° C. and 150° C. inclusive. Therefore, the IPM disclosed in Patent Literature 1 has a problem that it cannot detect the chip temperature at startup when used in cold regions, for example.
- a semiconductor device disclosed in this specification includes a power element, a drive circuit configured to drive the power element, and a temperature detection circuit configured to detect a temperature of 0° C. or less. Prepare.
- the temperature detection circuit is configured to generate and output a detection signal having a temperature change rate smaller than that of the voltage signal, based on the temperature-dependent voltage signal.
- a temperature detection system disclosed herein includes the semiconductor device described above and a computer including an analog input port configured to input an analog voltage signal.
- the vehicle disclosed in this specification includes the above semiconductor device.
- FIG. 1 is a diagram showing a schematic configuration of a motor control system according to one embodiment.
- FIG. 2 is a diagram showing a configuration example of a temperature detection circuit.
- FIG. 3 is a graph showing temperature characteristics of a voltage signal and an output signal.
- FIG. 4 is an external view of a vehicle according to one embodiment.
- the motor control system SYS1 includes a temperature detection system SYS2.
- the temperature detection system SYS2 includes an MCU1 and an IPM2.
- the first terminal T1 is configured to receive the first power supply voltage VCC1.
- the second to fourth terminals T2 to T4 are configured to receive the above-described first to third control signals, respectively.
- the fifth terminal T5 is configured to be connected to ground potential.
- the eleventh terminal T11 is configured to output an output signal (detection signal) VOT of the temperature detection circuit 27, which will be described later.
- the eleventh terminal T11 of IPM2 and the seventh port P7 of MCU1 are connected only by a connection line. In other words, there is no conversion circuit between the eleventh terminal T11 of the IPM2 and the seventh port P7 of the MCU1 for converting the output signal VOT of the temperature detection circuit 27, which will be described later. Since the temperature detection system SYS2 does not need to have a plurality of conversion circuits for converting the output signal VOT of the temperature detection circuit 27, the number of parts can be reduced, and the size and cost can be reduced.
- the IPM 2 further includes a first drive circuit 21, IGBTs (Insulated Gate Bipolar Transistors) 22u, 22v and 22w, and diodes 23u, 23v and 23w.
- IGBTs Insulated Gate Bipolar Transistors
- the power elements provided in the semiconductor device are IGBTs, but power elements other than IGBTs may be provided in the semiconductor device.
- the second drive circuit 24 is connected to the sixth to tenth terminals T6 to T10 inside the IPM2.
- the second drive circuit 24 operates with a voltage between the second power supply voltage VCC2 and the ground potential.
- the second drive circuit 24 generates a fourth drive signal based on the fourth control signal input to the seventh terminal T7, and supplies the fourth drive signal to the gate of the IGBT 25u.
- the second drive circuit 24 generates a fifth drive signal based on the fifth control signal input to the eighth terminal T8, and supplies the fifth drive signal to the gate of the IGBT 25v.
- the second drive circuit 24 generates a sixth drive signal based on the sixth control signal input to the ninth terminal T9, and supplies the sixth drive signal to the gate of the IGBT 25w.
- the collector of the IGBT 25u and the cathode of the diode 26u are connected to the thirteenth terminal T13 inside the IPM2.
- the emitter of the IGBT 25u and the anode of the diode 26u are connected to the sixteenth terminal T16 inside the IPM2.
- the collector of the IGBT 25v and the cathode of the diode 26v are connected to the fourteenth terminal T14 inside the IPM2.
- the emitter of the IGBT 25v and the anode of the diode 26v are connected to the seventeenth terminal T17 inside the IPM2.
- the collector of the IGBT 25w and the cathode of the diode 26w are connected to the fifteenth terminal T15 inside the IPM2.
- the emitter of the IGBT 25w and the anode of the diode 26w are connected to the eighteenth terminal T18 inside the IPM2.
- the voltage signal generation circuit 271 is configured to generate a temperature dependent voltage signal VT.
- the voltage signal generation circuit 271 includes an operational amplifier OP1 and resistors R1 and R2.
- a non-inverting input terminal of the operational amplifier OP1 is connected to the output terminal of the operational amplifier OP1.
- the inverting input terminal of the operational amplifier OP1 is connected to the output terminal of the operational amplifier OP1 via the resistor R1.
- the inverting input terminal of the operational amplifier OP1 is connected to the ground potential via the resistor R2.
- the input stage of the operational amplifier OP1 is composed of a differential pair of transistors having different threshold voltages.
- the temperature change rate (temperature coefficient) of the voltage signal VT is substantially constant within the temperature detection range of the temperature detection circuit 27 (-40° C. or more and 150° C. or less).
- the inverting input terminal of the operational amplifier OP2 is connected to the output terminal of the operational amplifier OP2 via the resistor R3. Also, the inverting input terminal of the operational amplifier OP2 is connected to the ground potential via the resistor R4. A bias voltage VBIAS that changes little with temperature is output from the output terminal of the operational amplifier OP2.
- FIG. 3 is a graph showing temperature characteristics of the voltage signal VT and the output signal VOT of the temperature detection circuit 27.
- FIG. The horizontal axis of the graph shown in FIG. 3 indicates temperature.
- the vertical axis of the graph shown in FIG. 3 indicates the voltage value of the signal.
- the motor control system SYS1 shown in FIG. 1 can be mounted, for example, on the vehicle X shown in FIG.
- the three-phase motor 3 can be a motor provided inside a compressor, which is a component of an in-vehicle air conditioner, for example.
- the MCU 1 can determine, based on the output signal VOT of the temperature detection circuit 27, whether the internal temperature of the IPM 2 is equal to or higher than the minimum temperature at which the compressor can be started.
- the semiconductor device having the third configuration described above can detect the internal temperature of the semiconductor device at startup even in winter, for example, in most of the cold regions in Japan.
- the conversion circuit includes a voltage feedback operational amplifier, the voltage signal is input to the voltage feedback operational amplifier, and the detection signal is output from the voltage feedback operational amplifier. (Seventh configuration).
- the semiconductor device having the seventh configuration can realize conversion from a voltage signal to a detection signal with a simple circuit configuration.
- the conversion circuit includes a DC bias voltage supply unit configured to supply a DC bias voltage to the voltage feedback operational amplifier (eighth configuration), good too.
- the conversion circuit may include a voltage follower circuit provided between the voltage feedback operational amplifier and the DC bias voltage supply unit (ninth configuration). good.
- the semiconductor device having the ninth configuration can improve voltage characteristics in the conversion circuit.
- the temperature detection system (SYS2) described above includes a computer (1) including a semiconductor device having any one of the first to ninth configurations and an analog input port (P7) configured to input an analog voltage signal. and a configuration (tenth configuration).
- the temperature detection system having the tenth configuration can detect the internal temperature of the semiconductor device at startup, for example, in a cold region. That is, the temperature detection system having the fifth configuration can detect the internal temperature of the semiconductor device when the semiconductor device is activated under a wide range of usage environments. Moreover, since there is no need to provide a conversion circuit between the terminal of the temperature detection circuit and the analog input port of the computer, miniaturization and cost reduction can be achieved.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Conversion In General (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
2 IPM
3 三相モータ
21 第1駆動回路
22u、22v、22w、25u、25v、25w IGBT
23u、23v、23w、26u、26v、26w ダイオード
24 第2駆動回路
27 温度検出回路
271 電圧信号生成回路
272 変換回路
BG1 バンドギャップ型基準電圧生成回路
OP1~OP4 オペアンプ
R1~R8 抵抗
P1~P7 第1ポート~第7ポート
SYS1 モータ制御システム
SYS2 温度検出システム
T1~T18 第1端子~第18端子
X 車両
Claims (11)
- パワー素子と、
前記パワー素子を駆動するように構成される駆動回路と、
0℃以下の温度を検出可能に構成される温度検出回路と、を備え、
前記温度検出回路は、温度に依存する電圧信号に基づき、前記電圧信号より温度変化率の小さい検出信号を生成して出力するように構成される、半導体装置。 - 前記温度検出回路は、0℃の温度を検出しているときに、正の値である前記検出信号を出力するように構成される、請求項1に記載の半導体装置。
- 前記温度検出回路は、-25℃の温度を検出しているときに、正の値である前記検出信号を出力するするように構成される、請求項2に記載の半導体装置。
- 前記温度検出回路は、-40℃の温度を検出しているときに、正の値である前記検出信号を出力するするように構成される、請求項3に記載の半導体装置。
- 前記検出信号を出力するように構成される端子を1つのみ備える、請求項1~4のいずれか一項に記載の半導体装置。
- 前記温度検出回路は、
前記電圧信号を生成するように構成される電圧信号生成回路と、
前記電圧信号を前記検出信号に変換するように構成される変換回路と、を備える、請求項1~5のいずれか一項に記載の半導体装置。 - 前記変換回路は、電圧帰還型オペアンプを含み、
前記電圧信号は前記電圧帰還型オペアンプに入力され、
前記検出信号は前記電圧帰還型オペアンプから出力される、請求項6に記載の半導体装置。 - 前記変換回路は、前記電圧帰還型オペアンプに直流バイアス電圧を供給するように構成される直流バイアス電圧供給部を含む、請求項7に記載の半導体装置。
- 前記変換回路は、前記電圧帰還型オペアンプと前記直流バイアス電圧供給部との間に設けられるボルテージフォロワ回路を含む、請求項8に記載の半導体装置。
- 請求項1~9のいずれか一項に記載の半導体装置と、
アナログ電圧信号を入力するように構成されるアナログ入力ポートを含むコンピュータと、を備える、温度検出システム。 - 請求項1~9のいずれか一項に記載の半導体装置を備える、車両。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN202280023543.8A CN117043950A (zh) | 2021-04-01 | 2022-03-02 | 半导体装置、温度检测系统以及车辆 |
JP2023510706A JPWO2022209544A1 (ja) | 2021-04-01 | 2022-03-02 | |
DE112022000910.1T DE112022000910T5 (de) | 2021-04-01 | 2022-03-02 | Halbleiterbauteil, temperaturerfassungssystem und fahrzeug |
US18/478,153 US20240027282A1 (en) | 2021-04-01 | 2023-09-29 | Semiconductor device, temperature detection system, and vehicle |
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JP2021-062761 | 2021-04-01 | ||
JP2021062761 | 2021-04-01 |
Related Child Applications (1)
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US18/478,153 Continuation US20240027282A1 (en) | 2021-04-01 | 2023-09-29 | Semiconductor device, temperature detection system, and vehicle |
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WO2022209544A1 true WO2022209544A1 (ja) | 2022-10-06 |
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US (1) | US20240027282A1 (ja) |
JP (1) | JPWO2022209544A1 (ja) |
CN (1) | CN117043950A (ja) |
DE (1) | DE112022000910T5 (ja) |
WO (1) | WO2022209544A1 (ja) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH04313020A (ja) * | 1991-03-28 | 1992-11-05 | Mitsubishi Electric Corp | 半導体センサ及びその調整方法 |
JP2001255213A (ja) * | 2000-03-13 | 2001-09-21 | Toyoda Mach Works Ltd | 温度検出装置 |
JP2002076804A (ja) * | 2000-09-05 | 2002-03-15 | Omron Corp | 温度調整器の入力回路 |
JP2003149055A (ja) * | 2001-11-08 | 2003-05-21 | Toshiba Corp | 温度センサ及びその調整方法 |
JP2009139130A (ja) * | 2007-12-04 | 2009-06-25 | Ricoh Co Ltd | 温度検出回路 |
JP2011133420A (ja) * | 2009-12-25 | 2011-07-07 | Mitsubishi Electric Corp | スイッチ素子の温度検出方法 |
JP2012167972A (ja) * | 2011-02-14 | 2012-09-06 | Chino Corp | 補正機能付き計測センサ |
JP2013036910A (ja) * | 2011-08-10 | 2013-02-21 | Semiconductor Components Industries Llc | 温度検出回路 |
JP2014098614A (ja) * | 2012-11-14 | 2014-05-29 | Renesas Electronics Corp | 温度センサおよび半導体装置 |
JP2019070656A (ja) * | 2018-12-11 | 2019-05-09 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
Family Cites Families (1)
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JP2010199490A (ja) | 2009-02-27 | 2010-09-09 | Fuji Electric Systems Co Ltd | パワー半導体装置の温度測定装置およびこれを使用したパワー半導体モジュール |
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2022
- 2022-03-02 JP JP2023510706A patent/JPWO2022209544A1/ja active Pending
- 2022-03-02 CN CN202280023543.8A patent/CN117043950A/zh active Pending
- 2022-03-02 DE DE112022000910.1T patent/DE112022000910T5/de active Pending
- 2022-03-02 WO PCT/JP2022/008816 patent/WO2022209544A1/ja active Application Filing
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2023
- 2023-09-29 US US18/478,153 patent/US20240027282A1/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04313020A (ja) * | 1991-03-28 | 1992-11-05 | Mitsubishi Electric Corp | 半導体センサ及びその調整方法 |
JP2001255213A (ja) * | 2000-03-13 | 2001-09-21 | Toyoda Mach Works Ltd | 温度検出装置 |
JP2002076804A (ja) * | 2000-09-05 | 2002-03-15 | Omron Corp | 温度調整器の入力回路 |
JP2003149055A (ja) * | 2001-11-08 | 2003-05-21 | Toshiba Corp | 温度センサ及びその調整方法 |
JP2009139130A (ja) * | 2007-12-04 | 2009-06-25 | Ricoh Co Ltd | 温度検出回路 |
JP2011133420A (ja) * | 2009-12-25 | 2011-07-07 | Mitsubishi Electric Corp | スイッチ素子の温度検出方法 |
JP2012167972A (ja) * | 2011-02-14 | 2012-09-06 | Chino Corp | 補正機能付き計測センサ |
JP2013036910A (ja) * | 2011-08-10 | 2013-02-21 | Semiconductor Components Industries Llc | 温度検出回路 |
JP2014098614A (ja) * | 2012-11-14 | 2014-05-29 | Renesas Electronics Corp | 温度センサおよび半導体装置 |
JP2019070656A (ja) * | 2018-12-11 | 2019-05-09 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
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CN117043950A (zh) | 2023-11-10 |
DE112022000910T5 (de) | 2023-11-23 |
US20240027282A1 (en) | 2024-01-25 |
JPWO2022209544A1 (ja) | 2022-10-06 |
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