JP6339022B2 - 半導体装置、自動車 - Google Patents
半導体装置、自動車 Download PDFInfo
- Publication number
- JP6339022B2 JP6339022B2 JP2014554025A JP2014554025A JP6339022B2 JP 6339022 B2 JP6339022 B2 JP 6339022B2 JP 2014554025 A JP2014554025 A JP 2014554025A JP 2014554025 A JP2014554025 A JP 2014554025A JP 6339022 B2 JP6339022 B2 JP 6339022B2
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- Prior art keywords
- control signal
- temperature
- electrode
- semiconductor device
- semiconductor element
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- 239000004065 semiconductor Substances 0.000 title claims description 93
- 238000001514 detection method Methods 0.000 claims description 23
- 239000011347 resin Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000000758 substrate Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Inverter Devices (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
図1は、本発明の実施の形態1に係る半導体装置の図である。この半導体装置は、基板10を備えている。基板10は例えばヒートスプレッダで形成されている。基板10の上には例えばはんだで半導体素子12が固定されている。半導体素子12は表面にゲート12aとエミッタ12bを有するIGBTで形成されている。基板10上の半導体素子12の横には例えばはんだで、還流ダイオードとして機能するダイオード14が固定されている。ダイオード14は表面電極14aを有している。
本発明の実施の形態2に係る半導体装置は実施の形態1に係る半導体装置と一致点が多いので、実施の形態1に係る半導体装置との相違点を中心に説明する。図5は、本発明の実施の形態2に係る半導体装置の図である。この半導体装置は、電極30に加えて半導体素子12の温度も検出するものである。
本発明の実施の形態3に係る半導体装置は実施の形態1に係る半導体装置と一致点が多いので、実施の形態1に係る半導体装置との相違点を中心に説明する。図6は、本発明の実施の形態3に係る半導体装置の図である。この半導体装置は、制御部110が実施の形態1と異なっている。
本発明の実施の形態4は自動車に関する。本発明の実施の形態4に係る自動車は実施の形態1の半導体装置を含む。図7は、本発明の実施の形態4に係る自動車の図である。この自動車はエンジン200とモータ202の両方又は一方を用いて走行するハイブリッドカーである。モータ202は、インバータ204で制御される。インバータ204は、図1で説明した半導体装置を含む。より具体的には、例えば半導体素子12が6つ並べられて3相交流インバータを形成している。そして、モータ202はインバータ204に含まれる半導体素子の主電流によって制御される。
Claims (7)
- ゲートを有し、ゲート電圧により制御される半導体素子と、
前記ゲート電圧を制御するゲート駆動回路と、
前記半導体素子と接続され、前記半導体素子の主電流が流れる電極と、
前記電極の温度を検出する温度検出部と、
前記温度検出部で検出した温度に基づき、前記電極の温度が予め定められた温度を超えない範囲で前記半導体素子に最大の主電流を与える第1制御信号を生成する生成部と、
前記第1制御信号と、前記ゲート電圧を制御するために外部から伝送された第2制御信号とを比較し、前記電極の温度を抑制できる方の制御信号である選択制御信号を選択する比較部と、を備え、
前記ゲート駆動回路は前記選択制御信号に従い前記ゲート電圧を制御することを特徴とする半導体装置。 - 前記生成部は、前記電極の形状モデルを利用して前記第1制御信号を生成することを特徴とする請求項1に記載の半導体装置。
- 前記生成部は、前記電極の温度に対応する前記第1制御信号を記憶したマップデータを利用して前記第1制御信号を生成することを特徴とする請求項1に記載の半導体装置。
- 前記半導体素子に取り付けられた素子温度検出部と、
前記素子温度検出部で検出した温度に基づき、前記半導体素子の温度が予め定められた温度を超えない範囲で前記半導体素子に最大の主電流を与える第3制御信号を生成する第3制御信号生成部と、を備え、
前記比較部では、前記第1制御信号と前記第2制御信号と前記第3制御信号を比較することを特徴とする請求項1乃至3のいずれか1項に記載の半導体装置。 - 前記電極は主電流経路から分岐した分岐部を有し、
前記温度検出部は、前記分岐部に取り付けられたことを特徴とする請求項1乃至4のいずれか1項に記載の半導体装置。 - 前記半導体素子と前記電極を、前記電極の一部を外部に露出させるように覆う樹脂と、
前記樹脂内で前記電極に接続され、一部が前記樹脂の外部に露出する金属部と、
前記金属部の前記樹脂の外部に露出した部分を接点とするソケットと、を備え、
前記温度検出部は前記ソケットに挿入できる形状であることを特徴とする請求項1乃至4のいずれか1項に記載の半導体装置。 - 請求項1乃至6のいずれか1項に記載の半導体装置を備えた自動車。
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JP7090044B2 (ja) * | 2019-03-04 | 2022-06-23 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP7322654B2 (ja) * | 2019-10-15 | 2023-08-08 | 富士電機株式会社 | 半導体モジュール |
WO2021117227A1 (ja) * | 2019-12-13 | 2021-06-17 | 三菱電機株式会社 | 半導体装置、半導体システム、移動体、及び半導体装置の製造方法 |
CN117981082A (zh) * | 2021-09-17 | 2024-05-03 | 罗姆股份有限公司 | 半导体装置、半导体装置的驱动装置以及半导体装置的制造方法 |
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