JP6925506B2 - 半導体パワーモジュールおよび電力変換装置 - Google Patents
半導体パワーモジュールおよび電力変換装置 Download PDFInfo
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
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Description
実施の形態1に係る半導体パワーモジュールについて説明する。図1および図2に示すように、半導体パワーモジュール1は、主として、ベース板3、絶縁基板7、パワー半導体素子17、外部端子23、主端子31、被接続体33、ケース21、高絶縁耐電圧性樹脂剤25、封止樹脂27およびフタ29を備えている。
実施の形態2に係る半導体パワーモジュールについて説明する。図18に示すように、半導体パワーモジュール1における被接続体33では、受け入れ部34の上端側に第1テーパー部としてのテーパー部40が設けられている。テーパー部40は外側(上方)に向かって拡がる態様で形成されている。なお、これ以外の構成については、図1および図2に示す半導体パワーモジュール1と同様なので、同一部材には同一符号を付し、必要である場合を除きその説明を繰り返さないこととする。
実施の形態1、2では、被接続体に受け入れ部が形成された半導体パワーモジュールを例に挙げて説明した。ここでは、主端子に受け入れ部が形成された半導体パワーモジュールについて説明する。
ここでは、主端子と被接続体とが、金属間接合によって電気的に接続された半導体パワーモジュールの一例について説明する。
ここでは、主端子と被接続体とが、金属間接合によって電気的に接続された半導体パワーモジュールの他の例について説明する。
ここでは、上述した実施の形態1〜5に係るパワーモジュールを適用した電力変換装置について説明する。本発明は特定の電力変換装置に限定されるものではないが、以下、実施の形態6として、三相のインバータに本発明を適用した場合について説明する。
Claims (15)
- ベース板と、
前記ベース板に実装され、導電性パターンを含む絶縁基板と、
前記導電性パターンに実装されたパワー半導体素子と、
前記絶縁基板を取り囲むように前記ベース板に装着されたケース材と、
前記ケース材に取り付けられ、外部との電気的な接続を行う主端子と、
前記導電性パターンに接続されるとともに、前記主端子が接続される被接続体と、
前記ケース材の内側に充填され、前記絶縁基板、前記主端子および前記被接続体を封止する封止材と
を有し、
前記主端子および前記被接続体では、
前記主端子および前記被接続体の一方に設けられ、前記主端子および前記被接続体の他方を受け入れる受け入れ部と、
前記受け入れ部における前記絶縁基板が位置する側の第1端部から前記絶縁基板が位置する側とは反対側の第2端部に向かって、前記受け入れ部に形成されたスリット部と
を備えた、半導体パワーモジュール。 - 前記受け入れ部は前記被接続体に設けられ、
前記主端子は、前記受け入れ部における前記第2端部から前記受け入れ部に受け入れられた、請求項1記載の半導体パワーモジュール。 - 前記受け入れ部における前記第2端部では、外側に向けて広がる第1テーパー部が設けられた、請求項2記載の半導体パワーモジュール。
- 前記スリット部は、前記第1端部から前記第2端部の側へ向かって間隔が徐々に狭くなるように形成された第2テーパー部を含む、請求項3記載の半導体パワーモジュール。
- 前記スリット部は、前記第1端部から前記第2端部の側へ向かって間隔が徐々に狭くなるように形成された第2テーパー部を含む、請求項2記載の半導体パワーモジュール。
- 前記受け入れ部は前記主端子に設けられ、
前記被接続体は、前記受け入れ部における前記第1端部から前記受け入れ部に受け入れられた、請求項1記載の半導体パワーモジュール。 - 前記受け入れ部における前記第1端部では、外側に向けて広がる第3テーパー部が設けられた、請求項6記載の半導体パワーモジュール。
- 前記スリット部は、前記第1端部から前記第2端部の側へ向かって間隔が徐々に狭くなるように形成された第4テーパー部を含む、請求項7記載の半導体パワーモジュール。
- 前記スリット部は、前記第1端部から前記第2端部の側へ向かって間隔が徐々に狭くなるように形成された第4テーパー部を含む、請求項6記載の半導体パワーモジュール。
- 前記主端子と前記被接続体とは、金属間接合された、請求項1記載の半導体パワーモジュール。
- 前記金属間接合は、はんだによる接合を含む、請求項10記載の半導体パワーモジュール。
- 前記金属間接合は、導電性接着材による接合を含む、請求項10記載の半導体パワーモジュール。
- 前記封止材は、
前記絶縁基板を封止する第1封止材と、
前記第1封止材を覆うように充填された第2封止材と
を含む、請求項1記載の半導体パワーモジュール。 - 前記受け入れ部の形状は、筒状の箱型を含む、請求項1〜13のいずれか1項に記載の半導体パワーモジュール。
- 請求項1に記載の半導体パワーモジュールを有し、入力される電力を変換して出力する主変換回路と、
前記主変換回路を制御する制御信号を前記主変換回路に出力する制御回路と
を備えた、電力変換装置。
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JP2018046377 | 2018-03-14 | ||
JP2018046377 | 2018-03-14 | ||
PCT/JP2018/045814 WO2019176199A1 (ja) | 2018-03-14 | 2018-12-13 | 半導体パワーモジュールおよび電力変換装置 |
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JP6925506B2 true JP6925506B2 (ja) | 2021-08-25 |
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US (1) | US11916001B2 (ja) |
JP (1) | JP6925506B2 (ja) |
CN (1) | CN111801794A (ja) |
DE (1) | DE112018007278T5 (ja) |
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JP7108567B2 (ja) * | 2019-03-20 | 2022-07-28 | 株式会社東芝 | パワーモジュール |
US11071206B2 (en) * | 2019-10-17 | 2021-07-20 | Infineon Technologies Austria Ag | Electronic system and processor substrate having an embedded power device module |
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