JP6818785B2 - パワー半導体装置及びそれを用いた電力変換装置 - Google Patents
パワー半導体装置及びそれを用いた電力変換装置 Download PDFInfo
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- JP6818785B2 JP6818785B2 JP2019011798A JP2019011798A JP6818785B2 JP 6818785 B2 JP6818785 B2 JP 6818785B2 JP 2019011798 A JP2019011798 A JP 2019011798A JP 2019011798 A JP2019011798 A JP 2019011798A JP 6818785 B2 JP6818785 B2 JP 6818785B2
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Description
本発明の目的は、生産工程におけるパワー半導体素子の破損を低減することである。
Claims (12)
- インバータ回路の上アームを構成する第1パワー半導体素子と、
前記インバータ回路の下アームを構成する第2パワー半導体素子と、
第1金属接合材を介して前記第1パワー半導体素子と接続される第1導体板と、
前記第1パワー半導体素子を挟んで前記第1導体板と対向して配置される第2導体板と、
第2金属接合材を介して前記第2パワー半導体素子と接続される第3導体板と、
前記第2パワー半導体素子を挟んで前記第3導体板と対向して配置される第4導体板と、
前記第1導体板と一体に形成される直流正極端子と、
前記第4導体板と別体に形成され、第3金属接合材を介して前記第4導体板に接続される直流負極端子と、
前記第3導体板と一体に形成される交流端子と、
前記第1導体板、前記第2導体板、前記第3導体板、及び前記第4導体板を一体に封止する封止部材と、を備え、
前記直流正極端子と前記直流負極端子と前記交流端子とのそれぞれは、前記直流正極端子と前記直流負極端子と前記交流端子とを一体に接続するタイバーが切断された切断部を有することを特徴とするパワー半導体装置。 - 請求項1に記載のパワー半導体装置であって、
前記直流正極端子と前記直流負極端子と前記交流端子とは、前記封止部材から突出し、
前記直流正極端子と前記直流負極端子と前記交流端子とのそれぞれに設けられた前記切断部は、前記封止部材の外側に形成されるパワー半導体装置。 - 請求項2に記載のパワー半導体装置であって、
前記直流正極端子と前記直流負極端子と前記交流端子とは、前記封止部材の同じ面から同じ方向に向かって突出するパワー半導体装置。 - 請求項2又は3に記載のパワー半導体装置であって、
前記第1導体板と前記第3導体板のそれぞれは、前記直流正極端子と前記交流端子の突出方向とは反対方向に向かって前記封止部材から突出する突出部を有するパワー半導体装置。 - 請求項4に記載のパワー半導体装置であって、
前記第1導体板と前記第3導体板のそれぞれに設けられた前記突出部は、当該突出部の各々を一体に接続するタイバーが切断された切断部が形成されているパワー半導体装置。 - 請求項2乃至5のいずれかに記載のパワー半導体装置であって、
前記第1パワー半導体素子または前記第2パワー半導体素子とボンディングワイヤを介して接続される複数の信号接続端子を備え、
前記複数の信号接続端子は、前記封止部材から突出するとともに、前記封止部材の外側に切断部を有するパワー半導体装置。 - 請求項6に記載のパワー半導体装置であって、
前記複数の信号接続端子のそれぞれは、当該複数の信号接続端子の配列方向とは直交する方向に沿って延びるとともに、第1の部分および前記第1の部分よりも前記配列方向に沿う幅が大きい第2の部分を有し、
前記複数の信号接続端子のそれぞれに形成された前記切断部は、前記複数の信号接続端子のそれぞれの前記第2の部分に形成されるパワー半導体装置。 - 請求項1乃至7のいずれかに記載のパワー半導体装置であって、
前記直流正極端子の切断部と、前記直流負極端子の切断部と、前記交流端子の切断部と、は、一列に形成されるパワー半導体装置。 - 請求項1乃至8のいずれかに記載のパワー半導体装置であって、
前記直流負極端子は、前記直流正極端子と前記交流端子との間に配置されるパワー半導体装置。 - 請求項9に記載のパワー半導体装置であって、
前記直流負極端子は、前記第1導体板と前記第3導体板との間の空間から、前記封止部材の外側へと延びるパワー半導体装置。 - 請求項10に記載のパワー半導体装置であって、
前記直流正極端子と前記直流負極端子と前記交流端子とは、第1の方向に沿って並んで配置され、
前記直流負極端子は、前記封止部材の外側に形成された第1の部分と、前記第1の方向に沿う幅が前記第1の部分よりも小さい第2の部分と、を有するパワー半導体装置。 - 請求項1乃至11のいずれかに記載のパワー半導体装置と、
前記パワー半導体装置の直流正極端子と接続される正極導体板と、
前記パワー半導体装置の直流負極端子と接続される負極導体板と、を備え、
前記正極導体板と前記負極導体板とは、絶縁部材を介して互いに対向して配置されている電力変換装置。
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JP2016182037A (ja) | 2016-10-13 |
US11432419B2 (en) | 2022-08-30 |
JP2019071784A (ja) | 2019-05-09 |
US10512181B2 (en) | 2019-12-17 |
JP2021052587A (ja) | 2021-04-01 |
JP6663810B2 (ja) | 2020-03-13 |
EP2416483A2 (en) | 2012-02-08 |
US20200068735A1 (en) | 2020-02-27 |
JP5380376B2 (ja) | 2014-01-08 |
JP2014027877A (ja) | 2014-02-06 |
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US10034401B2 (en) | 2018-07-24 |
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