JP2010232576A - パワー半導体装置 - Google Patents
パワー半導体装置 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 129
- 229910052751 metal Inorganic materials 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 230000004888 barrier function Effects 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 19
- 229910010271 silicon carbide Inorganic materials 0.000 description 18
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 15
- 229910002601 GaN Inorganic materials 0.000 description 14
- 238000011084 recovery Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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Abstract
【解決手段】Siを基体として用いる電力半導体素子とSiよりもエネルギーバンドギャップが広い半導体を基体として用いる電力半導体素子を、それぞれ別の絶縁金属基板に搭載し、さらにこれら絶縁金属基板がそれぞれ別の放熱用金属ベースに搭載されるので、両電力半導体素子間における熱の伝わりが抑制される。また、両電力半導体素子が接続される正負極主端子を互いに電気的に分離するので、両電力半導体素子のリーク電流を正確に検査することができる。
【選択図】 図1
Description
12 SiC−SBD
21 エミッタ端子
22 コレクタ端子
23 エミッタ制御端子
24 ゲート制御端子
25 カソード端子
26 アノード端子
31,32 絶縁金属基板
38,39 放熱用金属ベース
33,34,35,36,37 絶縁基板上の配線パターン
40 樹脂ケース
Claims (7)
- Siを基体として用いる第一の電力半導体素子と、Siよりもエネルギーバンドギャップが広い半導体を基体として用いる第二の電力半導体素子と、を備えるパワー半導体装置において、
前記第一の電力半導体素子が搭載される第一の絶縁金属基板と、
前記第一の絶縁基板が搭載される第一の放熱用金属ベースと、
前記第二の電力半導体素子が搭載される第二の絶縁金属基板と、
前記第二の絶縁基板が搭載される第二の放熱用金属ベースと、
を備えることを特徴とするパワー半導体装置。 - 請求項1に記載されるパワー半導体装置において、前記第一の電力半導体素子が接続される主端子と前記第二の電力半導体素子が接続される主端子とが、電気的に分離されていることを特徴とするパワー半導体装置。
- Siを基体として用いる第一の電力半導体素子と、Siよりもエネルギーバンドギャップが広い半導体を基体として用いる第二の電力半導体素子と、を備えるパワー半導体装置において、
前記第一の電力半導体素子が接続される主端子と前記第二の電力半導体素子が接続される主端子とが、電気的に分離されていることを特徴とするパワー半導体装置。 - 請求項1乃至3のいずれか1項に記載のパワー半導体装置において、前記第一の電力半導体素子がスイッチング素子であり、前記第二の電力半導体素子がダイオードであることを特徴と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において、前記第一の電力半導体素子がIGBTであり、前記第二の電力半導体素子がショットキーバリアダイオードであることを特徴とするパワー半導体装置。
- 請求項4または請求項5に記載のパワー半導体装置において、前記第一の電力半導体素子の素子面積と前記第二の電力半導体素子の素子面積の比が、前記第一の電力半導体素子の素子損失と前記第二の電力半導体素子の素子損失の比の0.8倍〜1.2倍であることを特徴と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において、前記第一の電力半導体素子の素子面積が、前記第二の電力半導体素子の素子面積の3倍以上であることを特徴とするパワー半導体装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009080850A JP4988784B2 (ja) | 2009-03-30 | 2009-03-30 | パワー半導体装置 |
DE102010008485A DE102010008485B4 (de) | 2009-03-30 | 2010-02-18 | Leistungshalbleitergerät |
US12/707,909 US8441075B2 (en) | 2009-03-30 | 2010-02-18 | Power semiconductor apparatus having a silicon power semiconductor device and a wide gap semiconductor device |
US13/845,627 US8860170B2 (en) | 2009-03-30 | 2013-03-18 | Power semiconductor with a Si chip and a wideband chip having matched loss and area ratios |
US14/481,962 US9171831B2 (en) | 2009-03-30 | 2014-09-10 | Power semiconductor with a Si chip and a wideband chip having matched loss and area ratios |
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Also Published As
Publication number | Publication date |
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DE102010008485B4 (de) | 2013-01-10 |
US20130214328A1 (en) | 2013-08-22 |
US20100244092A1 (en) | 2010-09-30 |
JP4988784B2 (ja) | 2012-08-01 |
US8860170B2 (en) | 2014-10-14 |
US9171831B2 (en) | 2015-10-27 |
US20140374794A1 (en) | 2014-12-25 |
US8441075B2 (en) | 2013-05-14 |
DE102010008485A1 (de) | 2011-04-14 |
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