JP7242487B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7242487B2 JP7242487B2 JP2019168196A JP2019168196A JP7242487B2 JP 7242487 B2 JP7242487 B2 JP 7242487B2 JP 2019168196 A JP2019168196 A JP 2019168196A JP 2019168196 A JP2019168196 A JP 2019168196A JP 7242487 B2 JP7242487 B2 JP 7242487B2
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- H—ELECTRICITY
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- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
- H03K17/6871—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Power Conversion In General (AREA)
- Electronic Switches (AREA)
- Junction Field-Effect Transistors (AREA)
- Semiconductor Integrated Circuits (AREA)
Description
本実施形態の半導体装置は、第1電極と、第2電極と、第1制御電極と、を有する第1ノーマリーオフトランジスタと、第2電極に第1配線を介して電気的に接続された第3電極と、第4電極と、第2制御電極と、を有するノーマリーオントランジスタと、第5電極と、第3電極に第2配線を介して電気的に接続された第6電極と、第3制御電極と、を有する第2ノーマリーオフトランジスタと、第2制御電極に電気的に接続された第1アノードと、第3電極に電気的に接続された第1カソードと、を有する第1ダイオードと、第1アノード及び第2制御電極に接続された第1端部と、第2端部と、を有するコンデンサと、を備える。
本実施形態の半導体装置は、第2端部に電気的に接続された第2ゲートドライブ回路と、第1制御電極及び第3制御電極に電気的に接続された第3ゲートドライブ回路と、をさらに備える点で、第1実施形態の半導体装置と異なっている。ここで、第1実施形態と重複する点については、記載を省略する。
11 第1電極
12 第2電極
13 第1制御電極
20 ノーマリーオントランジスタ
21 第3電極
22 第4電極
23 第2制御電極
30 第2ノーマリーオフトランジスタ
31 第5電極
32 第6電極
33 第3制御電極
40 第1配線
42 第3配線
46 第2配線
48 第4配線
70 第2ダイオード
71 第2アノード
72 第2カソード
75 抵抗
76 第3端部
77 第4端部
80 第1ダイオード
81 第1アノード
82 第2アノード
85 コンデンサ
86 第1端部
87 第2端部
90 第3ダイオード
91 第3アノード
92 第3カソード
96a 第1ゲートドライブ回路
96b 第2ゲートドライブ回路
96c 第3ゲートドライブ回路
100 半導体装置
110 半導体装置
Claims (3)
- 第1電極と、第2電極と、第1制御電極と、を有する第1ノーマリーオフトランジスタと、
前記第2電極に第1配線を介して電気的に接続された第3電極と、第4電極と、第2制御電極と、を有するノーマリーオントランジスタと、
第5電極と、前記第3電極に第2配線を介して電気的に接続された第6電極と、第3制御電極と、を有する第2ノーマリーオフトランジスタと、
前記第5電極及びグランドに接続されたケルビン端子と、
前記第2制御電極に電気的に接続された第1アノードと、前記第3電極に電気的に接続された第1カソードと、を有し、ショットキーバリアダイオードである第1ダイオードと、
前記第1アノード及び前記第2制御電極に接続された第1端部と、第2端部と、を有し、セラミックコンデンサであるコンデンサと、
前記第2端部に電気的に接続された第2ゲートドライブ回路と、
前記第1制御電極及び前記第3制御電極に電気的に接続された第3ゲートドライブ回路と、
を備える半導体装置。 - 前記第1ノーマリーオフトランジスタのオン抵抗をRon1、前記第2ノーマリーオフトランジスタのオン抵抗をRon2、前記第1配線のインダクタンスをLs1、前記第2配線のインダクタンスをLs2としたときに、
(Ron2×Ls1)/(Ron1×Ls2)>2
である請求項1記載の半導体装置。 - Ron1<Ron2である請求項1又は請求項2記載の半導体装置。
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