JPWO2014046061A1 - 半導体装置およびそれを用いた電力変換装置 - Google Patents
半導体装置およびそれを用いた電力変換装置 Download PDFInfo
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- 230000015556 catabolic process Effects 0.000 claims description 14
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- 238000010586 diagram Methods 0.000 description 13
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/017509—Interface arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/0814—Diodes only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/8615—Hi-lo semiconductor devices, e.g. memory devices
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- H—ELECTRICITY
- 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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
-
- H—ELECTRICITY
- 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
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- 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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
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Abstract
Description
図1および図2は、この発明の実施例1にかかる半導体装置100の構成図であり、図1(a)は要部平面図、図1(b)は図1(a)のドレイン近傍の詳細平面図、図2(a)は、図1(a)のA−A’線(点線)で切断した要部断面図、図2(b)は、図1(a)のB−B’線(実線)で切断した要部断面図、図2(c)は図1(a)のC−C’線(一点鎖線)で切断した要部断面図である。尚、図1ではU相がV相の左側に描かれているが、図2ではU相がV相の右側に描かれている。
図6は、この発明の実施例2にかかる半導体装置の要部平面図である。第2実施例において、第1実施例(図1)との違いは、セット用レベルシフト回路6およびリセット用レベルシフト回路7のnドレイン領域26から対向面10までの距離Kがそれぞれ異なっている点である。第2実施例においても、セット用レベルシフト回路6とリセット用レベルシフト回路7が対向面9から離れているのでそれぞれのnドレイン領域26に流入する電子の流量は対向面9に形成されている場合に比べると小さくなる。
図7は、この発明の実施例3にかかる電力変換装置300の要部回路図である。ここでは3相インバータを例に挙げた。この3相インバータに搭載される半導体装置100,200は図1および図5に示した3相ワンチップゲートドライバICである。電力変換装置300と従来の電力変換装置700との違いは、図8に示した電力変換装置700に搭載する半導体装置500,600を半導体装置100,200に入れ替えた点である。
2 制御回路
3 U相のハイサイド駆動回路
4 V相のハイサイド駆動回路
5 W相のハイサイド駆動回路
6 セット用レベルシフト回路
7 リセット用レベルシフト回路
8,29 nウェル領域
9 U相の対向面
10 V相の対向面
11 U相の非対向面
12 V相の非対向面
21 p半導体基板
22,22a,29 nウェル領域
23,36,36a,37 pベース領域
24 nソース領域
25 pコンタクト領域
26 nドレイン領域
27,35,35a ゲート電極
28 HVNMOS
30,60 pウェル領域
31,31a,32,32a,34,34a n領域
33,33a,38,39,39a p領域
40,40a VS端子
41,41a VB端子
42 COM端子
43 ゲート端子
44 ドレイン端子
45 レベルシフト抵抗
46,46a 高耐圧接合終端領域
50 電子
70 相間領域
100,200 半導体装置
300 電力変換装置
Claims (8)
- 第1導電型領域で囲まれ半導体基板の表面層に互いに離して設けられる複数の第2導電型の第1ウェル領域と、複数の前記第1ウェル領域全てに接して設けられ前記第1導電型領域を構成する低電位が印加される第1導電型の第2ウェル領域と、を備え、
複数の前記第1ウェル領域は、前記第1ウェル領域の表面層に設けられた、低電位側の電位が前記低電位より高いハイサイド駆動回路と、前記ハイサイド駆動回路の電源の高電位側が接続され前記第1ウェル領域の前記表面層に設けられる第2導電型のピックアップ領域と、前記第2ウェル領域と前記ピックアップ領域との間の前記第1ウェル領域に設けられる高耐圧接合終端構造と、前記高耐圧接合終端構造および前記第2ウェル領域の一部に設けられ前記ハイサイド駆動回路の駆動用の信号を送る2つのレベルシフト素子と、を有する半導体装置において、
前記2つのレベルシフト素子は、隣接する前記第1ウェル領域に互いに対向しない非対向面に配置され、前記第1ウェル領域と前記第2ウェル領域とのpn接合面のうち、隣接する前記第1ウェル領域に対向するpn接合面から前記2つのレベルシフト素子の高電位領域までの距離がそれぞれ150μm以上であることを特徴とする半導体装置。 - 第1導電型領域で囲まれ半導体基板の表面層に互いに離して設けられる複数の第2導電型の第1ウェル領域と、複数の前記第1ウェル領域全てに接して設けられ前記第1導電型領域を構成する低電位が印加される第1導電型の第2ウェル領域と、を備え、
複数の前記第1ウェル領域は、前記第1ウェル領域の表面層に設けられた、低電位側の電位が前記低電位より高いハイサイド駆動回路と、前記ハイサイド駆動回路の電源の高電位側が接続され前記第1ウェル領域の前記表面層に設けられる第2導電型のピックアップ領域と、前記第2ウェル領域と前記ピックアップ領域との間の前記第1ウェル領域に設けられる高耐圧接合終端構造と、前記高耐圧接合終端構造および前記第2ウェル領域の一部に設けられ前記ハイサイド駆動回路の駆動用の信号を送る2つのレベルシフト素子と、を有する半導体装置において、
前記2つのレベルシフト素子は、隣接する前記第1ウェル領域に互いに対向しない非対向面に配置され、隣接する前記第1ウェル領域から前記2つのレベルシフト素子の高電位領域までの距離の差が10μm以下であることを特徴とする半導体装置。 - 前記第1ウェル領域と前記第2ウェル領域とのpn接合面のうち、隣接する前記第1ウェル領域に対向するpn接合面からの距離が前記2つのレベルシフト素子の高電位領域より前記ピックアップ領域の方が近いことを特徴とする請求項1または2記載の半導体装置。
- 隣接する前記第1ウェル領域から前記2つのレベルシフト素子の高電位領域までの距離がほぼ等しいことを特徴とする請求項2に記載の半導体装置。
- 前記第1ウェル領域と前記第2ウェル領域とのpn接合面のうち、隣接する前記第1ウェル領域に対向するpn接合面から前記2つのレベルシフト素子の高電位領域までの距離がそれぞれ150μm以上であることを特徴とする請求項2または4に記載の半導体装置。
- 前記第1ウェル領域と前記第2ウェル領域とのpn接合面のうち、隣接する前記第1ウェル領域に対向するpn接合面から前記2つのレベルシフト素子の高電位領域までの距離が500μm以下であることを特徴とする請求項1に記載の半導体装置。
- 前記第1ウェル領域と前記第2ウェル領域とのpn接合面のうち、隣接する前記第1ウェル領域に対向するpn接合面から前記2つのレベルシフト素子の高電位領域までの距離が500μm以下であることを特徴とする請求項5に記載の半導体装置。
- 前記請求項1または2に記載の半導体装置が搭載されていることを特徴とする電力変換装置。
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