JP5362955B2 - 高速スイッチング絶縁ゲート型パワー半導体デバイス - Google Patents
高速スイッチング絶縁ゲート型パワー半導体デバイス Download PDFInfo
- Publication number
- JP5362955B2 JP5362955B2 JP2006501327A JP2006501327A JP5362955B2 JP 5362955 B2 JP5362955 B2 JP 5362955B2 JP 2006501327 A JP2006501327 A JP 2006501327A JP 2006501327 A JP2006501327 A JP 2006501327A JP 5362955 B2 JP5362955 B2 JP 5362955B2
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- JP
- Japan
- Prior art keywords
- gate
- mosfet
- fiss
- input capacitance
- iiss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 title description 5
- 239000003990 capacitor Substances 0.000 claims description 17
- 230000005669 field effect Effects 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 239000008186 active pharmaceutical agent Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 241000764238 Isis Species 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 101100283975 Bos taurus GSTM1 gene Proteins 0.000 description 1
- 101150068246 V-MOS gene Proteins 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/66—Vertical DMOS [VDMOS] FETs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/04—Modifications for accelerating switching
- H03K17/041—Modifications for accelerating switching without feedback from the output circuit to the control circuit
- H03K17/0412—Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the control circuit
- H03K17/04123—Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the control circuit in field-effect transistor switches
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/07—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group subclass H10D
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Semiconductor Integrated Circuits (AREA)
- Electronic Switches (AREA)
- Closed-Circuit Television Systems (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
このゲートはデバイスの第4の端子に直接接続され得る。
β≡A(1/Ciiss−1/Cfiss)=∝max
である。
d≧dmin≒β/[(QG(max)/QG(min))−1]
となり、式中、QG(max)は安全に動作するための定常状態の最大許容電荷であり、QG(min)はスイッチングを完了するために必要な最小電荷である。
ここで添付図面を参照して本発明を記載するが、これは単なる例示である。
CG=1/[1/Cg(d)+1/Cc(∝)]=A/(d+∝)
上式中、Aは有効面積であり、適当な規格化定数を含む。故に、∝は図2(a)に示したようにデバイスがオフにスイッチングされたときには最大(∝max)となり、図2(c)に示したようにデバイスがオンにスイッチングされたときには∝=0となる。
β≡A(1/Ciiss−1/Cfiss)=∝max
となる。
dins≧β/[QG(max)/QG(min)−1]
上式中、QG(min)はスイッチングを完了するのに必要な最小電荷であり、QG(max)は安全域を含んだデバイス上の最大許容ゲート電荷である。破壊はQ≧=QG(max)のときに起こる。
dins≧β/[(VGS(max)/VGS(min))−1]
である。
εs=Lsdi/dt+iRs
εs(max)≒LsIDS(max)/Ts+IDS(max)Rs
となる。
εs(max)≒7.4nH(40A/27ns)+4V=15V
VG(中間)≒VGS(max)−εs(max)=20V−15V=5V
表1の列ivのデバイスの場合:
εs(max)≒7.4nH(40A/2.5ns)+5V=123V
VG(中間)≒VGS(max)−εs(max)≒200V−123V=77V
Tdon≒(2/3)(LsCiiss)1/2
これは次のように表すことができる:
Ts∝1/dins 1/2
QG=VGSCiiss≧QG(min)
したがって、以下のソース−ゲート最小電圧が印加されなければならない。
VGS≧VGS(min)=QG(min)/Ciiss
また、
QG=VGSCfiss≦QG(max)
となり、
これに対応する電圧限界は
VGS≦VGS(max)=QG(max)/Cfiss
で表される。
Cfiss/Ciiss≦QG(max)/QG(min)
または
Cfiss/Ciiss≦VGS(max)/VGS(min)
(2π/3)2QG(min)Ls≦VESTS ≦(2π/3)2QG(max)Ls
(2π/3)2QG(min)Ls/Ts 2≦VGS ≦(2π/3)2QG(max)Ls/Ts 2
中間のソース抵抗Rsがこのような式に及ぼす影響は無視できるものであるので、わかり易いように省略している。
Claims (10)
- ソース端子に接続されたソースと、
ゲート端子に接続されたゲートと、
前記ゲート端子とソース端子との間の入力容量を提供する入力容量手段を含む絶縁型ゲートデバイスであって、
前記絶縁型ゲートデバイスがオフ状態とオン状態の間でスイッチングされると、前記デバイスがオン状態のときの前記入力容量の最終値(Cfiss)と前記デバイスがオフ状態のときの前記入力容量の初期値(Ciiss)との比(Cfiss/Ciiss)が1<Cfiss/Ciiss<2であるように、前記入力容量手段が前記ソース端子と前記ゲート端子との間に少なくとも1つの直列コンデンサを含み、前記ゲートと前記デバイスのチャネルとの間の絶縁層が十分な厚さを有するデバイス。 - 前記入力容量手段は、前記比(Cfiss/Ciiss)が1<Cfiss/Ciiss<1.5であるように、入力容量を提供する請求項1に記載のデバイス。
- 前記入力容量手段は、前記比(Cfiss/Ciiss)が1<Cfiss/Ciiss<1.2であるように、入力容量を提供する請求項1に記載のデバイス。
- パワーMOS電界効果トランジスタ(MOSFET)を含む請求項1ないし3のいずれか一項に記載のデバイス。
- 前記MOSFETは、前記ゲートおよび前記デバイスのソースが前記デバイスのチップ本体の一方の面上に設けられ、前記MOSFETのドレインが前記チップ本体の反対面に設けられた垂直構造を有し、
前記入力容量手段が、前記ゲート端子と前記デバイスのゲートとの間に直列コンデンサを含む請求項4に記載のデバイス。 - 前記直列コンデンサは前記チップ本体上に組み込まれている請求項5に記載のデバイス。
- 前記直列コンデンサは、前記MOSFETのゲート上に重ね合わせられている請求項5または6に記載のデバイス。
- 前記直列コンデンサは、同じパッケージ内にパッケージングされた別個の部品である請求項1ないし7のいずれか一項に記載のデバイス。
- 浮遊ゲート(95)が前記ゲート(92)から分離して備えられ、
前記浮遊ゲートは、前記デバイスのユーザが使用できる端子(97)に直接接続されている請求項1ないし8のいずれか一項に記載のデバイス。 - 前記ゲートに接続されたバイアス抵抗器が同じパッケージング内に含まれている請求項8に記載のデバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA200300552 | 2003-01-21 | ||
ZA2003/0552 | 2003-01-21 | ||
PCT/ZA2004/000005 WO2004066395A2 (en) | 2003-01-21 | 2004-01-21 | Fast switching power insulated gate semiconductor device |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013106189A Division JP2013179344A (ja) | 2003-01-21 | 2013-05-20 | 高速スイッチング絶縁ゲート型パワー半導体デバイス |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006516365A JP2006516365A (ja) | 2006-06-29 |
JP2006516365A5 JP2006516365A5 (ja) | 2011-01-27 |
JP5362955B2 true JP5362955B2 (ja) | 2013-12-11 |
Family
ID=32772476
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006501327A Expired - Fee Related JP5362955B2 (ja) | 2003-01-21 | 2004-01-21 | 高速スイッチング絶縁ゲート型パワー半導体デバイス |
JP2013106189A Pending JP2013179344A (ja) | 2003-01-21 | 2013-05-20 | 高速スイッチング絶縁ゲート型パワー半導体デバイス |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013106189A Pending JP2013179344A (ja) | 2003-01-21 | 2013-05-20 | 高速スイッチング絶縁ゲート型パワー半導体デバイス |
Country Status (8)
Country | Link |
---|---|
US (2) | US20060118832A1 (ja) |
EP (1) | EP1586120B1 (ja) |
JP (2) | JP5362955B2 (ja) |
CN (1) | CN100508211C (ja) |
ES (1) | ES2578678T3 (ja) |
HK (1) | HK1091321A1 (ja) |
WO (1) | WO2004066395A2 (ja) |
ZA (1) | ZA200505759B (ja) |
Families Citing this family (4)
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---|---|---|---|---|
US8039897B2 (en) * | 2008-12-19 | 2011-10-18 | Fairchild Semiconductor Corporation | Lateral MOSFET with substrate drain connection |
US20120019284A1 (en) * | 2010-07-26 | 2012-01-26 | Infineon Technologies Austria Ag | Normally-Off Field Effect Transistor, a Manufacturing Method Therefor and a Method for Programming a Power Field Effect Transistor |
JPWO2014034346A1 (ja) * | 2012-08-28 | 2016-08-08 | シャープ株式会社 | 複合型半導体装置 |
US10957791B2 (en) * | 2019-03-08 | 2021-03-23 | Infineon Technologies Americas Corp. | Power device with low gate charge and low figure of merit |
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-
2004
- 2004-01-21 JP JP2006501327A patent/JP5362955B2/ja not_active Expired - Fee Related
- 2004-01-21 EP EP04737345.1A patent/EP1586120B1/en not_active Expired - Lifetime
- 2004-01-21 CN CNB2004800069694A patent/CN100508211C/zh not_active Expired - Fee Related
- 2004-01-21 WO PCT/ZA2004/000005 patent/WO2004066395A2/en active Search and Examination
- 2004-01-21 ES ES04737345.1T patent/ES2578678T3/es not_active Expired - Lifetime
- 2004-01-21 US US10/542,720 patent/US20060118832A1/en not_active Abandoned
-
2005
- 2005-07-19 ZA ZA200505759A patent/ZA200505759B/xx unknown
-
2006
- 2006-10-27 HK HK06111869.9A patent/HK1091321A1/xx not_active IP Right Cessation
-
2008
- 2008-01-28 US US12/021,037 patent/US8063426B2/en not_active Expired - Fee Related
-
2013
- 2013-05-20 JP JP2013106189A patent/JP2013179344A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP1586120A2 (en) | 2005-10-19 |
CN1836337A (zh) | 2006-09-20 |
JP2013179344A (ja) | 2013-09-09 |
US8063426B2 (en) | 2011-11-22 |
ZA200505759B (en) | 2007-02-28 |
US20080203457A1 (en) | 2008-08-28 |
CN100508211C (zh) | 2009-07-01 |
HK1091321A1 (en) | 2007-01-12 |
US20060118832A1 (en) | 2006-06-08 |
EP1586120B1 (en) | 2016-04-27 |
WO2004066395A3 (en) | 2004-09-02 |
WO2004066395A2 (en) | 2004-08-05 |
ES2578678T3 (es) | 2016-07-29 |
JP2006516365A (ja) | 2006-06-29 |
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