JP4857814B2 - モータ駆動装置 - Google Patents
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- JP4857814B2 JP4857814B2 JP2006053046A JP2006053046A JP4857814B2 JP 4857814 B2 JP4857814 B2 JP 4857814B2 JP 2006053046 A JP2006053046 A JP 2006053046A JP 2006053046 A JP2006053046 A JP 2006053046A JP 4857814 B2 JP4857814 B2 JP 4857814B2
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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
- H02M7/538—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 push-pull configuration
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0828—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in composite switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—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
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/4901—Structure
- H01L2224/4903—Connectors having different sizes, e.g. different diameters
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- 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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1305—Bipolar Junction Transistor [BJT]
- H01L2924/13055—Insulated gate bipolar transistor [IGBT]
-
- 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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/1555—Conversion of dc power input into dc power output without intermediate conversion into ac 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 for the generation of a regulated current to a load whose impedance is substantially inductive
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—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
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power Conversion In General (AREA)
- Inverter Devices (AREA)
- Electronic Switches (AREA)
Description
d(n-)>√(2×ε0×εSi×V/(q×N(n-)))
を満たすことが望ましい。
Claims (12)
- 主端子間に直列接続された高圧側の第1の半導体スイッチング素子と低圧側の前記第2の半導体スイッチング素子と、を有するアームと、
前記第1の半導体スイッチング素子のゲート信号を、低圧側回路から高圧側回路に伝達するレベルシフト回路と、を備え、
前記レベルシフト回路は、
エミッタが前記第2の半導体スイッチング素子の接地側に接続され、コレクタが高圧側回路に接続され、論理回路からパルス状の前記第1の半導体スイッチング素子のオン信号が入力されるオン信号伝達用絶縁ゲートバイポーラトランジスタと、
エミッタが前記第2の半導体スイッチング素子の接地側に接続され、コレクタが高圧側回路に接続され、論理回路からパルス状の前記第1の半導体スイッチング素子のオフ信号が入力されるオフ信号伝達用絶縁ゲートバイポーラトランジスタと、を有し、
前記オン信号伝達用絶縁ゲートバイポーラトランジスタがオンとなることにより、前記第1の半導体スイッチング素子をオン状態とし、前記オフ信号伝達用絶縁ゲートバイポーラトランジスタがオフとなることにより、前記第1の半導体スイッチング素子をオフ状態とすることを特徴とするモータ駆動装置。 - 請求項1において、
前記モータ駆動装置の前記レベルシフト回路は、
前記論理回路から前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタに同時に信号が入力された場合に、信号を遮断するロジックフィルタを有することを特徴とするモータ駆動装置。 - 請求項1において、
前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタのエミッタ電極及びゲート電極と、前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタのコレクタ電極とが、互いに反対の半導体基板面に形成されていることを特徴とするモータ駆動装置。 - 請求項3において、
前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタのゲート幅が1μmから1000μmであることを特徴とするモータ駆動装置。 - 請求項3において、
前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタが、
p型の第1の半導体層と、
該p型の第1の半導体層の上に形成した第2の半導体層であるn-層と、
該第2の半導体層であるn-層内に形成されたp型の第3の半導体層と、
該第3の半導体層内に形成されたn型の第4の半導体層とを備え、
前記ゲート電極を、前記第2の半導体層と第3の半導体層と第4の半導体層の半導体基板表面の露出部の上に形成した酸化膜を介して配置し、
前記コレクタ電極を、前記第1の半導体層に接して配置し、
前記ソース電極を前記第3の半導体層と第4の半導体層とに接して配置し、
前記第2の半導体層であるn-層の厚さが、定格電圧を加えたときに広がる空乏層の厚さよりも厚いことを特徴とするモータ駆動装置。 - 請求項5において、
前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタの前記第2の半導体層であるn-層の厚さd(n-)が、
前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタの定格電圧をVとして、前記第2の半導体層であるn-層の不純物濃度をN(n-)、シリコンの比誘電率をεSi、真空の誘電率をε0、素電荷をqとしたときに、d(n-)は
d(n-)>√(2×ε0×εSi×V/(q×N(n-)))
を満たすことを特徴とするモータ駆動装置。 - 請求項5において、
前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタの前記コレクタ電極が接する前記第1の半導体層であるp+層のピーク濃度が1×1018/cm3 以下であることを特徴とするモータ駆動装置。 - 請求項5において、
前記第1の半導体スイッチング素子と、前記第2の半導体スイッチング素子と、前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタとが別々の半導体チップに形成されていることを特徴とするモータ駆動装置。 - 請求項8において、
前記第1の半導体スイッチング素子と、前記第2の半導体スイッチング素子と、前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタとが同一パッケージにモールドされていることを特徴とするモータ駆動装置。 - 請求項8において、
前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタの耐圧が1500V以上であることを特徴とするモータ駆動装置。 - 主端子間に直列に接続した高圧側の第1のIGBTと低圧側の第2のIGBTとを備えたアームを3つ備え、負荷の3相交流モータを駆動するモータ駆動装置において、
該モータ駆動装置が、前記アームの高圧側に接続した第1のIGBTのゲート信号を、低圧側回路から高圧側回路に伝達するレベルシフト回路を3つ備え、
前記レベルシフト回路は、
エミッタが前記第2のIGBTの接地側に接続され、コレクタが高圧側回路に接続され、論理回路からパルス状の前記第1の半導体スイッチング素子のオン信号が入力されるオン信号伝達用絶縁ゲートバイポーラトランジスタと、
エミッタが前記第2のIGBTの接地側に接続され、コレクタが高圧側回路に接続され、論理回路からパルス状の前記第1の半導体スイッチング素子のオフ信号が入力されるオフ信号伝達用絶縁ゲートバイポーラトランジスタと、を有し、
前記オン信号伝達用絶縁ゲートバイポーラトランジスタがオンとなることにより、前記第1の半導体スイッチング素子をオン状態とし、前記オフ信号伝達用絶縁ゲートバイポーラトランジスタがオフとなることにより、前記第1の半導体スイッチング素子をオフ状態とし、
前記オン信号伝達用及びオフ信号伝達用絶縁ゲートバイポーラトランジスタが、
p型の第1の半導体層と、
該p型の第1の半導体層の上に形成した第2の半導体層であるn-層と、
該第2の半導体層であるn-層内に形成されたp型の第3の半導体層と、
該第3の半導体層内に形成されたn型の第4の半導体層とを備え、
前記第2の半導体層と第3の半導体層と第4の半導体層の半導体基板表面の露出部の上に形成した酸化膜を介してゲート電極を配置し、
コレクタ電極を、前記第1の半導体層に接して配置し、
ソース電極を前記第3の半導体層と第4の半導体層とに接して配置し、
前記第2の半導体層であるn-層の厚さが、定格電圧を加えたときに広がる空乏層の厚さよりも厚いことを特徴とするモータ駆動装置。 - 主端子間に直列に接続した高圧側の第1のIGBTと低圧側の第2のIGBTとを備えたアームを3つ備え、負荷の3相交流モータを駆動するモータ駆動装置において、
該モータ駆動装置が、前記アームの高圧側に接続した第1のIGBTのゲート信号を、
低圧側回路から高圧側回路に伝達するレベルシフト回路を3つ備え、
前記レベルシフト回路は、
エミッタが前記第2のIGBTの接地側に接続され、コレクタが高圧側回路に接続され、論理回路からパルス状の前記第1の半導体スイッチング素子のオン信号が入力されるオン信号伝達用絶縁ゲートバイポーラトランジスタと、
エミッタが前記第2のIGBTの接地側に接続され、コレクタが高圧側回路に接続され、論理回路からパルス状の前記第1の半導体スイッチング素子のオフ信号が入力されるオフ信号伝達用絶縁ゲートバイポーラトランジスタと、を有し、
前記オン信号伝達用絶縁ゲートバイポーラトランジスタがオンとなることにより、前記第1の半導体スイッチング素子をオン状態とし、前記オフ信号伝達用絶縁ゲートバイポーラトランジスタがオフとなることにより、前記第1の半導体スイッチング素子をオフ状態し、
該信号伝達用高耐圧IGBTを形成した半導体チップと、
アーム駆動回路と論理回路とを形成した別の半導体チップとが、
1つのパッケージに樹脂モールドで実装された半導体装置であることを特徴とするモータ駆動装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006053046A JP4857814B2 (ja) | 2006-02-28 | 2006-02-28 | モータ駆動装置 |
DE102007002688A DE102007002688A1 (de) | 2006-02-28 | 2007-01-18 | Motorantrieb |
US11/655,207 US7679944B2 (en) | 2006-02-28 | 2007-01-19 | Motor drive |
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JP2006053046A JP4857814B2 (ja) | 2006-02-28 | 2006-02-28 | モータ駆動装置 |
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JP2007236077A JP2007236077A (ja) | 2007-09-13 |
JP4857814B2 true JP4857814B2 (ja) | 2012-01-18 |
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US (1) | US7679944B2 (ja) |
JP (1) | JP4857814B2 (ja) |
DE (1) | DE102007002688A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5304416B2 (ja) * | 2009-04-28 | 2013-10-02 | 富士電機株式会社 | 電力変換回路 |
JP5267402B2 (ja) * | 2009-09-29 | 2013-08-21 | 三菱電機株式会社 | 半導体回路 |
EP2309632B1 (en) * | 2009-10-12 | 2013-05-29 | STMicroelectronics Srl | Half bridge resonant DC-DC control device |
US8405422B2 (en) * | 2010-09-30 | 2013-03-26 | Fuji Electric Co., Ltd. | Level shift circuit |
ITMI20131283A1 (it) * | 2013-07-31 | 2015-02-01 | St Microelectronics Srl | Dispositivo elettronico di potenza con caratteristiche di efficienza e radiazione elettromagnetica migliorate. |
US10116301B2 (en) * | 2016-07-12 | 2018-10-30 | Infineon Technologies Americas Corp. | Cross-coupled, narrow pulse, high voltage level shifting circuit with voltage domain common mode rejection |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2896342B2 (ja) * | 1995-05-04 | 1999-05-31 | インターナショナル・レクチファイヤー・コーポレーション | 半波ブリッジ構成における複数のパワートランジスタを駆動し、かつ出力ノードの過度の負の振動を許容する方法及び回路、並びに上記回路を組み込む集積回路 |
US6040827A (en) * | 1996-07-11 | 2000-03-21 | Hitachi, Ltd. | Driver circuit, driver integrated circuit, and display device and electronic device using the driver circuit and driver integrated circuit |
JPH1026952A (ja) * | 1996-07-11 | 1998-01-27 | Hitachi Ltd | 容量性負荷の駆動回路及び表示装置 |
JP3929557B2 (ja) * | 1997-07-30 | 2007-06-13 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
JP3635975B2 (ja) * | 1999-03-02 | 2005-04-06 | 富士電機デバイステクノロジー株式会社 | レベルシフト回路 |
WO2002095914A2 (en) * | 2001-02-06 | 2002-11-28 | Harman International Industries, Inc. | Half-bridge gate driver circuit |
JP4088466B2 (ja) * | 2002-03-19 | 2008-05-21 | 三菱電機株式会社 | パワーデバイスの駆動回路 |
JP3831355B2 (ja) | 2003-03-31 | 2006-10-11 | 株式会社日立製作所 | ゲート駆動方法、ゲート駆動回路及びゲート駆動用パワーic |
JP4091038B2 (ja) * | 2003-11-19 | 2008-05-28 | 松下電器産業株式会社 | プラズマディスプレイのサステインドライバ、及びその制御回路 |
JP2005353985A (ja) * | 2004-06-14 | 2005-12-22 | Denso Corp | 半導体装置 |
US7531852B2 (en) * | 2004-06-14 | 2009-05-12 | Denso Corporation | Electronic unit with a substrate where an electronic circuit is fabricated |
GB2426130B (en) * | 2005-01-14 | 2008-03-12 | Mitsubishi Electric Corp | Inverter device |
-
2006
- 2006-02-28 JP JP2006053046A patent/JP4857814B2/ja not_active Expired - Fee Related
-
2007
- 2007-01-18 DE DE102007002688A patent/DE102007002688A1/de not_active Withdrawn
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US20070201254A1 (en) | 2007-08-30 |
DE102007002688A1 (de) | 2007-10-04 |
US7679944B2 (en) | 2010-03-16 |
JP2007236077A (ja) | 2007-09-13 |
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