JP6822907B2 - 半導体装置、電力変換装置、駆動装置、車両、及び、昇降機 - Google Patents
半導体装置、電力変換装置、駆動装置、車両、及び、昇降機 Download PDFInfo
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- JP6822907B2 JP6822907B2 JP2017124199A JP2017124199A JP6822907B2 JP 6822907 B2 JP6822907 B2 JP 6822907B2 JP 2017124199 A JP2017124199 A JP 2017124199A JP 2017124199 A JP2017124199 A JP 2017124199A JP 6822907 B2 JP6822907 B2 JP 6822907B2
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- 239000004065 semiconductor Substances 0.000 title claims description 50
- 239000003990 capacitor Substances 0.000 claims description 127
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 238000001514 detection method Methods 0.000 description 65
- 238000010586 diagram Methods 0.000 description 26
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
- H02H7/1225—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters responsive to internal faults, e.g. shoot-through
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
- G01R19/16523—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using diodes, e.g. Zener diodes
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- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0288—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using passive elements as protective elements, e.g. resistors, capacitors, inductors, spark-gaps
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- H01L27/0611—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 a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region
- H01L27/0617—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 a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type
- H01L27/0629—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 a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type in combination with diodes, or resistors, or capacitors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
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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
- 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
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/527—Voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
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- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
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- H01L28/60—Electrodes
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- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
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- H01L29/78—Field effect transistors with field effect produced by an insulated gate
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- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0029—Circuits or arrangements for limiting the slope of switching signals, e.g. slew rate
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- 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
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- 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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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Description
本実施形態の半導体装置は、第1のアノードと第1のカソードを有し、第1のアノードが第1の電極、第2の電極、及び、第1のゲート電極を有する第1のトランジスタの第1の電極及び第2の電極のいずれか一方に電気的に接続される第1のダイオードと、第1の一端と第1の他端を有し、第1の一端が第1のカソードに電気的に接続され、第1の他端が正極と負極を有する直流電源の正極に電気的に接続される第1の電気抵抗又は第1のスイッチング素子と、第2の一端と第2の他端を有し、第2の他端が第1のカソードに電気的に接続される第1のキャパシタと、第3の一端と第3の他端を有し、第3の一端が負極に電気的に接続され、第3の他端が第1のキャパシタの第2の一端に電気的に接続される第2のキャパシタと、第2のキャパシタの第3の一端と第3の他端との間に、第2のキャパシタに電気的に並列に接続される第2のスイッチング素子と、を備える。
図5は、本実施形態の変形例の半導体装置の回路図である。変形例の半導体装置は、サージ電圧検出回路190である。電気抵抗112に代えて、MOSFET(Metal Oxide Semiconductor Field Effect Transistor)118を備える点で、図1の実施形態の半導体装置と異なっている。MOSFET118は、第1のスイッチング素子の一例である。
本実施形態の電力変換装置は、第1のトランジスタの第1のゲート電極に電気的に接続される可変抵抗と、第1のキャパシタの第2の一端の電圧値に基づき可変抵抗の抵抗値を制御する制御部を、更に備える点で、第1の実施形態の電源駆動回路と異なっている。以下、第1の実施形態と重複する内容については記述を省略する。
本実施形態の半導体装置は、第2のスイッチング素子が、第3の電極、第4の電極、及び、第2のゲート電極を有する第2のトランジスタであり、第3の電極が負極に電気的に接続され、第4の電極が第2のキャパシタの第3の他端に電気的に接続される点で第1の実施形態と異なる。また、第4の一端と第4の他端を有し、第4の一端が第3の電極に電気的に接続され、第4の他端が第2のゲート電極に電気的に接続される第3のキャパシタと、第5の一端と第5の他端を有し、第5の一端が第3のキャパシタの第4の一端に電気的に接続され、第5の他端が第3のキャパシタの第4の他端に電気的に接続される第2の電気抵抗と、第6の一端と第6の他端を有し、第6の一端が第2の電気抵抗の第5の他端に電気的に接続され、第6の他端が第1のアノードに電気的に接続される第3の電気抵抗と、を更に備える点で第1の実施形態と異なる。以下、第1の実施形態と重複する内容については、記述を省略する。
本実施形態の半導体装置は、第1のアノードと第3の電気抵抗との間に電気的に接続される第5のキャパシタを、更に備える点で第3の実施形態と異なる。以下、第3の実施形態と重複する内容については、記述を省略する。
本実施形態の半導体装置は、第2のアノードと第2のカソードを有し、第2のアノードが第3のキャパシタの第4の他端に電気的に接続され、第2のカソードが第1のアノードに電気的に接続され、第3の電気抵抗及び第5のキャパシタと電気的に並列に設けられた第2のダイオードを、更に備える点で第4の実施形態と異なる。以下、第4の実施形態と重複する内容については、記述を省略する。
本実施形態の駆動装置は、第1の実施形態の電力変換装置を備える駆動装置である。
本実施形態の車両は、第1の実施形態の電力変換装置を備える車両である。
本実施形態の車両は、第1の実施形態の電力変換装置を備える車両である。
本実施形態の昇降機は、第1の実施形態の電力変換装置を備える昇降機である。
10a エミッタ電極(第1の電極)
10b コレクタ電極(第2の電極)
10c ゲート電極(第1のゲート電極)
20 ハイサイドトランジスタ
30 直流電源
30a 正極
30b 負極
60 可変抵抗
110 サージ電圧検出回路(半導体装置)
111 ダイオード(第1のダイオード)
111a アノード(第1のアノード)
111b カソード(第1のカソード)
112 電気抵抗(第1の電気抵抗)
112a 端部(第1の一端)
112b 端部(第1の他端)
113 キャパシタ(第1のキャパシタ)
113a 端部(第2の一端)
113b 端部(第2の他端)
114 キャパシタ(第2のキャパシタ)
114a 端部(第3の一端)
114b 端部(第3の他端)
115 スイッチング素子(第2のスイッチング素子、第2のトランジスタ)
115a ソース電極(第3の電極)
115b ドレイン電極(第4の電極)
115c ゲート電極(第2のゲート電極)
116 サンプルホールド回路
118 MOSFET(第1のスイッチング素子)
118a ソース電極(第1の一端)
118b ドレイン電極(第1の他端)
118c ゲート電極
120 サージ電圧検出回路(半導体装置)
122 マイクロコンピュータ(制御部)
130 サージ電圧検出回路(半導体装置)
131 キャパシタ(第3のキャパシタ)
131a 端部(第4の一端)
131b 端部(第4の他端)
132 電気抵抗(第2の電気抵抗)
132a 端部(第5の一端)
132b 端部(第5の他端)
133 電気抵抗(第3の電気抵抗)
133a 端部(第6の一端)
133b 端部(第6の他端)
140 サージ電圧検出回路(半導体装置)
141 キャパシタ(第5のキャパシタ)
150 サージ電圧検出回路(半導体装置)
151 ダイオード(第2のダイオード)
151a アノード(第2のアノード)
151b カソード(第2のカソード)
190 サージ電圧検出回路(半導体装置)
210 インバータ回路(電力変換装置)
220 インバータ回路(電力変換装置)
1000 駆動装置
1100 車両
1200 車両
1300 昇降機
Claims (20)
- 第1のアノードと第1のカソードを有する第1のダイオードと、
第1の一端と第1の他端を有し、前記第1の一端が前記第1のカソードに電気的に接続され、前記第1の他端が正極と負極を有する直流電源の前記正極に電気的に接続される第1の電気抵抗又は第1のスイッチング素子と、
第2の一端と第2の他端を有し、前記第2の他端が前記第1のカソードに電気的に接続される第1のキャパシタと、
第3の一端と第3の他端を有し、前記第3の一端が前記負極に電気的に接続され、前記第3の他端が前記第1のキャパシタの前記第2の一端に電気的に接続される第2のキャパシタと、
を備える半導体装置。 - 前記第1のキャパシタの前記第2の一端に電気的に接続されるサンプルホールド回路を、
更に備える請求項1記載の半導体装置。 - 前記第2のキャパシタの容量は前記第1のキャパシタの容量よりも大きい請求項1又は請求項2記載の半導体装置。
- 前記第2のキャパシタの容量は前記第1のキャパシタの容量の10倍以上である請求項1ないし請求項3いずれか一項記載の半導体装置。
- 前記第2のキャパシタの前記第3の一端と前記第3の他端との間に、前記第2のキャパシタに電気的に並列に接続される第2のスイッチング素子を、
更に備える請求項1ないし請求項4いずれか一項記載の半導体装置。 - 前記第2のスイッチング素子は、第3の電極、第4の電極、及び、第2のゲート電極を有する第2のトランジスタであり、前記第3の電極が前記負極に電気的に接続され、前記第4の電極が前記第2のキャパシタの前記第3の他端に電気的に接続される請求項5記載の半導体装置。
- 第4の一端と第4の他端を有し、前記第4の一端が前記第3の電極に電気的に接続され、前記第4の他端が前記第2のゲート電極に電気的に接続される第3のキャパシタと、
第5の一端と第5の他端を有し、前記第5の一端が前記第3のキャパシタの前記第4の一端に電気的に接続され、前記第5の他端が前記第3のキャパシタの前記第4の他端に電気的に接続される第2の電気抵抗と、
第6の一端と第6の他端を有し、前記第6の一端が前記第2の電気抵抗の前記第5の他端に電気的に接続され、前記第6の他端が前記第1のアノードに電気的に接続される第3の電気抵抗と、
を更に備える請求項6記載の半導体装置。 - 一端が前記第1のアノードと電気的に接続され、他端が前記第3の電気抵抗の前記第6の他端と電気的に接続される第5のキャパシタを、更に備える請求項7記載の半導体装置。
- 第2のアノードと第2のカソードを有し、前記第2のアノードが前記第3のキャパシタの前記第4の他端に電気的に接続され、前記第2のカソードが前記第1のアノードに電気的に接続され、前記第3の電気抵抗及び前記第5のキャパシタと電気的に並列に設けられた第2のダイオードを、更に備える請求項8記載の半導体装置。
- 第1の電極、第2の電極、及び、第1のゲート電極を有する第1のトランジスタと、
第1のアノードと第1のカソードを有し、前記第1のアノードが前記第1の電極及び前記第2の電極のいずれか一方に電気的に接続される第1のダイオードと、
第1の一端と第1の他端を有し、前記第1の一端が前記第1のカソードに電気的に接続され、前記第1の他端が正極と負極を有する直流電源の前記正極に電気的に接続される第1の電気抵抗又は第1のスイッチング素子と、
第2の一端と第2の他端を有し、前記第2の他端が前記第1のカソードに電気的に接続される第1のキャパシタと、
第3の一端と第3の他端を有し、前記第3の一端が前記負極に電気的に接続され、前記第3の他端が前記第1のキャパシタの前記第2の一端に電気的に接続される第2のキャパシタと、
を備える電力変換装置。 - 前記第1のトランジスタの前記第1のゲート電極に電気的に接続される可変抵抗と、
前記第1のキャパシタの前記第2の一端の電圧値に基づき前記可変抵抗の抵抗値を制御する制御部を、更に備える請求項10記載の電力変換装置。 - 前記第1のキャパシタの前記第2の一端に電気的に接続されるサンプルホールド回路を、
更に備え、
前記制御部は、前記サンプルホールド回路から出力される電圧値に基づき前記可変抵抗の抵抗値を制御する請求項11記載の電力変換装置。 - 前記第2のキャパシタの容量は前記第1のキャパシタの容量よりも大きい請求項10ないし請求項12いずれか一項記載の電力変換装置。
- 前記第2のキャパシタの容量は前記第1のキャパシタの容量の10倍以上である請求項10ないし請求項13いずれか一項記載の電力変換装置。
- 前記第2のキャパシタの前記第3の一端と前記第3の他端との間に、前記第2のキャパシタに電気的に並列に接続される第2のスイッチング素子を、
更に備える請求項10ないし請求項14いずれか一項記載の電力変換装置。 - 請求項10ないし請求項15いずれか一項記載の電力変換装置を備える駆動装置。
- 請求項10ないし請求項15いずれか一項記載の電力変換装置を備える車両。
- 請求項10ないし請求項15いずれか一項記載の電力変換装置を備える昇降機。
- 第1のアノードと第1のカソードを有する第1のダイオードと、
第1の一端と第1の他端を有し、前記第1の一端が前記第1のカソードに電気的に接続され、前記第1の他端が正極と負極を有する直流電源の前記正極に電気的に接続されるための他端である第1の電気抵抗又は第1のスイッチング素子と、
第2の一端と第2の他端を有し、前記第2の他端が前記第1のカソードに電気的に接続される第1のキャパシタと、
第3の一端と第3の他端を有し、前記第3の一端が前記負極に電気的に接続されるための一端であり、前記第3の他端が前記第1のキャパシタの前記第2の一端に電気的に接続される第2のキャパシタと、
を備える半導体装置。 - 第1の電極、第2の電極、及び、第1のゲート電極を有する第1のトランジスタと、
第1のアノードと第1のカソードを有し、前記第1のアノードが前記第1の電極及び前記第2の電極のいずれか一方に電気的に接続される第1のダイオードと、
第1の一端と第1の他端を有し、前記第1の一端が前記第1のカソードに電気的に接続され、前記第1の他端が正極と負極を有する直流電源の前記正極に電気的に接続されるための他端である第1の電気抵抗又は第1のスイッチング素子と、
第2の一端と第2の他端を有し、前記第2の他端が前記第1のカソードに電気的に接続される第1のキャパシタと、
第3の一端と第3の他端を有し、前記第3の一端が前記負極に電気的に接続されるための一端であり、前記第3の他端が前記第1のキャパシタの前記第2の一端に電気的に接続される第2のキャパシタと、
を備える電力変換装置。
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