WO2011032778A1 - Leistungshalbleitermodul und leistungshalbleiterschaltungsanordnung - Google Patents
Leistungshalbleitermodul und leistungshalbleiterschaltungsanordnung Download PDFInfo
- Publication number
- WO2011032778A1 WO2011032778A1 PCT/EP2010/061291 EP2010061291W WO2011032778A1 WO 2011032778 A1 WO2011032778 A1 WO 2011032778A1 EP 2010061291 W EP2010061291 W EP 2010061291W WO 2011032778 A1 WO2011032778 A1 WO 2011032778A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power semiconductor
- semiconductor module
- circuit
- supply voltage
- connections
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
- B60L3/0092—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption with use of redundant elements for safety purposes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/07—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00
- H01L25/072—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00 the devices being arranged next to each other
-
- 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
-
- 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
Definitions
- the invention relates to a power semiconductor module and a power semiconductor circuit arrangement.
- An inverter comprises at least one power semiconductor module with semiconductor components in the form of power semiconductor switches-in the following referred to as power switches-such as MOSFETs, IGBTs (Insulated Gate Bipolar Transistors) or MCTs (MOS Controlled Thyristor), for example. usually in combination with freewheeling diodes.
- power switches such as MOSFETs, IGBTs (Insulated Gate Bipolar Transistors) or MCTs (MOS Controlled Thyristor), for example.
- MOSFETs Insulated Gate Bipolar Transistors
- MCTs MOS Controlled Thyristor
- suitable module-internal interconnection different circuit variants, such as individual switches, half bridges, full bridges or even choppers can be realized.
- the individual circuit breakers are usually carried out in the form of semiconductor chips, which are arranged on a substrate, usually a DCB ceramic substrate.
- the diodes required for the respective circuit variant can be integrated in the circuit breaker chips or designed as separate diode chips.
- the parallel circuit can be realized within a power semiconductor module, so that a plurality of parallel-connected power switches are arranged on the substrate.
- a plurality of power semiconductor modules, each with a substrate with power switches arranged thereon, can be connected in parallel.
- a parallel connection of power semiconductor modules has the advantage that a plurality of decoupled Kommut ist iste be formed, resulting in a reduction of overvoltage spikes.
- a synchronous driving of parallel-connected power semiconductor modules is difficult, since the contact resistances of the control lines, in particular with increasing life, under different circumstances change, which leads to an increasing increase in the time difference during switching of the individual semiconductor chips.
- Inductances in the commutation circuit cause overvoltage spikes on the circuit breakers. Since the maximum blocking voltage of the individual circuit breakers is limited, excessively large overvoltages destroy the circuit breakers. In order to be able to optimally utilize the chip area of the power switches and possibly the separate diodes, the inductance in the commutation circuit must be kept as low as possible. The inductance is approximately proportional to the area which the respective commutation current must surround in the commutation circuit.
- An electrically unbalanced arrangement of the diodes can eventually cause the current to turn off immediately after the circuit breaker is turned off is not evenly distributed to the diodes, which can lead to overloading of individual diodes. In extreme cases, it may even happen that a single diode takes over the entire current of all circuit breakers connected in parallel, namely directly after the commutation process. This problem is exacerbated by the fact that power diodes below about 75 ° C have a negative temperature coefficient, which leads at low temperatures to an already more heavily loaded by the switching diode even in stationary operation compared to the other parallel connected diodes increased current leads. Finally, an electrically asymmetrical arrangement of the diodes can lead to a shortening of the service life of the power semiconductor module.
- FIG. 1 shows a simplified equivalent circuit diagram of a commutation circuit with the essential parasitic equivalent inductances. These are composed of inductors Lzk1 and Lzk2 in an intermediate circuit capacitor 1, the inductors Lverbl and Lverb2 of supply lines 2 between the intermediate circuit capacitor 1 and a power semiconductor module 3 and the inductors LmoduM and Lmodul2 within the power semiconductor module 3. The sum of all inductances is approximately proportional to the area defined by the commutation circuit.
- a power semiconductor circuit arrangement in which the positive and negative power connection is in each case reduced by a number of voltage peaks for the purpose of reducing voltage peaks caused by rapid switching operations.
- at least two sub-terminals is formed, which are provided adjacent to each other closely and parallel to each other.
- the present invention provides a power semiconductor module having a substrate, preferably a DCB ceramic substrate, and at least two power semiconductor switches arranged in parallel on the substrate.
- the power semiconductor switches are preferably designed as IGBT, MOSFET or MCT semiconductor chips.
- at least one intermediate circuit connection is provided for connecting the power semiconductor switches to a first supply voltage potential and at least two intermediate circuit connections for connecting the power semiconductor switches to a second supply voltage potential, one of the supply voltage potentials being negative and the other positive.
- the power semiconductor module can have any number of further circuit elements, in particular diodes, which can either be integrated in the circuit breaker chips or can also be embodied as separate semiconductor chips. A partial integration in the circuit breaker chips is possible.
- the power semiconductor module may comprise, for example, individual switches, half bridges, full bridges or even choppers.
- a conventional power semiconductor module with a plurality of circuit breakers connected in parallel each comprises an intermediate circuit connection with a first positive supply voltage potential of the intermediate circuit and with a second negative supply voltage connection of the intermediate circuit. Splitting at least one of these connections into at least two sub-connections results in at least two connection pairs. Since the current in each case flows over the path with the lowest inductance, this results in at least two decoupled commutation circuits, whereby the current is divided among the individual commutation circuits. When divided into N partial connections, there are accordingly N decoupled commutation circuits. This only flows over the individual inductances of each commutation circuit 1 / N times the original commutation current. Assuming equal commutation circuit inductances, the formula
- a DC link connection with a positive supply voltage potential and a DC link connection with a negative supply voltage potential are arranged directly adjacent to the substrate.
- the DC link connections are arranged as close as possible to each other in order to minimize in this way the inductance generated by the terminal pairs.
- the dielectric strength is the limiting factor, and this can be additionally increased by using an insulating film between the two terminals.
- the invention further provides a power semiconductor circuit arrangement in which the two-circuit connections of a power semiconductor module according to the invention are electrically connected via leads to at least one intermediate circuit capacitor. In this case, a separate supply line is provided for each of the two-circuit connections, which is led from the intermediate circuit capacitor to the power semiconductor module.
- a DC link connection with a positive potential and a DC link connection with a negative potential are arranged directly adjacent to the power semiconductor module and the supply lines connected thereto are routed as far as possible to the DC link capacitor. In this way, the inductance generated by the leads can be reduced.
- 3 is a simplified schematic representation of a first embodiment of a power semiconductor module according to the invention with two positive and negative supply voltage terminals
- 4 is a simplified schematic representation of a second embodiment of a power semiconductor module according to the invention having a positive and two negative supply voltage terminals
- FIG. 5 is a simplified schematic representation of a third embodiment of a power semiconductor module according to the invention, each with four positive and negative supply voltage terminals and
- FIG. 6 is a simplified schematic representation of a fourth embodiment of a power semiconductor module according to the invention with two positive and three negative supply voltage terminals,
- FIG. 2 shows a simplified equivalent circuit diagram of a power semiconductor module 20 according to the invention for use in an inverter.
- the power semiconductor module 20 comprises a parallel connection of N switching paths, each consisting of a series connection of a high-side circuit breaker 21 -1 to 21 -N and a low-side circuit breaker 22-1 to 22-N, wherein each power switch 21 and 22 each have a diode connected in parallel.
- the terminals of the high-side power switches 21 remote from the low-side switches 22 are connected to a positive supply voltage potential.
- two intermediate circuit connections T + a and T + b are provided, wherein one of the connections, in the illustrated example the connection T + b, is advantageously contacted in the region of a first external switching path, in the example of the left outer switching path. Whereas the second connection, in the illustrated example, the connection T + a, is advantageously contacted in the region of the outer switching path remote from the first switching path, in the example of the right outer switching path.
- the terminals of the low-side power switches 22 facing away from the high-side power switches 21 are connected to a negative supply voltage potential.
- connection Ta two intermediate circuit connections Ta and T-b are provided, wherein in turn one of the connections, in the example shown the connection Ta, is advantageously contacted in the region of the first external switching path, in the example of the leftmost switching path.
- connection Tb advantageously haft in the range of the remote from the first switching path outer switching path, in the example of the right outer switching path is contacted.
- connection 23 The connections between the high-side power switches 21 and the low-side power switches 22 and between the respective associated diodes are connected to one another and form a phase connection 23.
- FIGS. 3 to 6 show various embodiments of a power semiconductor module according to the invention.
- the invention will be described by way of example with reference to a half-bridge power semiconductor module. But the module-internal interconnection can also be chosen differently without influencing the invention, so that, for example, individual switch modules with or without a separate freewheeling diode, chopper modules or also full-bridge modules can be realized.
- FIG. 3 shows a simplified schematic illustration of a first embodiment of a power semiconductor module 30 according to the invention.
- Three potential surfaces T +, T- or phase are provided on a substrate 31, preferably a DCB ceramic substrate.
- parallel-connected power switch chips 32-1 1 to 32-M1 and M diode chips 33-1 1 to 33-M1 are provided in the area of the phase potential area M and in the area of the potential area T + with a positive supply voltage potential M parallel circuit breaker chips 32-12 to 32-M2 and M associated diode chips 33-12 to 33-N2.
- the collector sides of the power switch chips 32 are respectively on Phase potential surface or the potential surface T + soldered.
- the further connections between the individual chips and with the other potential surfaces are made via bonding wires, not shown.
- the presentation of control lines for the circuit breaker chips has been omitted for reasons of simplicity.
- the terminals of the power semiconductor module 30 are realized for example via stamped grid.
- a phase connection 34 is provided, which is electrically connected to the phase potential surface and can form, for example, the output of an inverter.
- the potential surfaces T- and T + are electrically connected to two DC-bus connections T-a and T-b or T + a and T + b, respectively, via which the power semiconductor module 30 can be connected to an intermediate circuit having at least one DC link capacitor.
- the intermediate circuit connections are designed in such a way that, on the one hand, they each lie in the region of the outer switching paths of the parallel-connected circuit breakers and, on the other hand, an intermediate circuit connection with a positive supply voltage potential and a DC link connection with a negative supply voltage potential are arranged directly adjacent to the substrate 31.
- the second embodiment of a power semiconductor module according to the invention shown in FIG. 4 differs from the embodiment illustrated in FIG. 3 only in that the two adjacent DC link connections T + a and T + b have been combined mechanically to form a common intermediate circuit connection T + ab.
- the mechanical combination of two adjacent DC link connections with negative voltage potential is possible. It is also conceivable to combine more than two adjacent DC link connections with the same voltage potential.
- FIG. 5 shows a further embodiment of a power semiconductor module according to the invention, wherein, in contrast to the embodiment shown in FIG. 3, not two, but four partial connections T + a to T + d and T-a to T-d per supply voltage potential are provided.
- This represents a further improvement in terms of overvoltage spikes, symmetrical switching of the power switches and homogeneous current transfer of the diodes when switching off the power switch.
- two potential surfaces T + and phase are also provided.
- the module-internal design is irrelevant to the applicability of the invention, so that the chosen design has essentially technical reasons.
- the embodiment shown in FIG. 6 differs from the embodiment according to FIG. 5 only in that the respectively adjacent DC link connections T + a and T + b go to a connection T + ab, Tb and Tc to a connection T-bc and T + c and T + d to a terminal T + cd have been mechanically combined, so that ultimately three DC link connections for connecting the circuit breaker with a negative supply voltage potential and two DC link connections for connecting the circuit breaker with a positive supply voltage potential arise.
- any other number of partial connections is also possible.
- the intermediate circuit connections were led out in each case on one side of the power semiconductor module.
- decisive influence on the circuit design will have the possibility of a connection with lowest possible inductance to the intermediate circuit capacitor (s).
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Inverter Devices (AREA)
- Power Conversion In General (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010800410824A CN102484432A (zh) | 2009-09-16 | 2010-08-03 | 功率半导体模块和功率半导体电路装置 |
JP2012529182A JP2013504999A (ja) | 2009-09-16 | 2010-08-03 | パワー半導体モジュール、および、パワー半導体回路装置 |
US13/395,313 US20120224402A1 (en) | 2009-09-16 | 2010-08-03 | Power semiconductor module and power semiconductor circuit configuration |
EP10737924A EP2478631A1 (de) | 2009-09-16 | 2010-08-03 | Leistungshalbleitermodul und leistungshalbleiterschaltungsanordnung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009029515.1 | 2009-09-16 | ||
DE102009029515A DE102009029515A1 (de) | 2009-09-16 | 2009-09-16 | Leistungshalbleitermodul und Leistungshalbleiterschaltungsanordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011032778A1 true WO2011032778A1 (de) | 2011-03-24 |
Family
ID=43296968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/061291 WO2011032778A1 (de) | 2009-09-16 | 2010-08-03 | Leistungshalbleitermodul und leistungshalbleiterschaltungsanordnung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20120224402A1 (de) |
EP (1) | EP2478631A1 (de) |
JP (1) | JP2013504999A (de) |
CN (1) | CN102484432A (de) |
DE (1) | DE102009029515A1 (de) |
WO (1) | WO2011032778A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8637964B2 (en) * | 2011-10-26 | 2014-01-28 | Infineon Technologies Ag | Low stray inductance power module |
CN107958905B (zh) * | 2017-12-11 | 2024-06-21 | 柳州臻驱电控科技有限公司 | 功率半导体模块衬底 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0427143A2 (de) * | 1989-11-07 | 1991-05-15 | IXYS Semiconductor GmbH | Leistungshalbleitermodul |
EP0443378A2 (de) * | 1990-02-20 | 1991-08-28 | R e h m Schweisstechnik GmbH u. Co. | Elektronischer Leistungsschalter |
US5170337A (en) * | 1992-01-29 | 1992-12-08 | General Electric Company | Low-inductance package for multiple paralleled devices operating at high frequency |
DE4240501A1 (de) | 1992-12-02 | 1994-06-09 | Export Contor Ausenhandelsgese | Leistungshalbleiter-Schaltungsanordnung |
WO2002069482A1 (de) * | 2001-02-28 | 2002-09-06 | Siemens Aktiengesellschaft | Schaltungsaufbau für eine schaltung zum schalten von strömen |
WO2007002589A2 (en) * | 2005-06-24 | 2007-01-04 | International Rectifier Corporation | Semiconductor half-bridge module with low inductance |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5731970A (en) * | 1989-12-22 | 1998-03-24 | Hitachi, Ltd. | Power conversion device and semiconductor module suitable for use in the device |
US5172310A (en) * | 1991-07-10 | 1992-12-15 | U.S. Windpower, Inc. | Low impedance bus for power electronics |
JP3277524B2 (ja) * | 1991-09-17 | 2002-04-22 | 株式会社日立製作所 | 半導体スイッチ回路及びインバータ装置 |
US5544038A (en) * | 1992-09-21 | 1996-08-06 | General Electric Company | Synchronous rectifier package for high-efficiency operation |
JP2001128467A (ja) * | 1999-10-27 | 2001-05-11 | Hitachi Ltd | 電力変換装置 |
DE10237561C1 (de) * | 2002-08-16 | 2003-10-16 | Semikron Elektronik Gmbh | Induktivitätsarme Schaltungsanordnung bzw. Schaltungsaufbau für Leistungshalbleitermodule |
JP4115882B2 (ja) * | 2003-05-14 | 2008-07-09 | 株式会社ルネサステクノロジ | 半導体装置 |
JP4565879B2 (ja) * | 2004-04-19 | 2010-10-20 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
DE102004059313B3 (de) * | 2004-12-09 | 2006-05-04 | Semikron Elektronik Gmbh & Co. Kg | Leistungshalbleitermodul mit verringerten parasitären Induktivitäten |
JP4875977B2 (ja) * | 2006-12-27 | 2012-02-15 | 日本インター株式会社 | パワーモジュール |
-
2009
- 2009-09-16 DE DE102009029515A patent/DE102009029515A1/de not_active Withdrawn
-
2010
- 2010-08-03 CN CN2010800410824A patent/CN102484432A/zh active Pending
- 2010-08-03 WO PCT/EP2010/061291 patent/WO2011032778A1/de active Application Filing
- 2010-08-03 EP EP10737924A patent/EP2478631A1/de not_active Withdrawn
- 2010-08-03 US US13/395,313 patent/US20120224402A1/en not_active Abandoned
- 2010-08-03 JP JP2012529182A patent/JP2013504999A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0427143A2 (de) * | 1989-11-07 | 1991-05-15 | IXYS Semiconductor GmbH | Leistungshalbleitermodul |
EP0443378A2 (de) * | 1990-02-20 | 1991-08-28 | R e h m Schweisstechnik GmbH u. Co. | Elektronischer Leistungsschalter |
US5170337A (en) * | 1992-01-29 | 1992-12-08 | General Electric Company | Low-inductance package for multiple paralleled devices operating at high frequency |
DE4240501A1 (de) | 1992-12-02 | 1994-06-09 | Export Contor Ausenhandelsgese | Leistungshalbleiter-Schaltungsanordnung |
WO2002069482A1 (de) * | 2001-02-28 | 2002-09-06 | Siemens Aktiengesellschaft | Schaltungsaufbau für eine schaltung zum schalten von strömen |
WO2007002589A2 (en) * | 2005-06-24 | 2007-01-04 | International Rectifier Corporation | Semiconductor half-bridge module with low inductance |
Also Published As
Publication number | Publication date |
---|---|
EP2478631A1 (de) | 2012-07-25 |
US20120224402A1 (en) | 2012-09-06 |
CN102484432A (zh) | 2012-05-30 |
DE102009029515A1 (de) | 2011-03-24 |
JP2013504999A (ja) | 2013-02-07 |
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