WO1998053546A1 - Convertisseur de puissance mettant en application un composant a semi-conducteur de porte mos - Google Patents
Convertisseur de puissance mettant en application un composant a semi-conducteur de porte mos Download PDFInfo
- Publication number
- WO1998053546A1 WO1998053546A1 PCT/JP1998/002267 JP9802267W WO9853546A1 WO 1998053546 A1 WO1998053546 A1 WO 1998053546A1 JP 9802267 W JP9802267 W JP 9802267W WO 9853546 A1 WO9853546 A1 WO 9853546A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- type semiconductor
- mos
- current
- gate
- Prior art date
Links
Classifications
-
- 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
- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
- H03K17/0812—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
- H03K17/08128—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit in composite switches
-
- 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
-
- 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
- H01L2224/491—Disposition
- H01L2224/4911—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain
- H01L2224/49111—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain the connectors connecting two common bonding areas, e.g. Litz or braid wires
-
- 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
- H01L2224/491—Disposition
- H01L2224/4911—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain
- H01L2224/49113—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain the connectors connecting different bonding areas on the semiconductor or solid-state body to a common bonding area outside the body, e.g. converging wires
-
- 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]
Definitions
- the present invention relates to a power conversion using a MOS gate type semiconductor element such as an IGBT (Insulated Gate Bipolar Transistor) or an IEGT (Injection Enhanced Gate Transistor), especially a power element using a large voltage and current.
- a MOS gate type semiconductor element such as an IGBT (Insulated Gate Bipolar Transistor) or an IEGT (Injection Enhanced Gate Transistor), especially a power element using a large voltage and current.
- MOS gate-type semiconductor devices represented by IGBTs are increasingly used at higher voltages, and recently, 1.7 kV and 2.5 kV, high-voltage IGBTs have been commercialized. Have been. Furthermore, new devices with a high withstand voltage, such as an IGB T with a withstand voltage of 3.3 kV and an IEGT with a withstand pressure of 4.5 kV, have been developed.
- a series circuit consisting of a power supply 2 for supplying an on gate voltage Eon (usually +15 V) and an on switch 4 is connected between the gate and emitter terminals of IEGT1.
- the IEGT 1 is configured such that the switch 4 is closed and the ON gate voltage E on is applied to the gate and the emitter of the IEGT 1 via the gate resistor 6. Turns on and current flows. Conversely, to cut off the current, switch 5 is closed, and gate voltage E off for off is applied between the gate and emitter of IEGT 1 via gate resistor 6 to achieve IEGT. 1 turns off and current is cut off.
- IEGT 1 and the emitter terminal E are connected by a collector wiring 7a consisting of four conductors (four in the figure), and an emitter consisting of a plurality of conductors (four in the figure). Connected by the data wiring 7 b
- FIG. 3 shows the waveforms of the voltage and current applied to IEGT 1 when the current is cut off by the gate circuit of FIG. 1 using the wiring structure shown in FIG.
- the voltage V applied to IEGT 1 rises sharply as the current i decreases, and ultimately there is a possibility that IEGT 1 may be destroyed.
- the applied dv / dt tends to increase as the cutoff current increases, further destructing the element. There is a problem that there is a risk.
- the gate capacitance of the device tends to increase. Therefore, the variation of the turn-off delay time between the chips of the multi-chip type device becomes large, and as a result, the current balance between the chips at the time of the turn-off becomes poor. It has become to.
- An object of the present invention is to provide a power converter that can cut off such a large current.
- the present invention relates to a MOS gate type semiconductor element portion, an ON voltage supply portion for supplying an ON voltage between gate-emitter terminals of the MOS gate type semiconductor device portion, and the MOS gate. And an off-voltage supply unit for supplying an off-voltage between the gate-emitter terminals of the semiconductor device unit.
- the semiconductor device is characterized by including an inductance element connected to an emitter terminal of the MOS gate type semiconductor element portion.
- the object of the present invention is also achieved by the following system. That is, a plurality of MOS gate-type semiconductor elements, an on-voltage supply unit that supplies an on-voltage to a gate-emitter terminal of each of the plurality of MOS gate-type semiconductor elements, and the plurality of MOS gate-type semiconductor elements. Off-voltage supply unit that supplies an off-voltage between the gate and emitter terminals of each type semiconductor device.
- a plurality of MOS gate-type semiconductor elements an on-voltage supply unit that supplies an on-voltage to a gate-emitter terminal of each of the plurality of MOS gate-type semiconductor elements, and the plurality of MOS gate-type semiconductor elements.
- Off-voltage supply unit that supplies an off-voltage between the gate and emitter terminals of each type semiconductor device.
- a plurality of inductors connected to respective emitter terminals of the plurality of MOS gate type semiconductor elements
- a gate control means connected to the gate terminal of each of the plurality of MOS semiconductor devices and applying a different gate voltage to each element.
- an inductance element is inserted into an emitter element of the element, and a gate emitter element is removed from a position force including the inductance element.
- the voltage generated in this inductance due to the cut-off current at the time of turn-off is used to mitigate the gate voltage, and the dV / dt applied to the element is relaxed.
- the balance of the turn-off current between the chips of the multi-chip element can be improved.
- Figure 1 is a circuit diagram of a conventional device.
- Figure 2 shows the wiring diagram of a conventional device.
- Figure 3 shows the voltage and current waveforms of the conventional device.
- FIG. 4 is a circuit diagram of the device according to the first embodiment of the present invention.
- FIG. 5 is a wiring diagram of the device according to the first embodiment of the present invention.
- FIG. 6 is a waveform chart of voltage and current in the device according to the first embodiment of the present invention.
- FIG. 7A to 7C are diagrams showing a device according to the second embodiment of the present invention ( FIG. 8 is a circuit diagram of the device according to the third embodiment of the present invention).
- FIG. 9 is a circuit diagram of a device according to a fourth embodiment of the present invention.
- FIGS. 1OA to 1OC show a device according to a fifth embodiment of the present invention.
- FIGS. 11A to 11C are diagrams showing a device according to a sixth embodiment of the present invention.
- FIGS. 12A and 12B are waveform diagrams of voltages and currents in the devices according to the fifth and sixth embodiments of the present invention.
- FIG. 13 is a circuit diagram of the device according to the seventh embodiment of the present invention.
- FIG. 14 is a circuit diagram of the device according to the eighth embodiment of the present invention.
- FIG. 15A and FIG. 15B are waveform diagrams of voltage and current in the device according to the ninth embodiment of the present invention.
- FIG. 16 is a circuit diagram of an apparatus according to a ninth embodiment of the present invention.
- FIG. 17 is a configuration diagram of a power converter according to a tenth embodiment of the present invention.
- a portion A indicated by a dotted line in FIG. 4 constitutes a module type device having a MOS gate type semiconductor chip such as IGBT or IEGT according to the present invention. The same applies to the following embodiments.
- the IEGT 1 and the emitter terminal E ′ are connected by the inductance element 8.
- the inductance element 8 is composed of a plurality of coils (four in the figure).
- a voltage L * diZdt is generated in the inductance element 8 when the current is cut off.
- the gate voltage Vge actually applied to the IEGT 1 is reduced to (Eoff_L * di / dt) instead of Eoff, and the turn-off voltage is relaxed.
- the wiring length of the wire bonding is reduced by making the collector side wiring 7a shorter than the inductance element 8 also serving as the emitter side wiring.
- the effect of inserting the inductance element 8 into the module-type element is further enhanced because the ratio of the inductance element 8 increases even in the same case. Become.
- the inductance value of the inductance element 8 be 50 nH or less in total, and the reason will be described below.
- the IEGT gate has a limit withstand voltage, and dielectric breakdown occurs when a voltage higher than this is applied.
- MOS gate type semiconductor devices have a gate withstand voltage of at least 100 V It must be kept below.
- FIG. 7A shows a piezoelectric element having a press-contact type semiconductor chip, in which the IEGT 1 press-connects a package member 10 a 10 b of a press-fitting package 10. Being done. Since the pressure welding type IEGT has almost no inductance element, dV / dt is further larger than the wire bonding type chip in the first embodiment. The element is easily broken.
- the chip terminal E of the IEGT 1 and the terminal E of the insulation displacement element are connected by the panel-shaped inductance element 9.
- the inductance element 9 By connecting the inductance element 9 to the emitter terminal in this way, it is possible to mitigate the dV / dt rise at turn-off and prevent the element from being destroyed. There is an effect that can be done.
- the embodiment shown in FIGS. 7B and 7C is different from the embodiment shown in FIG. 7A in that the panel-shaped inductance element 9 is replaced with a ring-shaped inductance element (reinforcement element) shown in FIG. 7C.
- Actuator 9 ' is inserted into the press-contact type element shown in Fig. 7B while penetrating the emitter-side terminal.
- a third embodiment of the present invention will be described with reference to FIG.
- a means of preventing element destruction due to a large dvZdt not only the above-mentioned effect is reduced by inserting an inductance element, but also the gate power supply voltage is increased.
- a method of gradually increasing the voltage without applying a relatively large voltage is conceivable.
- the CT (curr re n t t r a ns f o r m er) 11 for current detection is installed on a line derived from the emitter terminal of the IEGT 1. Also, a configuration in which resistors 12 to 14 and a power amplifier 15 receiving the output of CT 11 are inserted in a series circuit consisting of a power supply 3 for supplying a gate voltage E off for off and a switch 5 for off. And
- a fourth embodiment of the present invention will be described with reference to FIG. This embodiment is different from the power supply 3a for supplying the OFF gate voltage E off in place of the series circuit composed of the power supply 3 for supplying the OFF gate voltage E of and the OFF switch 5 in FIG.
- a first series circuit consisting of an off switch 5a and a power supply
- a second series circuit consisting of a power supply 3b for supplying an off gate voltage E o ⁇ f
- an off switch 5b The circuit in which and are connected in parallel is connected to the good terminal G and the emitter terminal E.
- the power supply 3a of the first series circuit is, for example, 115 V
- the power supply 3b of the second series circuit is 110 V, for example.
- This embodiment does not use a power supply of 115 V for the gate voltage from the beginning, but applies a power supply 3 b of 110 V with the switch 5 b closed for turning off. is there. For this reason, there is an effect that high levels and dv / dt do not occur and there is no risk of element destruction.
- switch 5b is opened, switch 5a is closed so that IEGT 1 does not misfire by noise, etc. Is applied.
- FIGS. 10A to 10C, FIGS. 11A to 11C, FIGS. 12A and 12B, and FIGS. 13A to 13C for the fifth and sixth embodiments of the present invention. It will be described using FIG.
- the fifth embodiment shown in FIG. 10A shows a system in which three IEGTs 1 are connected in parallel.
- Each inductance element 8a, 8b, 8c is composed of a plurality of coils (four in the figure).
- the gate voltage of IEGTla becomes Eoff + L (di1 / dt), and the gate voltage for current interruption is increased.
- the current interrupting force VGE + L * di / dt
- IEGT 1b and IEGT 1c become The current interrupting force (VGE—L * di / dt) decreases.
- the cutoff currents of the parallel-connected IEGTs can be balanced, and a large current as a whole can be cut off.
- This effect is not only attributable to the element that is destroyed when the dV / dt at the time of turn-off is high as in the first embodiment, but also to the conventional low-breakdown-voltage IGBT that does not particularly consider dV / dt at the time of turn-off. In any case, the effect of improving the current balance can be obtained.
- this inductance element should be In addition to improving the breaking current capability, the current balance in parallel connection is also improved, and the breaking current capability can be further improved as a whole.
- FIG. 10B shows a case of an IEGT1 power S wire-bonding type chip in which a plurality of parallel-connected chips are put in a module package.
- the wire bonding wiring if the collector is short and the emitter side is long, the effect of the present embodiment can be further exhibited.
- Fig. 10B shows the bonding wire as shown in Fig. 10A. Then, the required inductance value may be secured.
- Fig. 10C shows the case where IEGT 1 is of the insulation displacement type and the insulation displacement connection (flat type) is performed by connecting a plurality of parallel connections. It shows what was put in the package.
- Fig. 11B shows another implementation example of multiple parallel connections when IEGT 1 is a pressure welding type chip.
- Reactor 8 ' is implemented in the core.
- the end of the emitter terminal E 'of the press-contact package 10b facing the IEG T1 is formed in a projecting shape.
- an annular reactor 8 ′ as shown in FIG. 11C is penetrated and fitted into the protruding end of the emitter terminal E ′, thereby making it practically possible.
- Figure 11A shows the implementation of the circuit shown in Figure 11A.
- FIG. 13 is a diagram in which the connection of the gate resistors 6a, 6b, and 6c of each IGT 1 in FIG. 10 is changed to simplify the wiring path of the gate circuit.
- the present invention is applied to overvoltage protection and overcurrent protection by gate control. That is, the overvoltage protection is performed by a constant voltage diode 103 and a diode 102, for example, when an overvoltage is applied to the IEGT 1a, the IEGT 1 is fired to suppress the overvoltage. Control protection.
- a current sensor is installed in IEGT 1a, that is, the current is detected by the resistor 100, and the gate potential of the IEGT 1a is lowered by the transistor 101.
- a protection method based on good control to suppress overcurrent is adopted.
- FIG. 15A, 15B, and 16 A ninth embodiment of the present invention will be described with reference to FIGS. 15A, 15B, and 16.
- FIG. 15A, 15B, and 16 A ninth embodiment of the present invention will be described with reference to FIGS. 15A, 15B, and 16.
- FIG. 15A, 15B, and 16 A ninth embodiment of the present invention will be described with reference to FIGS. 15A, 15B, and 16.
- FIG. 15A, 15B, and 16 A ninth embodiment of the present invention will be described with reference to FIGS. 15A, 15B, and 16.
- FIG. 15A, 15B, and 16 A ninth embodiment of the present invention will be described with reference to FIGS. 15A, 15B, and 16.
- FIG. 15A, 15B, and 16 A ninth embodiment of the present invention will be described with reference to FIGS. 15A, 15B, and 16.
- FIG. 15A, 15B, and 16 A ninth embodiment of the present invention will be described with reference to FIGS. 15A, 15B, and 16.
- IEGT high-withstand-voltage element
- the value of the current that can be cut off greatly changes depending on the value of the off-gate resistor.
- Fig. 15A when the off-gate resistance is small, the change in voltage and current increases and the switching loss decreases, but the current that can be cut off is It becomes smaller.
- Fig. 15B when the off gate resistance is large, the switching loss is large, but the current that can be cut off is large.
- the embodiment shown in FIG. 16 has a configuration in which a plurality of off-state gate resistors can be provided to select a current value that can be cut off.
- the present embodiment can be used for protection when a large current flows due to a short-circuit of the upper and lower arms in an inverter or the like, utilizing the above-described characteristics.
- a CT 11 for detecting a fault current is provided on a line derived from the emitter terminal of the IEGT 1.
- the output of this CT 11 is given to the fault current judgment circuit 18.
- the off switches 5a and 513 and the resistors 17 & and 17b are connected between the power supply 3 that supplies the gate voltage for off E off and the gate terminal of IEGT 1.
- the off switches 5 a and 5 b are selectively turned on and off by a fault current determination circuit 18.
- the switching loss is small if the switch 5a is closed and the IEGT 1 is turned on and off using the low resistance 17a. I can do it.
- the circuit D (the circuit of FIG. 17 in FIG. 17) of the embodiment shown in FIG. 10A to FIG. 10C or FIG. 11A to FIG.
- the bridge circuit is connected between the DC capacitor 19 and the load 20 to form a three-phase inverter.
- the breaking current value of each IEGT increases, and the current balance between the chips can be improved, the breaking current value of the MOS gate type semiconductor device can be increased. Therefore, the capacity as a power converter can be increased.
- a three-phase inverter has been described.
- a power conversion using a MOS good semiconductor device to cut off a current is described.
- the same effect can be obtained not only by the inverter but also by any other power converter such as a pulse power source, a DC power source, a resonance type power conversion system, and a chopper circuit.
- the IEGT has been described as an example of a MOS gate type semiconductor device.However, dV / ⁇ t at turn-off, such as an IGBT with a high withstand voltage and an IGBT with a cut-off current of 10% or more due to the gate resistance, is used.
- the present invention can be applied to an element that is destroyed due to the above.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98921779A EP0920114B1 (en) | 1997-05-23 | 1998-05-22 | Power converter wherein mos gate semiconductor device is used |
JP55024698A JP3512426B2 (ja) | 1997-05-23 | 1998-05-22 | Mosゲート型半導体素子を用いた電力変換装置 |
DE69841505T DE69841505D1 (de) | 1997-05-23 | 1998-05-22 | Stromwandler mit mos-gate-halbleiteranordnung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9/133181 | 1997-05-23 | ||
JP13318197 | 1997-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998053546A1 true WO1998053546A1 (fr) | 1998-11-26 |
Family
ID=15098587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/002267 WO1998053546A1 (fr) | 1997-05-23 | 1998-05-22 | Convertisseur de puissance mettant en application un composant a semi-conducteur de porte mos |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0920114B1 (ja) |
JP (1) | JP3512426B2 (ja) |
CN (1) | CN1078971C (ja) |
DE (1) | DE69841505D1 (ja) |
WO (1) | WO1998053546A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10439606B2 (en) | 2017-08-15 | 2019-10-08 | Fuji Electric Co., Ltd. | Semiconductor module |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3432425B2 (ja) * | 1998-08-05 | 2003-08-04 | 株式会社東芝 | ゲート回路 |
JP3950836B2 (ja) * | 2003-10-16 | 2007-08-01 | 株式会社東芝 | 車両用制御装置 |
JP2012222932A (ja) * | 2011-04-07 | 2012-11-12 | Mitsubishi Electric Corp | スイッチング装置、スイッチングモジュール |
US10071634B2 (en) * | 2016-03-22 | 2018-09-11 | Ford Global Technologies, Llc | Dynamic IGBT gate drive to reduce switching loss |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0365046A (ja) * | 1989-08-02 | 1991-03-20 | Fuji Electric Co Ltd | ゲート駆動回路 |
JPH05336732A (ja) * | 1992-06-02 | 1993-12-17 | Toshiba Corp | Igbtゲート回路 |
JPH07177727A (ja) * | 1993-12-22 | 1995-07-14 | Toshiba Corp | 電圧駆動型スイッチング素子のゲート駆動回路および電圧駆動型スイッチング素子のゲート駆動方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0246A (ja) * | 1988-12-18 | 1990-01-05 | Ishida Katsutoshi | 情報記録フィルム |
JP2910859B2 (ja) * | 1989-09-29 | 1999-06-23 | 株式会社東芝 | 半導体素子の駆動回路 |
US5204563A (en) * | 1992-01-22 | 1993-04-20 | Jason Barry L | Mosfet output circuit with improved protection method |
EP0645889B1 (de) * | 1993-09-13 | 2001-12-12 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Begrenzung der Stromfallgeschwindigkeit beim Ausschalten von Leistungshalbleiterschaltern mit MOS-Steuereingang |
-
1998
- 1998-05-22 WO PCT/JP1998/002267 patent/WO1998053546A1/ja active Application Filing
- 1998-05-22 DE DE69841505T patent/DE69841505D1/de not_active Expired - Lifetime
- 1998-05-22 JP JP55024698A patent/JP3512426B2/ja not_active Expired - Fee Related
- 1998-05-22 CN CN98800691A patent/CN1078971C/zh not_active Expired - Fee Related
- 1998-05-22 EP EP98921779A patent/EP0920114B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0365046A (ja) * | 1989-08-02 | 1991-03-20 | Fuji Electric Co Ltd | ゲート駆動回路 |
JPH05336732A (ja) * | 1992-06-02 | 1993-12-17 | Toshiba Corp | Igbtゲート回路 |
JPH07177727A (ja) * | 1993-12-22 | 1995-07-14 | Toshiba Corp | 電圧駆動型スイッチング素子のゲート駆動回路および電圧駆動型スイッチング素子のゲート駆動方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0920114A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10439606B2 (en) | 2017-08-15 | 2019-10-08 | Fuji Electric Co., Ltd. | Semiconductor module |
Also Published As
Publication number | Publication date |
---|---|
CN1227011A (zh) | 1999-08-25 |
CN1078971C (zh) | 2002-02-06 |
EP0920114A4 (en) | 2005-05-04 |
DE69841505D1 (de) | 2010-04-01 |
EP0920114A1 (en) | 1999-06-02 |
EP0920114B1 (en) | 2010-02-17 |
JP3512426B2 (ja) | 2004-03-29 |
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