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CN109560066A - A kind of power module with gap bridge conductive layer - Google Patents

A kind of power module with gap bridge conductive layer Download PDF

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Publication number
CN109560066A
CN109560066A CN201811544684.6A CN201811544684A CN109560066A CN 109560066 A CN109560066 A CN 109560066A CN 201811544684 A CN201811544684 A CN 201811544684A CN 109560066 A CN109560066 A CN 109560066A
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CN
China
Prior art keywords
power
bridge arm
conductive layer
electrode
bridge
Prior art date
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Pending
Application number
CN201811544684.6A
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Chinese (zh)
Inventor
周卫国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Huicheng Rate Electronics Co Ltd
Original Assignee
Shenzhen Huicheng Rate Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Huicheng Rate Electronics Co Ltd filed Critical Shenzhen Huicheng Rate Electronics Co Ltd
Publication of CN109560066A publication Critical patent/CN109560066A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/52Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/538Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
    • H01L23/5381Crossover interconnections, e.g. bridge stepovers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00Assemblies consisting of a plurality of semiconductor or other solid state devices
    • H01L25/18Assemblies consisting of a plurality of semiconductor or other solid state devices the devices being of the types provided for in two or more different main groups of the same subclass of H10B, H10D, H10F, H10H, H10K or H10N

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

A kind of power module with gap bridge conductive layer provided by the invention, it include: the first power electrode, second power electrode, first insulating substrate, output electrode, second electrode conductive layer, the the first bridge arm conductive layer for being arranged on the first insulating substrate and being electrically connected with the first power electrode, the first bridge arm power chip on first bridge arm conductive layer is set, the the second bridge arm conductive layer for being arranged on the first insulating substrate and being electrically connected with output electrode, the second bridge arm power chip on second bridge arm conductive layer is set, the second bridge arm power chip is electrically connected by second electrode conductive layer with the second power electrode;First bridge arm gap bridge conductive layer lamination between the first bridge arm conductive layer and second electrode conductive layer is arranged, and bridges the first bridge arm power chip and the second bridge arm conductive layer.Compared with prior art, there is lower parasitic inductance.

Description

A kind of power module with gap bridge conductive layer
Technical field
The present invention relates to field of power electronics, and in particular to a kind of power module with gap bridge conductive layer.
Background technique
Power module is power electronic electrical device such as metal-oxide semiconductor (MOS) (power MOS pipe), insulated-gate type field effect It answers transistor (IGBT), the power switch module that fast recovery diode (FRD) is combined and packaged by certain function is mainly used In electric car, wind-power electricity generation, the power conversion under the various occasions such as industrial frequency conversion.
The motor-drive circuit of electric car generally includes three groups of power modules for being respectively provided with upper and lower bridge arm, and Fig. 1 is existing A kind of circuit diagram for the power module having shows the circuit signal of one group of power module with upper and lower bridge arm Figure comprising: as the insulated-gate type field effect transistor Z1 of upper bridge arm, and the fast recovery diode with its reverse parallel connection D1, as the insulated-gate type field effect transistor Z2 of lower bridge arm, and the fast recovery diode D2 with its reverse parallel connection, wherein absolutely The positive p+ of the collector connection power module of edge grid-type field effect transistor Z1, emitter connect edge grid-type field effect transistor The collector of pipe Z2, the cathode p- of the emitter connection power module of edge grid-type field effect transistor Z2, insulated-gate type field effect The emitter of transistor Z1 and the collector of Z2 connect the output terminal of power module jointly.In practical applications, usually used Three groups of power modules provide three-phase alternating current for motor;It is only illustrated with the circuit diagram of one group of power module herein Working principle: when insulated-gate type field effect transistor Z1 is connected, the electric current successively positive p+ through power module, insulated-gate type field Collector, emitter, the power module output terminal OUTPUT of effect transistor Z1 is exported to motor;Work as insulated-gate type field effect When transistor Z1 is turned off, since motor is inductive load, to guarantee that current direction is constant, freewheel current need to be through other groups of power Cathode p-, diode D2, power module output terminal OUTPUT of the module through the power module are exported to motor.
Under the application of certain smaller powers, the electronic device in power module can also use power MOS pipe, and Fig. 2 is Another circuit diagram of power MOS pipe module comprising: as the power MOS pipe M1 of upper bridge arm, as the function of lower bridge arm The positive p+ of the drain electrode connection power module of rate metal-oxide-semiconductor M2, wherein power MOS pipe M1, the source electrode of power MOS pipe M1 connect power The drain electrode of metal-oxide-semiconductor M2, the cathode p- of the source electrode connection power module of power MOS pipe M2, the source electrode and power of power MOS pipe M1 The drain electrode of metal-oxide-semiconductor M2 connects the output terminal of power module, working principle and use insulated-gate type field effect crystal jointly The module of pipe is similar, and the difference between both essentially consists in backward dioded built in power MOS pipe, therefore does not need in parallel anti- To diode.In addition, inverse conductivity type IGBT and power MOS has identical structure and function, due to diode-built-in, it is not required to reversely simultaneously Union II pole pipe, module design and structure are similar to power MOS, and details are not described herein.
Power module generally comprises at least one half-bridge structure, and the half-bridge structure is by two bridge arms and to for power mould First power electrode of block conduction electric current, the second power electrode, output electrode are composed, the first power electrode, the second power Electrode and output electrode are connected with conductive layer corresponding in power module, to realize half-bridge circuit function;In practical applications, Parasitic inductance is all the main bugbear that needs to overcome in power electronic device application all the time, especially in high frequency and high-power Application.The parasitic inductance of inside modules will cause the overvoltage in turn off process, and parasitic parameter will cause power module Waveform concussion in switching process, to increase electromagnetic interference and switching loss.
Summary of the invention
The present invention to solve problems of the prior art, provides a kind of power module with gap bridge conductive layer, packet Include: the first power electrode, the second power electrode, the first insulating substrate, second electrode conductive layer, are arranged first output electrode The first bridge arm conductive layer for being electrically connected on insulating substrate and with the first power electrode, first be arranged on the first bridge arm conductive layer Bridge arm power chip, the second bridge arm conductive layer for being arranged on the first insulating substrate and being electrically connected with output electrode, setting are the The second bridge arm power chip on two bridge arm conductive layers, the second bridge arm power chip pass through second electrode conductive layer and second Power electrode electrical connection;First bridge arm gap bridge conductive layer lamination between the first bridge arm conductive layer and second electrode conductive layer is set It sets, bridges the first bridge arm power chip and the second bridge arm conductive layer.
Further, the power module further include: be connected to the first bridge arm power chip and the first bridge arm gap bridge is conductive The first bridge arm conductive column between layer and the bridging that is connected between the first bridge arm gap bridge conductive layer and the second bridge arm conductive layer Conductive column.
Further, the power module further include: be connected to second electrode conductive layer and the second bridge arm power chip it Between the second bridge arm conductive column.
Further, the power module further include: the second insulated substrate, the second insulated substrate include and the first insulation base The opposite first surface of plate, second electrode conductive layer are covered on the first surface, and second electrode conductive layer is equipped with the first bridge Arm gap bridge insulation island, the first bridge arm gap bridge conductive layer setting are passed a bridge in insulation island in the first bridge arm.
Further, the first bridge arm conductive layer, the first bridge arm gap bridge conductive layer, the first bridge arm are passed a bridge insulation island, the One bridge arm power chip be it is multiple, each first bridge arm conductive layer corresponding thereto is arranged in the grouping of the first bridge arm power chip On, every group of first bridge arm power chip is electrically connected with corresponding first bridge arm gap bridge conductive layer respectively, and each first bridge arm is conductive Layer is electrically connected by fuse with the first power electrode respectively.
Further, the fuse is binding line.
Further, the fuse is the line-shaped conductive layer being arranged on the first insulating substrate.
Further, the first bridge arm gap bridge insulation island, the through-hole and first surface opened up by second electrode conductive layer Cooperation is constituted.
Further, the power module further include: third insulating substrate, the first bridge arm gap bridge insulation island, by setting The third insulating substrate set on second electrode conductive layer is constituted.
Further, the power module further include: be set on the first insulating substrate and each first bridge arm power chip First bridge arm of control terminal electrical connection controls conductive layer, and is set on the first insulating substrate and each second bridge arm power chip Second bridge arm of control terminal electrical connection controls conductive layer.
Further, the first bridge arm power chip and the second bridge arm power chip include power MOS pipe and reversed Parallel diode.
Further, the first bridge arm power chip and the second bridge arm power chip include IGBT and reverse parallel connection two Pole pipe.
Further, the first power electrode includes the first power electrode main body and the first power electrode first connecting portion, the Two power electrodes include the second power electrode main body and the second power electrode first connecting portion, and the first power electrode main body passes through the One power electrode first connecting portion is electrically connected with the first bridge arm conductive layer, and the second power electrode main body passes through the second power electrode the One interconnecting piece is electrically connected with second electrode conductive layer, and the first power electrode main body and the second power electrode main body are sheet and layer Folded to be spaced apart, the first power electrode main body, which is equipped with, to be extended along first direction to outside power module, and exceeds the second power electrode First power electrode second connecting portion of body rim;Second power electrode main body is equipped with to extend outwardly from its side, and exceeds Second power electrode second connecting portion of the first power electrode body rim.
Further, the first power electrode second connecting portion and the second power electrode second connecting portion be equipped with to The fixed connecting hole with bolt cooperation.
Further, the first power electrode second connecting portion includes second connecting portion main body, and is connected from second The outwardly extending second auxiliary interconnecting piece in portion side, the connecting hole setting is on the second auxiliary interconnecting piece.
Further, the first power electrode second connecting portion is sheet metal, the sheet metal and the first power electrode main body one It is body formed, first the first connecting hole of power electrode and first the second connecting hole of power electrode are provided on sheet metal;Second power Electrode second connecting portion is the two panels sheet metal extended from two opposite sides of the second power electrode main body, the two panels metal Piece is each provided with second the first connecting hole of power electrode and second the second connecting hole of power electrode.
A kind of power module with gap bridge conductive layer provided by the invention, comprising: the first power electrode, the second power electricity Pole, the first insulating substrate, output electrode, second electrode conductive layer, be arranged on the first insulating substrate and with the first power electrode First bridge arm conductive layer of electrical connection, the first bridge arm power chip being arranged on the first bridge arm conductive layer, setting are exhausted first The second bridge arm conductive layer being electrically connected on edge substrate and with output electrode, the second bridge arm function being arranged on the second bridge arm conductive layer Rate chip, the second bridge arm power chip are electrically connected by second electrode conductive layer with the second power electrode;First bridge arm mistake Bridge conductive layer lamination between the first bridge arm conductive layer and second electrode conductive layer is arranged, and bridges the first bridge arm power chip and the Two bridge arm conductive layers.Compared with prior art, there is lower parasitic inductance.
Detailed description of the invention
Fig. 1 is a kind of circuit diagram of existing power module;
Fig. 2 is the circuit diagram of existing another power module;
Fig. 3 is a kind of unfolding assumption diagram of power module embodiment one with gap bridge conductive layer provided by the invention;
Fig. 4 is that structure chart is cutd open in a kind of side of power module embodiment one with gap bridge conductive layer provided by the invention;
Fig. 5 is a kind of unfolding assumption diagram of power module embodiment two with gap bridge conductive layer provided by the invention;
Fig. 6 is that structure chart is cutd open in a kind of side of power module embodiment two with gap bridge conductive layer provided by the invention;
Fig. 7 is a kind of unfolding assumption diagram of power module embodiment three with gap bridge conductive layer provided by the invention;
Fig. 8 is that structure chart is cutd open in a kind of side of power module embodiment three with gap bridge conductive layer provided by the invention;
Fig. 9 is a kind of structure chart of power module example IV with gap bridge conductive layer provided by the invention;
Figure 10 is a kind of structure chart of power module embodiment five with gap bridge conductive layer provided by the invention.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing, it should be understood that specific implementation described herein Example is only used to explain the present invention, is not intended to limit the present invention.
A kind of power module with gap bridge conductive layer as shown in Figures 3 to 10, comprising: the first power electrode 100, Two power electrodes 200, the first insulating substrate 12, second electrode conductive layer 24, are arranged on the first insulating substrate output electrode 11 And the first bridge arm conductive layer 14 being electrically connected with the first power electrode, the first bridge arm power being arranged on the first bridge arm conductive layer Chip 15, the first bridge arm gap bridge conductive layer 22, the second bridge arm for being arranged on the first insulating substrate and being electrically connected with output electrode Conductive layer 18, the second bridge arm power chip 19 being arranged on the second bridge arm conductive layer, the second bridge arm power chip pass through Second electrode conductive layer is electrically connected with the second power electrode;First bridge arm gap bridge conductive layer is in the first bridge arm conductive layer and the second electricity Lamination is arranged between the conductive layer of pole, bridges the first bridge arm power chip and the second bridge arm conductive layer.
Specifically, in certain embodiments, the power module further include: be connected to the first bridge arm power chip and first The first bridge arm conductive column 16 between bridge arm gap bridge conductive layer and it is connected to the first bridge arm gap bridge conductive layer and the second bridge arm is led Bridging conductive column 17 between electric layer.
Specifically, in certain embodiments, the power module further include: be connected to second electrode conductive layer and the second bridge The second bridge arm conductive column 20 between arm power chip.
Specifically, in certain embodiments, the power module further include: the second insulated substrate 21, the second insulated substrate Including the first surface opposite with the first insulating substrate, second electrode conductive layer 24 is covered on the first surface, second electrode Conductive layer is equipped with the first bridge arm gap bridge insulation island 33, and the setting of the first bridge arm gap bridge conductive layer 22 is passed a bridge exhausted in the first bridge arm In edge island.
Specifically, in certain embodiments, the first bridge arm conductive layer 14, the first bridge arm gap bridge conductive layer 22, first Bridge arm pass a bridge insulation island, the first bridge arm power chip 15 be it is multiple, the grouping of the first bridge arm power chip is arranged corresponding thereto On each first bridge arm conductive layer answered, every group of first bridge arm power chip is electrically connected with corresponding first bridge arm gap bridge conductive layer respectively It connects, each first bridge arm conductive layer passes through fuse 31 respectively and is electrically connected with the first power electrode 100.Core occurs in power module When piece short circuit, fuse fuses, and can play a protective role to entire module.
Specifically, in certain embodiments, the fuse is binding line.
Specifically, in certain embodiments, the fuse is the line-shaped conductive layer being arranged on the first insulating substrate.
Specifically, in certain embodiments, the first bridge arm gap bridge insulation island, is opened up logical by second electrode conductive layer Hole and first surface cooperation are constituted.
Specifically, in certain embodiments, the power module further include: third insulating substrate 33, first bridge arm Gap bridge insulation island, is made of the third insulating substrate being arranged on second electrode conductive layer.Wherein, third insulating substrate can root According to actual needs, one or more is set;Setting muti-piece third insulating substrate can be superimposed bring stress to avoid substrate and ask Topic.
Specifically, in certain embodiments, the power module further includes being set on the first insulating substrate and each first First bridge arm of bridge arm power chip control terminal electrical connection controls conductive layer, and is set on the first insulating substrate and each second Second bridge arm of bridge arm power chip control terminal electrical connection controls conductive layer.To conduct control the first bridge arm power chip and The control signal of second bridge arm power chip turn-on and turn-off.
Specifically, in certain embodiments, the first bridge arm power chip and the second bridge arm power chip include power Metal-oxide-semiconductor and anti-parallel diodes.
Specifically, in certain embodiments, the first bridge arm power chip and the second bridge arm power chip include IGBT And anti-parallel diodes.
Specifically, in certain embodiments, as shown in figure 9, the first power electrode includes 101 He of the first power electrode main body First power electrode first connecting portion 102, the second power electrode include the second power electrode main body 201 and the second power electrode the One interconnecting piece 202, the first power electrode main body 101 pass through the first power electrode first connecting portion 102 and the first bridge arm conductive layer Electrical connection, the second power electrode main body 201 are electrically connected by the second power electrode first connecting portion 202 with second electrode conductive layer It connects, the first power electrode main body and the second power electrode main body are sheet and stacking is spaced apart, the first power electrode main body Equipped with extending along first direction to outside power module, and the first power electrode second beyond the second power electrode body rim connects Socket part;Second power electrode main body is equipped with the second function for extending outwardly from its side, and exceeding the first power electrode body rim Rate electrode second connecting portion 203.In a particular application, the first power electrode main body, the first power electrode first connecting portion, first Power electrode second connecting portion generallys use piece of metal piece and is made into integration through over mechanical processing, can also be according to actual need It to be made of multi-sheet structure connection;Second power electrode main body, the second power electrode first connecting portion, the second power electrode Two interconnecting pieces generally use piece of metal piece and are made into integration through over mechanical processing, can also use multi-disc according to the actual needs Structure connection is made;Wherein, the side of the second power electrode main body is referring to definition, i.e. the second power electrode with first direction The part of main body two sides in a first direction, can be referred to as the side of the second power electrode main body.
Specifically, in certain embodiments, the first power electrode second connecting portion 103 and the second power electrode second Interconnecting piece 203 is equipped with to the connecting hole fixed with bolt cooperation.
Specifically, in certain embodiments, as shown in Figure 10, the first power electrode second connecting portion 103 includes the Two interconnecting piece main bodys, and from the outwardly extending second auxiliary interconnecting piece in second connecting portion side, connecting hole setting is the On two auxiliary interconnecting pieces.Second auxiliary interconnecting piece is two stretched along the first power module second connecting portion main body side direction extension Sheet metal 1033a, 1034b, the connecting hole setting is on the second auxiliary interconnecting piece.
Specifically, in certain embodiments, the first power electrode second connecting portion 103 is sheet metal, the sheet metal and the One power electrode main body is integrally formed, and is provided with first power electrode the first connecting hole 1031 and the first power electrode on sheet metal Second connecting hole 1032;Second power electrode second connecting portion is to extend from two opposite sides of the second power electrode main body Two panels sheet metal, which is each provided with second power electrode the first connecting hole 2031 and the second power electrode second Connecting hole 2032.In a particular application, more connecting hole can also be set according to the actual needs.
When power module work is in drive current state, driving current is flowed into from the first power electrode, followed by molten Disconnected device 31, the first bridge arm conductive layer 14, the first bridge arm power chip 15, the first bridge arm conductive column 16, the first bridge arm gap bridge electric layer 22, conductive column 17 is bridged, the second bridge arm conductive layer 18 flows out to output electrode;When power module work in freewheeling state, continue Galvanic electricity stream is flowed into from the second power electrode, followed by second electrode conductive layer 24, the second bridge arm conductive column 20, the second bridge arm function Rate chip 19, the second bridge arm conductive layer 18 flow out to output electrode.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations Technical field, be included within the scope of the present invention.

Claims (16)

1. a kind of power module with gap bridge conductive layer, comprising: the first power electrode, the second power electrode, the first insulation base Plate, output electrode, second electrode conductive layer, the first bridge for being arranged on the first insulating substrate and being electrically connected with the first power electrode Arm conductive layer, the first bridge arm power chip being arranged on the first bridge arm conductive layer, the first bridge arm gap bridge conductive layer, setting are the The second bridge arm conductive layer being electrically connected on one insulating substrate and with output electrode, the second bridge being arranged on the second bridge arm conductive layer Arm power chip, the second bridge arm power chip are electrically connected by second electrode conductive layer with the second power electrode;Its feature Be: the first bridge arm gap bridge conductive layer lamination between the first bridge arm conductive layer and second electrode conductive layer is arranged, bridging first Bridge arm power chip and the second bridge arm conductive layer.
2. power module according to claim 1, it is characterised in that: further include being connected to the first bridge arm power chip and The first bridge arm conductive column between one bridge arm gap bridge conductive layer and it is connected to the first bridge arm gap bridge conductive layer and the second bridge arm is led Bridging conductive column between electric layer.
3. power module according to claim 1, it is characterised in that: further include being connected to second electrode conductive layer and second The second bridge arm conductive column between bridge arm power chip.
4. power module according to claim 1, it is characterised in that: further include the second insulated substrate, the second insulated substrate Including the first surface opposite with the first insulating substrate, second electrode conductive layer is covered on the first surface, and second electrode is led Electric layer is equipped with the first bridge arm gap bridge insulation island, and the first bridge arm gap bridge conductive layer setting is on the first bridge arm gap bridge insulation island It is interior.
5. power module according to claim 4, it is characterised in that: the first bridge arm conductive layer, the first bridge arm are passed a bridge Conductive layer, the first bridge arm pass a bridge insulation island, the first bridge arm power chip be it is multiple, the grouping setting of the first bridge arm power chip exists On each first bridge arm conductive layer corresponding thereto, every group of first bridge arm power chip is led with corresponding first bridge arm gap bridge respectively Electric layer electrical connection, each first bridge arm conductive layer pass through fuse respectively and are electrically connected with the first power electrode.
6. power module according to claim 5, it is characterised in that: the fuse is binding line.
7. power module according to claim 5, it is characterised in that: the fuse is to be arranged on the first insulating substrate Line-shaped conductive layer.
8. power module according to claim 4, it is characterised in that: the first bridge arm gap bridge insulation island, by the second electricity Through-hole and the first surface cooperation that pole conductive layer opens up are constituted.
9. power module according to claim 4, it is characterised in that: it further include third insulating substrate, first bridge arm Gap bridge insulation island, is made of the third insulating substrate being arranged on second electrode conductive layer.
10. power module according to claim 1, it is characterised in that: further include be set on the first insulating substrate with it is each First bridge arm of the first bridge arm power chip control terminal electrical connection controls conductive layer, and be set on the first insulating substrate with it is each Second bridge arm of the second bridge arm power chip control terminal electrical connection controls conductive layer.
11. a kind of power module according to claim 1, it is characterised in that: the first bridge arm power chip and second Bridge arm power chip includes power MOS pipe and anti-parallel diodes.
12. a kind of power module according to claim 1, it is characterised in that: the first bridge arm power chip and second Bridge arm power chip includes IGBT and anti-parallel diodes.
13. power module according to claim 1, it is characterised in that: the first power electrode includes the first power electrode master Body and the first power electrode first connecting portion, the second power electrode include the second power electrode main body and the second power electrode first Interconnecting piece, the first power electrode main body are electrically connected by the first power electrode first connecting portion with the first bridge arm conductive layer, and second Power electrode main body is electrically connected by the second power electrode first connecting portion with second electrode conductive layer, the first power electrode main body With the second power electrode main body be sheet and stacking is spaced apart, and the first power electrode main body is equipped with along first direction to power Extend outside module, and exceeds the first power electrode second connecting portion of the second power electrode body rim;Second power electrode master Body is equipped with the second power electrode second connecting portion for extending outwardly from its side, and exceeding the first power electrode body rim.
14. power module according to claim 13, it is characterised in that: the first power electrode second connecting portion and Two power electrode second connecting portions are equipped with to the connecting hole fixed with bolt cooperation.
15. power module according to claim 14, it is characterised in that: the first power electrode second connecting portion includes Second connecting portion main body, and from the outwardly extending second auxiliary interconnecting piece of second connecting portion body side, the connecting hole is set It sets on the second auxiliary interconnecting piece.
16. power module according to claim 13, it is characterised in that: the first power electrode second connecting portion is metal Piece, the sheet metal and the first power electrode main body are integrally formed, be provided on sheet metal first the first connecting hole of power electrode and First the second connecting hole of power electrode;Second power electrode second connecting portion is two sides opposite from the second power electrode main body While the two panels sheet metal extended, which is each provided with second the first connecting hole of power electrode and the second power electrode Second connecting hole.
CN201811544684.6A 2018-10-14 2018-12-17 A kind of power module with gap bridge conductive layer Pending CN109560066A (en)

Applications Claiming Priority (2)

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CN201811273654 2018-10-14
CN2018112736546 2018-10-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110335864A (en) * 2019-06-22 2019-10-15 深圳市奕通功率电子有限公司 A kind of power modules
CN111211114A (en) * 2020-03-01 2020-05-29 深圳市奕通功率电子有限公司 A kind of fast power module and power module

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Publication number Priority date Publication date Assignee Title
CN103545305A (en) * 2013-11-01 2014-01-29 徐员娉 Power module
CN105374811A (en) * 2015-11-23 2016-03-02 扬州国扬电子有限公司 Power module
CN107170714A (en) * 2017-06-14 2017-09-15 扬州国扬电子有限公司 A kind of low stray inductance power model of low stray inductance power model and two-side radiation
CN107369657A (en) * 2017-08-30 2017-11-21 扬州国扬电子有限公司 A kind of two-side radiation power model of multizone laid out in parallel
CN107634052A (en) * 2017-08-30 2018-01-26 扬州国扬电子有限公司 A kind of parallel installation electrode combination and power model

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103545305A (en) * 2013-11-01 2014-01-29 徐员娉 Power module
CN105374811A (en) * 2015-11-23 2016-03-02 扬州国扬电子有限公司 Power module
CN107170714A (en) * 2017-06-14 2017-09-15 扬州国扬电子有限公司 A kind of low stray inductance power model of low stray inductance power model and two-side radiation
CN107369657A (en) * 2017-08-30 2017-11-21 扬州国扬电子有限公司 A kind of two-side radiation power model of multizone laid out in parallel
CN107634052A (en) * 2017-08-30 2018-01-26 扬州国扬电子有限公司 A kind of parallel installation electrode combination and power model

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110335864A (en) * 2019-06-22 2019-10-15 深圳市奕通功率电子有限公司 A kind of power modules
CN111211114A (en) * 2020-03-01 2020-05-29 深圳市奕通功率电子有限公司 A kind of fast power module and power module

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Address after: 518000 Zhenyeluan Valley, Baohe Road, Baolong Street, Longgang District, Shenzhen City, Guangdong Province, 3 buildings, 2 units, 10L

Applicant after: Shenzhen Yitong Power Electronics Co., Ltd.

Address before: 518000 Zhenyeluan Valley, Baohe Road, Baolong Street, Longgang District, Shenzhen City, Guangdong Province, 3 buildings, 2 units, 10L

Applicant before: Shenzhen Huicheng Rate Electronics Co., Ltd.