CN105810653B - It is a kind of be equipped with can common electrode large arm power module - Google Patents
It is a kind of be equipped with can common electrode large arm power module Download PDFInfo
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- CN105810653B CN105810653B CN201610284999.6A CN201610284999A CN105810653B CN 105810653 B CN105810653 B CN 105810653B CN 201610284999 A CN201610284999 A CN 201610284999A CN 105810653 B CN105810653 B CN 105810653B
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- forearm
- large arm
- dbc
- bridge
- leg
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- 210000000245 forearm Anatomy 0.000 claims abstract description 110
- 230000005611 electricity Effects 0.000 claims description 7
- 102100025982 BMP/retinoic acid-inducible neural-specific protein 1 Human genes 0.000 description 11
- 101000933342 Homo sapiens BMP/retinoic acid-inducible neural-specific protein 1 Proteins 0.000 description 11
- 101000715194 Homo sapiens Cell cycle and apoptosis regulator protein 2 Proteins 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/49—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions wire-like arrangements or pins or rods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/18—Assemblies 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
- H01L2224/48139—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate with an intermediate bond, e.g. continuous wire daisy chain
-
- 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
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19107—Disposition of discrete passive components off-chip wires
Landscapes
- 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
The invention discloses it is a kind of be equipped with can common electrode large arm power module, including DBC, output electrode and multiple power electrodes, the power electrode includes lead division, main part, interconnecting piece and leg, lead division is connected with main part, main part is connected by interconnecting piece with leg, and leg is connected on DBC；The interconnecting piece of each power electrode includes the large arm being connected with main part, and the one or both sides of large arm connect forearm, and forearm is connected with leg.The present invention connects forearm and leg by the way that large arm is arranged between the main part and leg of power electrode, by large arm, and the width by adjusting each large arm respectively is capable of the resistance and stray inductance of balanced each shunt circuit, improves the dynamic current equalizing performance of module；And two adjacent forearms share a large arm, easy to produce, processing.
Description
Technical field
The present invention relates to field of power electronics, and in particular to it is a kind of be equipped with can common electrode large arm power module.
Background technology
Power module is power power electronic device such as metal-oxide-semiconductor (metal-oxide semiconductor (MOS)), IGBT (insulated-gate type field effects
Answer transistor), the power switch modules that are combined and packaged by certain function of FRD (fast recovery diode), be mainly used for electricity
Power conversion under the various occasions such as electrical automobile, photovoltaic generation, wind-power electricity generation, industrial frequency conversion.
Each DBC (Direct Bonding Copper, insulate copper-clad base plate) power supply connects node in existing power module
Distance to electrode lead-out part is different, by taking a kind of three electrical level power modules as an example, as shown in Figure 1, being a kind of existing power mould
Block, including DBC1, output electrode 2, target 3, positive electrode 4 and negative electrode 5, wherein in six DBC1 on each DBC1
The distance of leg weld, that is, power connection points to the DBC electrode lead-out parts 6 connected is not all the same, so as to cause DBC electricity
Source tie point between electrode lead-out part 6 stray inductance and resistance have differences, further influence each work(in parallel of power module
The dynamic current equalizing performance of rate switch chip.
Invention content
Goal of the invention：In view of the above-mentioned problems, the present invention is intended to provide a kind of reducing being equipped with for resistance difference and stray inductance
The power module of large arm can be shared.
Technical solution：It is a kind of be equipped with can common electrode large arm power module, including DBC, output electrode and multiple power supplys
Electrode, the power electrode include lead division, main part, interconnecting piece and leg, and lead division is connected with main part, and main part passes through
Interconnecting piece is connected with leg, and leg is connected on DBC；The interconnecting piece of each power electrode include be connected with main part it is big
The one or both sides of arm, large arm connect forearm, and forearm is connected with leg.
Further, the multiple power electrode is positive electrode, negative electrode and target.
Further, the multiple power electrode is positive electrode and negative electrode.
Further, the main part, large arm, forearm and leg are integrated, and the main part is main perpendicular to DBC
The bottom in body portion is connected with multiple large arm for being parallel to DBC, and the width of each large arm is not all the same.
Further, forearm is extended in the side of the large arm, and the width of forearm is less than large arm, the width and leg of forearm
It is of same size.
Further, when the leg of the leg of target and positive electrode connects same DBC, the leg of the target
The large arm that the large arm connected is connect with the leg of the positive electrode is stacked on being parallel to the directions DBC；Work as target
Leg and the leg of negative electrode when connecting same DBC, large arm and the negative electrode that the leg of the target is connected connect
The large arm connect is stacked on being parallel to the directions DBC.
Further, the DBC is six, first time half-bridge DBC of respectively word arrangement, second time half-bridge DBC, the
Three times half-bridge DBC, half-bridge DBC on first, half-bridge DBC in half-bridge DBC and third on second.
Further, the target bottom of the main body be connected separately with the first large arm, the second large arm, third large arm and
The fourth-largest arm；First large arm is connected with the first independent forearm, and the first independent forearm is connected with first time half-bridge DBC；Second large arm
It is connected with the first shared forearm group, the first shared forearm group includes the first forearm and the second forearm, the first forearm and the second lower half
Bridge DBC is connected, and the second forearm is connected with half-bridge DBC under third；Third large arm is connected with the second shared forearm group, and second is shared small
Arm group includes third forearm and the 4th forearm, and third forearm is connected with half-bridge DBC on first, half-bridge on the 4th forearm and second
DBC is connected, and the fourth-largest arm is connected with the second independent forearm, and the second independent forearm is connected with half-bridge DBC in third.
Further, there are two large arm, one of large arm is connected with shared forearm for the main part connection of the positive electrode
Group, another large arm are connected with independent forearm；It includes two forearms to share forearm group, half-bridge on one of forearm and first
DBC is connected, another forearm is connected with half-bridge DBC on second, and independent forearm is connected with half-bridge DBC in third.
Further, there are two large arm, one of large arm is connected with independent forearm for the main part connection of the negative electrode,
Another large arm is connected with shared forearm group；Independent forearm is connected with first time half-bridge DBC, and it includes two small to share forearm group
Arm, one of forearm are connected with second time half-bridge DBC, another forearm is connected with half-bridge DBC under third.
Advantageous effect：The present invention is connected small by the way that large arm is arranged between the main part and leg of power electrode by large arm
Arm and leg, the width by adjusting each large arm respectively are capable of the resistance and stray inductance of balanced each shunt circuit, are improved
The dynamic current equalizing performance of module；And two adjacent forearms share a large arm, easy to produce, processing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of the present invention.
Specific implementation mode
Embodiment 1：It is a kind of be equipped with can common electrode large arm power module, this implementation is with the power module of three level
Example, the present invention can also be applied in the power module of two level, as shown in Fig. 2, including DBC1, output electrode 2 and multiple electricity
Source electrode, multiple power electrodes are target 3, positive electrode 4 and negative electrode 5；Multiple power supplys in the power module of two level
Electrode only includes positive electrode 4 and negative electrode 5；
Power electrode includes lead division 6, main part 7, interconnecting piece 8 and leg 9, and lead division 6 is connected with main part 7, main body
Portion 7 is connected by interconnecting piece 8 with leg 9, and leg 9 is connected on DBC1；Each the interconnecting piece 8 of the power electrode includes and master
The one or both sides of the connected large arm 81 in body portion 7, large arm 81 connect forearm 82, and forearm 82 is connected with leg 9.
Main part 7, large arm 81, forearm 82 and leg 9 are integrated, and the main part 7 is perpendicular to DBC1, main part 7
Bottom be connected with multiple large arm 81 for being parallel to DBC1, the width of each large arm 81 is not all the same；The side of large arm 81 extends
Go out forearm 82, the width of forearm 82 is less than large arm 81, and the width of forearm 82 is of same size with leg 9.
In the present embodiment DBC be six, a respectively word arrangement first time half-bridge DBC11, second time half-bridge DBC12,
Half-bridge DBC13 under third, half-bridge DBC14 on first, half-bridge DBC16 in half-bridge DBC15 and third on second.
3 main part of target, 7 bottom is connected separately with the first large arm, the second large arm, third large arm and the fourth-largest arm
811；First large arm is connected with the first independent forearm 821, and the first independent forearm 821 is connected with first time half-bridge DBC11；It is second largest
Arm is connected with the first shared forearm group, and the first shared forearm group includes the first forearm and the second forearm, under the first forearm and second
Half-bridge DBC12 is connected, and the second forearm is connected with half-bridge DBC13 under third；Third large arm is connected with the second shared forearm group, and second
It includes third forearm 822 and the 4th forearm 823 to share forearm group, and third forearm 822 is connected with half-bridge DBC14 on first, and the 4th
Forearm 823 is connected with half-bridge DBC15 on second, and the fourth-largest arm 811 is connected with the second independent forearm 824, the second independent forearm 824
It is connected with half-bridge DBC16 in third.
There are two large arm 81 for the connection of main part 7 of positive electrode 4, and one of large arm 81 is connected with shared forearm group, another
A large arm 81 is connected with independent forearm 82；It includes two forearms 82 to share forearm group, half-bridge on one of forearm 82 and first
DBC14 is connected, another forearm 82 is connected with half-bridge DBC15 on second, and independent forearm 82 is connected with half-bridge DBC16 in third.
There are two large arm 81 for the connection of main part 7 of negative electrode 5, and one of large arm 81 is connected with independent forearm 82, another
A large arm 81 is connected with shared forearm group；Independent forearm 82 is connected with first time half-bridge DBC11, and it includes two small to share forearm group
Arm 82, one of forearm 82 are connected with second time half-bridge DBC12, another forearm 82 is connected with half-bridge DBC13 under third.
It is concrete structure selected sharing method of the present embodiment according to power module above, the present invention can also basis
The other shared large arm modes of different structure selection of object are embodied.
When the leg 9 of target 3 connect same DBC1 with the leg 9 of positive electrode 4,9 institute of leg of the target 3
The large arm 81 that the large arm 81 of connection is connect with the leg 9 of the positive electrode 4 is stacked on being parallel to the directions DBC1；Work as centre
When the leg 9 of electrode 3 connect same DBC1 with the leg 9 of negative electrode 5, large arm 81 that the leg 9 of the target 3 is connected with
The large arm 81 that the negative electrode 5 is connected is stacked on being parallel to the directions DBC1.
In the description of the present invention, it is to be understood that, term "horizontal", "vertical", "upper", "lower", " width ", " just
The orientation or positional relationship of the instructions such as face ", " back side ", " bottom " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, specific side must be had by not indicating or implying the indicated equipment or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
The present invention between the main part and leg of power electrode by being arranged large arm, and two adjacent forearms share
One large arm improves the dynamic current equalizing performance of module, and easy to produce, processing.It the above is only the preferred implementation side of the present invention
Formula, it should be pointed out that：For those skilled in the art, without departing from the principle of the present invention, may be used also
To make several improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. it is a kind of be equipped with can common electrode large arm power module, including DBC (1), output electrode (2) and multiple power electrodes,
Multiple power electrodes are positive electrode (4), negative electrode (5) and target (3), and the power electrode includes lead division (6), main body
Portion (7), interconnecting piece (8) and leg (9), lead division (6) are connected with main part (7), and main part (7) passes through interconnecting piece (8) and weldering
Foot (9) is connected, and leg (9) is connected on DBC (1)；It is characterized in that, the interconnecting piece (8) of each power electrode include with
The connected large arm (81) of main part (7), the one or both sides connection forearm (82) of large arm (81), forearm (82) and leg (9) phase
Even；
The DBC (1) is six, first time half-bridge DBC (11) of respectively word arrangement, second time half-bridge DBC (12), third
Lower half-bridge DBC (13), half-bridge DBC (14) on first, half-bridge DBC (16) in half-bridge DBC (15) and third on second；
Target (3) main part (7) bottom is connected separately with the first large arm, the second large arm, third large arm and the fourth-largest
Arm (811)；First large arm is connected with the first independent forearm (821), the first independent forearm (821) and first time half-bridge DBC (11)
It is connected；Second large arm is connected with the first shared forearm group, and the first shared forearm group includes the first forearm and the second forearm, and first is small
Arm is connected with second time half-bridge DBC (12), and the second forearm is connected with half-bridge DBC (13) under third；Third large arm is connected with second
Forearm group is shared, the second shared forearm group includes third forearm (822) and the 4th forearm (823), third forearm (822) and first
Upper half-bridge DBC (14) is connected, and the 4th forearm (823) is connected with half-bridge DBC (15) on second, and the fourth-largest arm (811) is connected with the
Two independent forearms (824), the second independent forearm (824) are connected with half-bridge DBC (16) in third.
2. it is according to claim 1 it is a kind of be equipped with can common electrode large arm power module, which is characterized in that the main body
Portion (7), large arm (81), forearm (82) and leg (9) are integrated, and the main part (7) is perpendicular to DBC (1), main part
(7) bottom is connected with multiple large arm (81) for being parallel to (1) DBC, and the width of each large arm (81) is not all the same.
3. it is according to claim 1 it is a kind of be equipped with can common electrode large arm power module, which is characterized in that the large arm
(81) forearm (82) is extended in side, and the width of forearm (82) is less than large arm (81), width and the leg (9) of forearm (82)
It is of same size.
4. it is according to claim 1 it is a kind of be equipped with can common electrode large arm power module, which is characterized in that when intermediate electricity
When the leg (9) of pole (3) connect (1) same DBC with the leg (9) of positive electrode (4), the leg (9) of the target (3) connects
The large arm (81) that the large arm (81) connect is connect with the leg (9) of the positive electrode (4) is laminated on being parallel to DBC (1) direction and sets
It sets；When the leg (9) of target (3) connect (1) same DBC with the leg (9) of negative electrode (5), the target (3)
The large arm (81) that the large arm (81) that leg (9) is connected is connect with the negative electrode (5) is laminated on being parallel to DBC (1) direction
Setting.
5. it is according to claim 1 it is a kind of be equipped with can common electrode large arm power module, which is characterized in that the positive electricity
Main part (7) connection of pole (4) is there are two large arm (81), and one of large arm (81) is connected with shared forearm group, another is big
Arm (81) is connected with independent forearm (82)；It includes two forearms (82) to share forearm group, on one of forearm (82) and first
Half-bridge DBC (14) is connected, another forearm (82) is connected with half-bridge DBC (15) on second, independent forearm (82) and third upper half
Bridge DBC (16) is connected.
6. it is according to claim 1 it is a kind of be equipped with can common electrode large arm power module, which is characterized in that the negative electricity
There are two large arm (81), one of large arm (81) is connected with independent forearm (82) for main part (7) connection of pole (5), another
Large arm (81) is connected with shared forearm group；Independent forearm (82) is connected with first time half-bridge DBC (11), and it includes two to share forearm group
A forearm (82), one of forearm (82) are connected with second time half-bridge DBC (12), another forearm (82) and half-bridge under third
DBC (13) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284999.6A CN105810653B (en) | 2016-05-03 | 2016-05-03 | It is a kind of be equipped with can common electrode large arm power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284999.6A CN105810653B (en) | 2016-05-03 | 2016-05-03 | It is a kind of be equipped with can common electrode large arm power module |
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| Publication Number | Publication Date |
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| CN105810653A CN105810653A (en) | 2016-07-27 |
| CN105810653B true CN105810653B (en) | 2018-09-28 |
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| CN107531744B (en) | 2016-03-31 | 2020-03-13 | 江苏恒瑞医药股份有限公司 | Novel crystal form of obeticholic acid and preparation method thereof |
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| US6434008B1 (en) * | 1994-10-07 | 2002-08-13 | Hitachi, Ltd. | Semiconductor device |
| CN102110680A (en) * | 2009-10-30 | 2011-06-29 | 通用电气公司 | Power module assembly with reduced inductance |
| CN204130523U (en) * | 2014-07-08 | 2015-01-28 | 南京银茂微电子制造有限公司 | A kind of power model lead terminal |
| CN104838576A (en) * | 2013-02-06 | 2015-08-12 | 富士电机株式会社 | Semiconductor device |
| CN103563234B (en) * | 2011-05-31 | 2015-09-30 | 日立汽车系统株式会社 | power conversion device |
| CN105514072A (en) * | 2016-01-29 | 2016-04-20 | 南京银茂微电子制造有限公司 | Power module low-inductance lead terminal |
| CN205723517U (en) * | 2016-05-03 | 2016-11-23 | 扬州国扬电子有限公司 | A kind of being provided with can the power model of common electrode large arm |
-
2016
- 2016-05-03 CN CN201610284999.6A patent/CN105810653B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6434008B1 (en) * | 1994-10-07 | 2002-08-13 | Hitachi, Ltd. | Semiconductor device |
| CN102110680A (en) * | 2009-10-30 | 2011-06-29 | 通用电气公司 | Power module assembly with reduced inductance |
| CN103563234B (en) * | 2011-05-31 | 2015-09-30 | 日立汽车系统株式会社 | power conversion device |
| CN104838576A (en) * | 2013-02-06 | 2015-08-12 | 富士电机株式会社 | Semiconductor device |
| CN204130523U (en) * | 2014-07-08 | 2015-01-28 | 南京银茂微电子制造有限公司 | A kind of power model lead terminal |
| CN105514072A (en) * | 2016-01-29 | 2016-04-20 | 南京银茂微电子制造有限公司 | Power module low-inductance lead terminal |
| CN205723517U (en) * | 2016-05-03 | 2016-11-23 | 扬州国扬电子有限公司 | A kind of being provided with can the power model of common electrode large arm |
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