TWI384509B - 具有改進的漏電感之耦合電感器 - Google Patents
具有改進的漏電感之耦合電感器 Download PDFInfo
- Publication number
- TWI384509B TWI384509B TW099125812A TW99125812A TWI384509B TW I384509 B TWI384509 B TW I384509B TW 099125812 A TW099125812 A TW 099125812A TW 99125812 A TW99125812 A TW 99125812A TW I384509 B TWI384509 B TW I384509B
- Authority
- TW
- Taiwan
- Prior art keywords
- magnetic
- coupled inductor
- terminal
- trench
- winding
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 151
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 239000000696 magnetic material Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 230000027311 M phase Effects 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 239000000306 component Substances 0.000 description 77
- 239000011162 core material Substances 0.000 description 46
- 239000011295 pitch Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 230000005669 field effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F2038/006—Adaptations of transformers or inductances for specific applications or functions matrix transformer consisting of several interconnected individual transformers working as a whole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- 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
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC 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
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC 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
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of DC power input into DC power output without intermediate conversion into AC 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/538,707 US8102233B2 (en) | 2009-08-10 | 2009-08-10 | Coupled inductor with improved leakage inductance control |
| US12/830,849 US8237530B2 (en) | 2009-08-10 | 2010-07-06 | Coupled inductor with improved leakage inductance control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201126550A TW201126550A (en) | 2011-08-01 |
| TWI384509B true TWI384509B (zh) | 2013-02-01 |
Family
ID=43416477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW099125812A TWI384509B (zh) | 2009-08-10 | 2010-08-03 | 具有改進的漏電感之耦合電感器 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8237530B2 (https=) |
| JP (1) | JP5698236B2 (https=) |
| CN (1) | CN102576593B (https=) |
| TW (1) | TWI384509B (https=) |
| WO (1) | WO2011019712A1 (https=) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7898379B1 (en) | 2002-12-13 | 2011-03-01 | Volterra Semiconductor Corporation | Method for making magnetic components with N-phase coupling, and related inductor structures |
| US8299885B2 (en) | 2002-12-13 | 2012-10-30 | Volterra Semiconductor Corporation | Method for making magnetic components with M-phase coupling, and related inductor structures |
| US8674802B2 (en) | 2009-12-21 | 2014-03-18 | Volterra Semiconductor Corporation | Multi-turn inductors |
| US7994888B2 (en) * | 2009-12-21 | 2011-08-09 | Volterra Semiconductor Corporation | Multi-turn inductors |
| US8174348B2 (en) | 2009-12-21 | 2012-05-08 | Volterra Semiconductor Corporation | Two-phase coupled inductors which promote improved printed circuit board layout |
| US8716991B1 (en) | 2011-02-28 | 2014-05-06 | Volterra Semiconductor Corporation | Switching power converters including air core coupled inductors |
| US9767947B1 (en) | 2011-03-02 | 2017-09-19 | Volterra Semiconductor LLC | Coupled inductors enabling increased switching stage pitch |
| US8772967B1 (en) | 2011-03-04 | 2014-07-08 | Volterra Semiconductor Corporation | Multistage and multiple-output DC-DC converters having coupled inductors |
| CN102314998B (zh) * | 2011-05-16 | 2013-06-26 | 台达电子企业管理（上海）有限公司 | 集成多相耦合电感器及产生电感的方法 |
| DE102011082045A1 (de) * | 2011-09-02 | 2013-03-07 | Schmidhauser Ag | Drossel und zugehöriges Herstellungsverfahren |
| US9373438B1 (en) | 2011-11-22 | 2016-06-21 | Volterra Semiconductor LLC | Coupled inductor arrays and associated methods |
| US10128035B2 (en) | 2011-11-22 | 2018-11-13 | Volterra Semiconductor LLC | Coupled inductor arrays and associated methods |
| US9263177B1 (en) | 2012-03-19 | 2016-02-16 | Volterra Semiconductor LLC | Pin inductors and associated systems and methods |
| US8975995B1 (en) | 2012-08-29 | 2015-03-10 | Volterra Semiconductor Corporation | Coupled inductors with leakage plates, and associated systems and methods |
| US9281739B2 (en) | 2012-08-29 | 2016-03-08 | Volterra Semiconductor LLC | Bridge magnetic devices and associated systems and methods |
| US9691538B1 (en) | 2012-08-30 | 2017-06-27 | Volterra Semiconductor LLC | Magnetic devices for power converters with light load enhancers |
| US9083332B2 (en) | 2012-12-05 | 2015-07-14 | Volterra Semiconductor Corporation | Integrated circuits including magnetic devices |
| US9287038B2 (en) | 2013-03-13 | 2016-03-15 | Volterra Semiconductor LLC | Coupled inductors with non-uniform winding terminal distributions |
| US9336941B1 (en) | 2013-10-30 | 2016-05-10 | Volterra Semiconductor LLC | Multi-row coupled inductors and associated systems and methods |
| US9374001B1 (en) | 2015-02-03 | 2016-06-21 | General Electric Company | Improving load transient response by adjusting reference current in isolated power converters |
| US20160247627A1 (en) | 2015-02-24 | 2016-08-25 | Maxim Integrated Products, Inc. | Low-profile coupled inductors with leakage control |
| CN107768122B (zh) * | 2016-08-19 | 2022-02-22 | 马克西姆综合产品公司 | 用于低电磁干扰的耦合感应器 |
| TWI625742B (zh) * | 2016-11-16 | 2018-06-01 | 邱煌仁 | 三相耦合電感 |
| TWI625744B (zh) * | 2016-11-16 | 2018-06-01 | 邱煌仁 | 三相耦合電感 |
| JP6930433B2 (ja) * | 2018-01-10 | 2021-09-01 | Tdk株式会社 | インダクタ素子 |
| JP6991178B2 (ja) * | 2019-05-24 | 2022-01-12 | 株式会社Soken | 電力変換装置 |
| US12342450B2 (en) | 2020-01-08 | 2025-06-24 | Delta Electronics (Shanghai) Co., Ltd | Power supply apparatus, load and electronic device |
| CN113098234B (zh) | 2020-01-08 | 2022-11-01 | 台达电子企业管理（上海）有限公司 | 供电系统 |
| CN113096933B (zh) | 2020-01-08 | 2022-04-22 | 台达电子企业管理（上海）有限公司 | 多相耦合电感、多相耦合电感阵列及两相反耦合电感 |
| US12610453B2 (en) | 2020-01-08 | 2026-04-21 | Delta Electronics (Shanghai) Co., Ltd. | Vertical power supply system and manufacturing method of connection board |
| CN113380516B (zh) | 2020-03-10 | 2024-08-30 | 台达电子企业管理（上海）有限公司 | 耦合电感及功率模块 |
| CN112216472A (zh) * | 2020-09-07 | 2021-01-12 | 深圳顺络电子股份有限公司 | 一种电感排及其制作方法 |
| US11869695B2 (en) | 2020-11-13 | 2024-01-09 | Maxim Integrated Products, Inc. | Switching power converter assemblies including coupled inductors, and associated methods |
| US12057767B2 (en) | 2021-05-12 | 2024-08-06 | Maxim Integrated Products, Inc. | Switching power converters including injection stages, and associated methods |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM300858U (en) * | 2006-05-17 | 2006-11-11 | Taiwan Sumida Electronics Inc | Transformer with adjustable leakage inductance |
Family Cites Families (96)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2212543A (en) | 1938-06-20 | 1940-08-27 | Hartford Nat Bank & Trust Co | Polyphase choke coil |
| DE922423C (de) | 1942-08-21 | 1955-01-17 | Aeg | Transformator oder Drosselspule mit im oberen Teil stark abgeflachter Strom-Spannungs-Kennlinie |
| US3448421A (en) * | 1967-07-31 | 1969-06-03 | Massachusetts Inst Technology | Shielded magnetic core |
| DE2426270C3 (de) | 1974-05-29 | 1978-04-27 | Institut Dr. Friedrich Foerster Pruefgeraetebau, 7410 Reutlingen | WirbelstromprUfspulenanordnung |
| US3878495A (en) | 1974-07-02 | 1975-04-15 | Westinghouse Electric Corp | Magnetic core for electrical inductive apparatus |
| DE2653568A1 (de) | 1976-11-25 | 1978-06-01 | Vacuumschmelze Gmbh | Geschichteter oder gewickelter magnetkern |
| EP0012629A1 (en) | 1978-12-19 | 1980-06-25 | Fanuc Ltd. | Electrical reactors |
| US4488136A (en) | 1981-05-18 | 1984-12-11 | Westinghouse Electric Corp. | Combination transformer with common core portions |
| DE3123006A1 (de) | 1981-06-10 | 1983-01-05 | Ernst Roederstein Spezialfabrik für Kondensatoren GmbH, 8300 Landshut | Transformator |
| US4455545A (en) | 1982-11-05 | 1984-06-19 | Sperry Corporation | High frequency output inductor for inverter power supply |
| US4531085A (en) | 1983-06-13 | 1985-07-23 | Power Distribution Inc. | Polyphase line voltage regulator |
| JPS6015908A (ja) | 1983-07-06 | 1985-01-26 | Hitachi Metals Ltd | 磁心 |
| NL8303994A (nl) | 1983-11-10 | 1985-06-03 | Nedap Nv | Strooiveldarme lektransformator. |
| FR2591024B1 (fr) | 1985-12-04 | 1988-01-08 | Orega Electro Mecanique | Circuit magnetique a faible champ magnetique rayonne, en particulier pour un transformateur haute tension alimentant un tube cathodique |
| DE3703561A1 (de) | 1987-02-06 | 1988-08-18 | Philips Patentverwaltung | Induktives bauelement |
| US4800479A (en) | 1988-03-31 | 1989-01-24 | Prime Computer, Inc. | High frequency power converter having compact output transformer, rectifier and choke |
| JPH0779063B2 (ja) | 1988-08-15 | 1995-08-23 | 三菱電機株式会社 | 位相調整変圧器 |
| US5123989A (en) | 1989-06-14 | 1992-06-23 | Toda Kogyo Corporation | Resin-bonding method |
| US5182535A (en) | 1989-12-19 | 1993-01-26 | Dhyanchand P John | Summing transformer core for star-delta inverter having a separate secondary winding for each primary winding |
| US5177460A (en) | 1990-01-04 | 1993-01-05 | Dhyanchand P John | Summing transformer for star-delta inverter having a single secondary winding for each group of primary windings |
| GB2252208B (en) | 1991-01-24 | 1995-05-03 | Burr Brown Corp | Hybrid integrated circuit planar transformer |
| US5764500A (en) | 1991-05-28 | 1998-06-09 | Northrop Grumman Corporation | Switching power supply |
| US5469334A (en) | 1991-09-09 | 1995-11-21 | Power Integrations, Inc. | Plastic quad-packaged switched-mode integrated circuit with integrated transformer windings and mouldings for transformer core pieces |
| US5161098A (en) | 1991-09-09 | 1992-11-03 | Power Integrations, Inc. | High frequency switched mode converter |
| US6578253B1 (en) | 1991-10-04 | 2003-06-17 | Fmtt, Inc. | Transformer and inductor modules having directly bonded terminals and heat-sink fins |
| US5225971A (en) | 1992-01-08 | 1993-07-06 | International Business Machines Corporation | Three coil bridge transformer |
| CA2096358A1 (en) | 1992-07-02 | 1994-01-03 | Apurba Roy | Partial gap magnetic core apparatus |
| US5565837A (en) | 1992-11-06 | 1996-10-15 | Nidec America Corporation | Low profile printed circuit board |
| US5436818A (en) | 1994-02-14 | 1995-07-25 | Barthold; Fred O. | Full wave buck-boost power converter with buck power converter properties |
| US5455552A (en) | 1994-05-03 | 1995-10-03 | Steward, Inc. | Ferrite common mode choke adapted for circuit board mounting |
| US5939966A (en) | 1994-06-02 | 1999-08-17 | Ricoh Company, Ltd. | Inductor, transformer, and manufacturing method thereof |
| US5594402A (en) | 1995-06-02 | 1997-01-14 | International Power Group, Inc. | High voltage isolating transformer module |
| CA2180992C (en) | 1995-07-18 | 1999-05-18 | Timothy M. Shafer | High current, low profile inductor and method for making same |
| US5619400A (en) | 1995-07-18 | 1997-04-08 | Lucent Technologies Inc. | Magnetic core structures and construction techniques therefor |
| US7034645B2 (en) | 1999-03-16 | 2006-04-25 | Vishay Dale Electronics, Inc. | Inductor coil and method for making same |
| US6198375B1 (en) | 1999-03-16 | 2001-03-06 | Vishay Dale Electronics, Inc. | Inductor coil structure |
| US5631822A (en) | 1995-08-24 | 1997-05-20 | Interpoint Corporation | Integrated planar magnetics and connector |
| US6377155B1 (en) | 1995-10-10 | 2002-04-23 | Georgia Tech Research Corp. | Microfabricated electromagnetic system and method for forming electromagnets in microfabricated devices |
| US6018468A (en) | 1997-04-08 | 2000-01-25 | Eos Corporation | Multi-resonant DC-to-DC converter |
| JPH11144983A (ja) | 1997-11-07 | 1999-05-28 | Matsushita Electric Ind Co Ltd | チョークコイル及びこれを用いた整流平滑回路 |
| US6114932A (en) | 1997-12-12 | 2000-09-05 | Telefonaktiebolaget Lm Ericsson | Inductive component and inductive component assembly |
| TW402725B (en) | 1998-01-06 | 2000-08-21 | Alps Electric Co Ltd | Core for use in inductive element, transformer and inductor |
| TW403917B (en) | 1998-05-08 | 2000-09-01 | Koninkl Philips Electronics Nv | Inductive element |
| JP3366916B2 (ja) | 1999-06-03 | 2003-01-14 | スミダコーポレーション株式会社 | インダクタンス素子 |
| US6323626B1 (en) | 2000-02-14 | 2001-11-27 | General Motors Corporation | DC/DC converter for a fuel cell having a non-linear inductor |
| US6348848B1 (en) | 2000-05-04 | 2002-02-19 | Edward Herbert | Transformer having fractional turn windings |
| US6420953B1 (en) | 2000-05-19 | 2002-07-16 | Pulse Engineering. Inc. | Multi-layer, multi-functioning printed circuit board |
| JP3821355B2 (ja) | 2000-08-09 | 2006-09-13 | Ｎｅｃトーキン株式会社 | チョークコイルおよびその製造方法 |
| US20020067234A1 (en) | 2000-12-01 | 2002-06-06 | Samuel Kung | Compact surface-mountable inductors |
| US6784644B2 (en) | 2001-02-22 | 2004-08-31 | Virginia Tech Intellectual Properties, Inc. | Multiphase clamp coupled-buck converter and magnetic integration |
| US6362986B1 (en) | 2001-03-22 | 2002-03-26 | Volterra, Inc. | Voltage converter with coupled inductive windings, and associated methods |
| FR2824203B1 (fr) | 2001-04-27 | 2003-06-13 | Agence Spatiale Europeenne | Convertisseur d'alimentation electrique |
| EP1405322B1 (de) | 2001-07-11 | 2006-09-13 | VOGT electronic AG | Schwingdrossel |
| US6538909B2 (en) | 2001-12-13 | 2003-03-25 | Enova Systems | Universal high efficiency power converter |
| US6714891B2 (en) | 2001-12-14 | 2004-03-30 | Intel Corporation | Method and apparatus for thermal management of a power supply to a high performance processor in a computer system |
| US6714428B2 (en) | 2002-03-26 | 2004-03-30 | Delta Electronics Inc. | Combined transformer-inductor device for application to DC-to-DC converter with synchronous rectifier |
| US7280026B2 (en) | 2002-04-18 | 2007-10-09 | Coldwatt, Inc. | Extended E matrix integrated magnetics (MIM) core |
| US6906601B2 (en) | 2002-07-22 | 2005-06-14 | Rf Tune Inc. | Variable phase shifter and a system using variable phase shifter |
| TW553465U (en) | 2002-07-25 | 2003-09-11 | Micro Star Int Co Ltd | Integrated inductor |
| US6774758B2 (en) | 2002-09-11 | 2004-08-10 | Kalyan P. Gokhale | Low harmonic rectifier circuit |
| AU2002341687A1 (en) * | 2002-09-17 | 2004-04-08 | Pulse Engineering, Inc. | Controlled inductance device and method |
| US6737951B1 (en) | 2002-11-01 | 2004-05-18 | Metglas, Inc. | Bulk amorphous metal inductive device |
| US7498920B2 (en) | 2002-12-13 | 2009-03-03 | Volterra Semiconductor Corporation | Method for making magnetic components with N-phase coupling, and related inductor structures |
| US7965165B2 (en) | 2002-12-13 | 2011-06-21 | Volterra Semiconductor Corporation | Method for making magnetic components with M-phase coupling, and related inductor structures |
| US7352269B2 (en) | 2002-12-13 | 2008-04-01 | Volterra Semiconductor Corporation | Method for making magnetic components with N-phase coupling, and related inductor structures |
| US6867678B2 (en) | 2003-01-28 | 2005-03-15 | Entrust Power Co., Ltd. | Transformer structure |
| US7280022B2 (en) | 2003-06-09 | 2007-10-09 | Minebea Co., Ltd. | Inverter transformer |
| US7307502B2 (en) | 2003-07-16 | 2007-12-11 | Marvell World Trade Ltd. | Power inductor with reduced DC current saturation |
| FI115805B (fi) | 2003-09-23 | 2005-07-15 | Abb Oy | Kuristinjärjestely |
| GB0325067D0 (en) | 2003-10-27 | 2003-12-03 | Goodrich Actuation Systems Ltd | Multi-pulse converter circuits |
| US7187263B2 (en) | 2003-11-26 | 2007-03-06 | Vlt, Inc. | Printed circuit transformer |
| US6980077B1 (en) | 2004-08-19 | 2005-12-27 | Coldwatt, Inc. | Composite magnetic core for switch-mode power converters |
| US6979980B1 (en) | 2004-08-24 | 2005-12-27 | Advanced Energy Industries, Inc. | Soft switching interleaved power converter |
| US7667565B2 (en) | 2004-09-08 | 2010-02-23 | Cyntec Co., Ltd. | Current measurement using inductor coil with compact configuration and low TCR alloys |
| JP2006120887A (ja) | 2004-10-22 | 2006-05-11 | Sumida Corporation | 磁性素子 |
| US7239530B1 (en) | 2005-02-17 | 2007-07-03 | Volterra Semiconductor Corporation | Apparatus for isolated switching power supply with coupled output inductors |
| US7876191B2 (en) | 2005-02-23 | 2011-01-25 | Flextronics International Usa, Inc. | Power converter employing a tapped inductor and integrated magnetics and method of operating the same |
| US7176662B2 (en) | 2005-02-23 | 2007-02-13 | Coldwatt, Inc. | Power converter employing a tapped inductor and integrated magnetics and method of operating the same |
| US7272024B2 (en) | 2005-06-08 | 2007-09-18 | Tamura Corporation | Synchronized rectification circuit and switching power supply device |
| US20070097571A1 (en) | 2005-07-07 | 2007-05-03 | Intel Corporation | Multiphase voltage regulation using paralleled inductive circuits having magnetically coupled inductors |
| US7199695B1 (en) | 2005-10-25 | 2007-04-03 | Virginia Tech Intellectual Properties, Inc. | Multiphase voltage regulator having coupled inductors with reduced winding resistance |
| US7248139B1 (en) | 2006-01-30 | 2007-07-24 | Nemic-Lambda Ltd. | High-current electrical coil construction |
| US7233132B1 (en) | 2006-01-30 | 2007-06-19 | Virginia Tech Intellectual Properties, Inc. | Current sensing in multiple coupled inductors by time constant matching to leakage inductance |
| US7649434B2 (en) | 2006-01-31 | 2010-01-19 | Virginia Tech Intellectual Properties, Inc. | Multiphase voltage regulator having coupled inductors with reduced winding resistance |
| US7423894B2 (en) | 2006-03-03 | 2008-09-09 | Advanced Energy Industries, Inc. | Interleaved soft switching bridge power converter |
| EP1835604A1 (en) | 2006-03-16 | 2007-09-19 | STMicroelectronics S.r.l. | Magnetic core for a coupled multi coil filter inductor |
| JP2007299915A (ja) * | 2006-04-28 | 2007-11-15 | Sumida Corporation | 磁性素子 |
| US7301430B1 (en) | 2006-05-16 | 2007-11-27 | Lien Chang Electronic Enterprise Co., Ltd. | High voltage transformer for controlling inductance leakage |
| JP4791270B2 (ja) * | 2006-06-28 | 2011-10-12 | スミダコーポレーション株式会社 | 磁性素子 |
| JP4279858B2 (ja) * | 2006-07-26 | 2009-06-17 | スミダコーポレーション株式会社 | 磁性素子 |
| TW200830337A (en) | 2007-01-11 | 2008-07-16 | Delta Electronics Inc | Multi-lamps driving device and transformer thereof |
| KR20080070377A (ko) | 2007-01-26 | 2008-07-30 | 삼성전자주식회사 | 인버터 트랜스포머 및 이를 구비한 전기/전자기기용 인버터파워 모듈 |
| US7791321B2 (en) | 2007-02-23 | 2010-09-07 | Virginia Tech Intellectual Properties, Inc. | Coupled-inductor multi-phase buck converters |
| US8294438B2 (en) | 2007-06-30 | 2012-10-23 | Intel Corporation | Circuit and method for phase shedding with reverse coupled inductor |
| US7525406B1 (en) | 2008-01-17 | 2009-04-28 | Well-Mag Electronic Ltd. | Multiple coupling and non-coupling inductor |
| US8836463B2 (en) | 2008-03-14 | 2014-09-16 | Volterra Semiconductor Corporation | Voltage converter inductor having a nonlinear inductance value |
-
2010
- 2010-07-06 US US12/830,849 patent/US8237530B2/en active Active
- 2010-08-03 TW TW099125812A patent/TWI384509B/zh active
- 2010-08-10 WO PCT/US2010/045013 patent/WO2011019712A1/en not_active Ceased
- 2010-08-10 JP JP2012524784A patent/JP5698236B2/ja active Active
- 2010-08-10 CN CN201080045400.4A patent/CN102576593B/zh active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM300858U (en) * | 2006-05-17 | 2006-11-11 | Taiwan Sumida Electronics Inc | Transformer with adjustable leakage inductance |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110032068A1 (en) | 2011-02-10 |
| CN102576593B (zh) | 2014-12-03 |
| JP2013502074A (ja) | 2013-01-17 |
| TW201126550A (en) | 2011-08-01 |
| JP5698236B2 (ja) | 2015-04-08 |
| US8237530B2 (en) | 2012-08-07 |
| CN102576593A (zh) | 2012-07-11 |
| WO2011019712A1 (en) | 2011-02-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI384509B (zh) | 具有改進的漏電感之耦合電感器 | |
| US8102233B2 (en) | Coupled inductor with improved leakage inductance control | |
| US9019063B2 (en) | Coupled inductor with improved leakage inductance control | |
| CN102007553B (zh) | M相耦合的磁元件以及相关的电感结构 | |
| US10886046B2 (en) | Integrated magnetic component and switched mode power converter | |
| US8416043B2 (en) | Powder core material coupled inductors and associated methods | |
| CN103081325B (zh) | 利于改进的印刷电路板布局的两相耦合电感器 | |
| US9991043B2 (en) | Integrated magnetic assemblies and methods of assembling same | |
| US20120062207A1 (en) | Powder Core Material Coupled Inductors And Associated Methods | |
| US20110286143A1 (en) | Powder Core Material Coupled Inductors And Associated Methods | |
| US20150235754A1 (en) | Ferrite inductors for low-height and associated methods | |
| CN106935384A (zh) | 耦合电感器阵列及相关方法 | |
| WO2016202949A1 (en) | A magnetic device | |
| CN119626705B (zh) | 四相异名端耦合磁集成电感 | |
| KR101251842B1 (ko) | 변압기 | |
| US20250046512A1 (en) | Integrated transformer-inductor and emi shield | |
| CN113674962A (zh) | 一种四相对称反向耦合磁集成电感 |