WO2011149954A3 - Two-phase coupled inductors which promote improved printed circuit board layout - Google Patents
Two-phase coupled inductors which promote improved printed circuit board layout Download PDFInfo
- Publication number
- WO2011149954A3 WO2011149954A3 PCT/US2011/037762 US2011037762W WO2011149954A3 WO 2011149954 A3 WO2011149954 A3 WO 2011149954A3 US 2011037762 W US2011037762 W US 2011037762W WO 2011149954 A3 WO2011149954 A3 WO 2011149954A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit board
- printed circuit
- phase coupled
- coupled inductors
- board layout
- Prior art date
Links
- 229910000679 solder Inorganic materials 0.000 abstract 2
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
-
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- 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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
- H02M3/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11728443.0A EP2577691B1 (en) | 2010-05-24 | 2011-05-24 | Two-phase coupled inductors which promote improved printed circuit board layout |
JP2013512167A JP2013528321A (en) | 2010-05-24 | 2011-05-24 | Two-phase coupled inductor driving improved printed circuit board layout |
CN201180034408.5A CN103081325B (en) | 2010-05-24 | 2011-05-24 | It is beneficial to the two-way coupling inducer of the printed circuit board layout improved |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/786,316 US8174348B2 (en) | 2009-12-21 | 2010-05-24 | Two-phase coupled inductors which promote improved printed circuit board layout |
US12/786,316 | 2010-05-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011149954A2 WO2011149954A2 (en) | 2011-12-01 |
WO2011149954A3 true WO2011149954A3 (en) | 2013-03-14 |
Family
ID=44627612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2011/037762 WO2011149954A2 (en) | 2010-05-24 | 2011-05-24 | Two-phase coupled inductors which promote improved printed circuit board layout |
Country Status (6)
Country | Link |
---|---|
US (2) | US8174348B2 (en) |
EP (1) | EP2577691B1 (en) |
JP (1) | JP2013528321A (en) |
CN (1) | CN103081325B (en) |
TW (1) | TW201207869A (en) |
WO (1) | WO2011149954A2 (en) |
Families Citing this family (38)
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 |
US20090309687A1 (en) * | 2008-06-11 | 2009-12-17 | Aleksandar Aleksov | Method of manufacturing an inductor for a microelectronic device, method of manufacturing a substrate containing such an inductor, and substrate manufactured thereby, |
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 |
US9106130B2 (en) * | 2012-07-16 | 2015-08-11 | Power Systems Technologies, Inc. | Magnetic device and power converter employing the same |
US9281739B2 (en) | 2012-08-29 | 2016-03-08 | Volterra Semiconductor LLC | Bridge magnetic devices 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 |
US9691538B1 (en) | 2012-08-30 | 2017-06-27 | Volterra Semiconductor LLC | Magnetic devices for power converters with light load enhancers |
JP6167294B2 (en) * | 2012-10-10 | 2017-07-26 | パナソニックIpマネジメント株式会社 | Coil parts |
US9083332B2 (en) | 2012-12-05 | 2015-07-14 | Volterra Semiconductor Corporation | Integrated circuits including magnetic devices |
TWI459414B (en) * | 2012-12-19 | 2014-11-01 | Ind Tech Res Inst | Coupling inductor |
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 |
CN105097227A (en) * | 2014-05-19 | 2015-11-25 | 联磁香港股份有限公司 | Assembled stacked inductor device |
US20160247627A1 (en) | 2015-02-24 | 2016-08-25 | Maxim Integrated Products, Inc. | Low-profile coupled inductors with leakage control |
US20160261179A1 (en) * | 2015-03-02 | 2016-09-08 | Ati Technologies Ulc | Methods and apparatus including integrated conducting and inductive element for providing current |
US10333407B2 (en) * | 2015-05-06 | 2019-06-25 | Infineon Technologies Austria Ag | Power stage packages of a multi-phase DC-DC converter under a coupled inductor |
US10855178B2 (en) | 2015-05-29 | 2020-12-01 | Infineon Technologies Austria Ag | Discrete power stage transistor dies of a DC-DC converter under an inductor |
CN108369850B (en) * | 2015-12-22 | 2021-03-02 | 伊顿智能动力有限公司 | Integrated multiphase power inductor with uncoupled windings and method of manufacture |
US10431373B2 (en) | 2016-09-06 | 2019-10-01 | Würth Elektronik eiSos Gmbh & Co. KG | Coupled inductor |
CN108809079B (en) | 2017-05-05 | 2019-11-05 | 台达电子企业管理(上海)有限公司 | Power inverter, inductance element and inductance cut off control method |
US10505456B1 (en) * | 2018-09-07 | 2019-12-10 | International Business Machines Corporation | Fully integrated multi-phase buck converter with coupled air core inductors |
US11158451B2 (en) | 2018-10-09 | 2021-10-26 | Delta Electronics, Inc. | Power module |
EP3637446A1 (en) * | 2018-10-09 | 2020-04-15 | Delta Electronics, Inc. | Voltage regulator module |
EP3637445A1 (en) * | 2018-10-09 | 2020-04-15 | Delta Electronics, Inc. | Voltage regulator module |
CN111315121B (en) * | 2018-12-12 | 2022-04-05 | 台达电子工业股份有限公司 | Voltage regulation module |
CN111313655B (en) * | 2018-12-12 | 2021-11-02 | 台达电子工业股份有限公司 | Voltage regulation module |
US11094455B2 (en) * | 2018-12-27 | 2021-08-17 | Texas Instruments Incorporated | Module with reversely coupled inductors and magnetic molded compound (MMC) |
US11901113B2 (en) | 2019-01-07 | 2024-02-13 | Delta Electronics (Shanghai) Co., Ltd. | Inversely coupled inductor and power supply module |
CN111415812B (en) * | 2019-01-07 | 2023-11-10 | 台达电子企业管理(上海)有限公司 | Coupling inductance and power module |
CN112491269B (en) | 2019-09-11 | 2022-08-12 | 台达电子工业股份有限公司 | Power supply conversion system |
CN113380516A (en) * | 2020-03-10 | 2021-09-10 | 台达电子企业管理(上海)有限公司 | Coupling inductor and power module |
CN113890361A (en) | 2020-07-01 | 2022-01-04 | 台达电子工业股份有限公司 | Power supply module |
WO2022020984A1 (en) * | 2020-07-27 | 2022-02-03 | 华为技术有限公司 | Inductive device and electronic apparatus |
CN112071580B (en) * | 2020-08-14 | 2022-03-08 | 南京博兰得电子科技有限公司 | Coupling inductor |
CN112992505B (en) * | 2021-02-09 | 2022-04-15 | 合肥矽力杰半导体技术有限公司 | Coupling inductance structure |
US20230170380A1 (en) * | 2021-11-29 | 2023-06-01 | Infineon Technologies Austria Ag | Inductor devices and stacked power supply topologies |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006026674A2 (en) * | 2004-08-31 | 2006-03-09 | Pulse Engineeering, Inc. | Precision inductive devices and methods |
US20060089022A1 (en) * | 2004-10-22 | 2006-04-27 | Sumida Corporation | Magnetic element |
US20080246577A1 (en) * | 2002-12-13 | 2008-10-09 | Volterra Semiconductor Corporation | Method For Making Magnetic Components With N-Phase Coupling, And Related Inductor Structures |
US20100007457A1 (en) * | 2008-07-11 | 2010-01-14 | Yipeng Yan | Magnetic components and methods of manufacturing the same |
Family Cites Families (102)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2212543A (en) | 1938-06-20 | 1940-08-27 | Hartford Nat Bank & Trust Co | Polyphase choke coil |
US3878495A (en) | 1974-07-02 | 1975-04-15 | Westinghouse Electric Corp | Magnetic core for electrical inductive apparatus |
JPS6015908B2 (en) | 1974-08-02 | 1985-04-22 | セイコーエプソン株式会社 | Electronic clock that signals time with sound |
EP0012629A1 (en) | 1978-12-19 | 1980-06-25 | Fanuc Ltd. | Electrical reactors |
DE3104270A1 (en) | 1981-02-07 | 1982-09-02 | Vacuumschmelze Gmbh, 6450 Hanau | RADIO INTERFERENCE ARRANGEMENT AND PRODUCTION METHOD |
US4488136A (en) | 1981-05-18 | 1984-12-11 | Westinghouse Electric Corp. | Combination transformer with common core portions |
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 (en) | 1983-07-06 | 1985-01-26 | Hitachi Metals Ltd | Magnetic core |
NL8303994A (en) | 1983-11-10 | 1985-06-03 | Nedap Nv | SPRAY FIELD LEAK TRANSFORMER. |
JPS611917U (en) | 1984-06-08 | 1986-01-08 | 株式会社村田製作所 | noise filter |
DE3703561A1 (en) | 1987-02-06 | 1988-08-18 | Philips Patentverwaltung | Inductive component |
JPH0779063B2 (en) | 1988-08-15 | 1995-08-23 | 三菱電機株式会社 | Phase adjustment transformer |
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 |
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 |
US5204809A (en) | 1992-04-03 | 1993-04-20 | International Business Machines Corporation | H-driver DC-to-DC converter utilizing mutual inductance |
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 |
US5574420A (en) | 1994-05-27 | 1996-11-12 | Lucent Technologies Inc. | Low profile surface mounted magnetic devices and components therefor |
US5939966A (en) | 1994-06-02 | 1999-08-17 | Ricoh Company, Ltd. | Inductor, transformer, and manufacturing method thereof |
US6362713B1 (en) | 1994-10-19 | 2002-03-26 | Taiyo Yuden Kabushiki Kaisha | Chip inductor, chip inductor array and method of manufacturing same |
EP0725407A1 (en) | 1995-02-03 | 1996-08-07 | International Business Machines Corporation | Three-dimensional integrated circuit inductor |
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 |
CA2180992C (en) | 1995-07-18 | 1999-05-18 | Timothy M. Shafer | High current, low profile inductor and method for making same |
US5564837A (en) * | 1995-10-03 | 1996-10-15 | Ford Motor Company | Main bearing structure for internal combustion engine |
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 |
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 (en) | 1999-06-03 | 2003-01-14 | スミダコーポレーション株式会社 | Inductance element |
US6342778B1 (en) | 2000-04-20 | 2002-01-29 | Robert James Catalano | Low profile, surface mount magnetic devices |
US6348848B1 (en) | 2000-05-04 | 2002-02-19 | Edward Herbert | Transformer having fractional turn windings |
JP3624840B2 (en) | 2000-05-16 | 2005-03-02 | Fdk株式会社 | Inductor |
JP3821355B2 (en) | 2000-08-09 | 2006-09-13 | Necトーキン株式会社 | Choke coil and manufacturing method thereof |
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 |
DE10132123A1 (en) | 2001-07-03 | 2003-01-16 | Philips Corp Intellectual Pty | transformer |
WO2003007318A2 (en) | 2001-07-11 | 2003-01-23 | Vogt Electronic Ag | Swinging choke |
US7310039B1 (en) | 2001-11-30 | 2007-12-18 | Silicon Laboratories Inc. | Surface inductor |
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 |
TW553465U (en) | 2002-07-25 | 2003-09-11 | Micro Star Int Co Ltd | Integrated inductor |
CN1328736C (en) | 2002-08-26 | 2007-07-25 | 松下电器产业株式会社 | Multi-phasemagnetic element and production method therefor |
US6774758B2 (en) | 2002-09-11 | 2004-08-10 | Kalyan P. Gokhale | Low harmonic rectifier circuit |
US6737951B1 (en) | 2002-11-01 | 2004-05-18 | Metglas, Inc. | Bulk amorphous metal inductive device |
WO2009059069A2 (en) | 2007-10-30 | 2009-05-07 | Volterra Semiconductor Corporation | Magnetic components with m-phase coupling, and related inductor structures |
WO2004055841A1 (en) | 2002-12-13 | 2004-07-01 | Matsushita Electric Industrial Co., Ltd. | Multiple choke coil and electronic equipment using the same |
US8102233B2 (en) | 2009-08-10 | 2012-01-24 | Volterra Semiconductor Corporation | Coupled inductor with improved leakage inductance control |
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 |
US8237530B2 (en) | 2009-08-10 | 2012-08-07 | Volterra Semiconductor Corporation | Coupled inductor with improved leakage inductance control |
US7292128B2 (en) | 2002-12-19 | 2007-11-06 | Cooper Technologies Company | Gapped core structure for magnetic components |
US6867678B2 (en) | 2003-01-28 | 2005-03-15 | Entrust Power Co., Ltd. | Transformer structure |
KR20060015645A (en) | 2003-06-09 | 2006-02-17 | 미네베아 가부시키가이샤 | Inverter transformer |
US7307502B2 (en) | 2003-07-16 | 2007-12-11 | Marvell World Trade Ltd. | Power inductor with reduced DC current saturation |
FI115805B (en) | 2003-09-23 | 2005-07-15 | Abb Oy | The reactor arrangement |
JP4854923B2 (en) * | 2003-10-21 | 2012-01-18 | Tdk株式会社 | Magnetic coupling element |
US7187263B2 (en) | 2003-11-26 | 2007-03-06 | Vlt, Inc. | Printed circuit transformer |
US7009484B2 (en) | 2003-12-15 | 2006-03-07 | Artesyn Technologies, Inc. | Magnetic assembly |
JP2005310865A (en) | 2004-04-19 | 2005-11-04 | Matsushita Electric Ind Co Ltd | Coil component |
JP4525155B2 (en) * | 2004-04-26 | 2010-08-18 | Smc株式会社 | Linear actuator |
US6980077B1 (en) | 2004-08-19 | 2005-12-27 | Coldwatt, Inc. | Composite magnetic core for switch-mode power converters |
US7667565B2 (en) | 2004-09-08 | 2010-02-23 | Cyntec Co., Ltd. | Current measurement using inductor coil with compact configuration and low TCR alloys |
US7315463B2 (en) | 2004-09-30 | 2008-01-01 | Intel Corporation | Apparatus and method for multi-phase transformers |
US7319840B2 (en) * | 2004-11-04 | 2008-01-15 | Konica Minolta Business Technologies, Inc. | Induction heating fixing device and image forming apparatus |
JPWO2006070544A1 (en) | 2004-12-27 | 2008-06-12 | スミダコーポレーション株式会社 | Magnetic element |
US7239530B1 (en) | 2005-02-17 | 2007-07-03 | Volterra Semiconductor Corporation | Apparatus for isolated switching power supply with coupled output inductors |
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 |
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 |
US7317305B1 (en) | 2005-05-18 | 2008-01-08 | Volterra Semiconductor Corporation | Method and apparatus for multi-phase DC-DC converters using coupled inductors in discontinuous conduction mode |
US7504808B2 (en) | 2005-06-30 | 2009-03-17 | Intel Corporation | Multiphase transformer for a multiphase DC-DC converter |
US7239550B2 (en) * | 2005-10-20 | 2007-07-03 | Silicon Storage Technology, Inc. | Method of programming a non-volatile memory cell |
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 |
ITMI20060465A1 (en) | 2006-03-15 | 2007-09-16 | Prometeus Di Daniele Quartieri | DEVICE AND PROCEDURE GOD INJECTION FOR DIESEL TYPE MOTORS WITH HYDRO-ALCOHOLIC MIXTURES |
EP1835604A1 (en) | 2006-03-16 | 2007-09-19 | STMicroelectronics S.r.l. | Magnetic core for a coupled multi coil filter inductor |
US7301430B1 (en) | 2006-05-16 | 2007-11-27 | Lien Chang Electronic Enterprise Co., Ltd. | High voltage transformer for controlling inductance leakage |
US8400245B2 (en) | 2008-07-11 | 2013-03-19 | Cooper Technologies Company | High current magnetic component and methods of manufacture |
US8063727B2 (en) | 2006-12-08 | 2011-11-22 | Teradyne, Inc. | Conductive shielding device |
TW200830337A (en) | 2007-01-11 | 2008-07-16 | Delta Electronics Inc | Multi-lamps driving device and transformer thereof |
KR20080070377A (en) | 2007-01-26 | 2008-07-30 | 삼성전자주식회사 | Inverter transformer and inverter power module for electric/electronic device having the same |
US7791321B2 (en) | 2007-02-23 | 2010-09-07 | Virginia Tech Intellectual Properties, Inc. | Coupled-inductor multi-phase buck converters |
US7761701B2 (en) * | 2007-03-26 | 2010-07-20 | Intel Corporation | Component firmware integration in distributed systems |
US7525406B1 (en) | 2008-01-17 | 2009-04-28 | Well-Mag Electronic Ltd. | Multiple coupling and non-coupling inductor |
WO2009114872A1 (en) | 2008-03-14 | 2009-09-17 | Volterra Semiconductor Corporation | Magnetic components with m-phase coupling, and related inductor structures |
US9859043B2 (en) | 2008-07-11 | 2018-01-02 | Cooper Technologies Company | Magnetic components and methods of manufacturing the same |
US8183967B2 (en) | 2008-07-11 | 2012-05-22 | Cooper Technologies Company | Surface mount magnetic components and methods of manufacturing the same |
US8040212B2 (en) | 2009-07-22 | 2011-10-18 | Volterra Semiconductor Corporation | Low profile inductors for high density circuit boards |
JP5426961B2 (en) | 2009-08-05 | 2014-02-26 | 本田技研工業株式会社 | DC / DC converter |
JP5391168B2 (en) | 2010-09-03 | 2014-01-15 | 本田技研工業株式会社 | Combined transformer |
-
2010
- 2010-05-24 US US12/786,316 patent/US8174348B2/en active Active
-
2011
- 2011-05-24 TW TW100118193A patent/TW201207869A/en unknown
- 2011-05-24 WO PCT/US2011/037762 patent/WO2011149954A2/en active Application Filing
- 2011-05-24 JP JP2013512167A patent/JP2013528321A/en active Pending
- 2011-05-24 CN CN201180034408.5A patent/CN103081325B/en active Active
- 2011-05-24 EP EP11728443.0A patent/EP2577691B1/en active Active
-
2012
- 2012-04-30 US US13/460,363 patent/US8890644B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080246577A1 (en) * | 2002-12-13 | 2008-10-09 | Volterra Semiconductor Corporation | Method For Making Magnetic Components With N-Phase Coupling, And Related Inductor Structures |
WO2006026674A2 (en) * | 2004-08-31 | 2006-03-09 | Pulse Engineeering, Inc. | Precision inductive devices and methods |
US20060089022A1 (en) * | 2004-10-22 | 2006-04-27 | Sumida Corporation | Magnetic element |
US20100007457A1 (en) * | 2008-07-11 | 2010-01-14 | Yipeng Yan | Magnetic components and methods of manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
EP2577691B1 (en) | 2017-01-04 |
US20110148560A1 (en) | 2011-06-23 |
CN103081325A (en) | 2013-05-01 |
US8890644B2 (en) | 2014-11-18 |
JP2013528321A (en) | 2013-07-08 |
US8174348B2 (en) | 2012-05-08 |
TW201207869A (en) | 2012-02-16 |
CN103081325B (en) | 2016-08-03 |
US20120212311A1 (en) | 2012-08-23 |
EP2577691A2 (en) | 2013-04-10 |
WO2011149954A2 (en) | 2011-12-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2011149954A3 (en) | Two-phase coupled inductors which promote improved printed circuit board layout | |
WO2011103259A3 (en) | Power inductors in silicon | |
EP2517215B1 (en) | Multi-turn inductors | |
CN205104331U (en) | Integrated transformer of magnetic cores structure and magnetism | |
WO2013126308A8 (en) | High current, low equivalent series resistance printed circuit board coil for power transfer application | |
EP2080265A4 (en) | Filter package | |
WO2011091249A3 (en) | Grid-tied power conversion circuits and related techniques | |
WO2012129485A3 (en) | Integrated magnetics with isolated drive circuit | |
TW200727315A (en) | Transformer structure | |
WO2011159458A3 (en) | Inductive structure | |
WO2011103420A3 (en) | High current inductor assembly | |
WO2008087781A1 (en) | Dc-dc converter module | |
WO2010126332A3 (en) | Stacked inductor using magnetic sheets, and method for manufacturing same | |
WO2011138507A3 (en) | A wireless power transfer device | |
WO2009122355A3 (en) | Wireless power transmission system | |
WO2012129133A3 (en) | On chip inductor | |
WO2007019281A3 (en) | Origami cascaded topology for analog and mixed-signal applications | |
WO2010123925A3 (en) | Miniature rfid tag | |
UA109130C2 (en) | POWER STEERING SWITCH | |
US20150235754A1 (en) | Ferrite inductors for low-height and associated methods | |
EP4057303A4 (en) | Planar transformer, circuit board having same and power converter | |
US20110286143A1 (en) | Powder Core Material Coupled Inductors And Associated Methods | |
TWI369070B (en) | Distributed active transformer type millimeter-wave power amplifier circuit | |
WO2014031959A3 (en) | Distribution transformer | |
WO2011115957A3 (en) | High-efficiency wireless lighting system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180034408.5 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11728443 Country of ref document: EP Kind code of ref document: A2 |
|
ENP | Entry into the national phase |
Ref document number: 2013512167 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2011728443 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011728443 Country of ref document: EP |