EP1935083A4 - Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply - Google Patents
Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supplyInfo
- Publication number
- EP1935083A4 EP1935083A4 EP05806188A EP05806188A EP1935083A4 EP 1935083 A4 EP1935083 A4 EP 1935083A4 EP 05806188 A EP05806188 A EP 05806188A EP 05806188 A EP05806188 A EP 05806188A EP 1935083 A4 EP1935083 A4 EP 1935083A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- primary
- power supply
- control circuit
- switching control
- improve efficiency
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2005/001653 WO2007041895A1 (en) | 2005-10-09 | 2005-10-09 | Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1935083A1 EP1935083A1 (en) | 2008-06-25 |
EP1935083A4 true EP1935083A4 (en) | 2010-11-17 |
Family
ID=37942289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05806188A Withdrawn EP1935083A4 (en) | 2005-10-09 | 2005-10-09 | Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1935083A4 (en) |
JP (1) | JP4763055B2 (en) |
KR (1) | KR101005269B1 (en) |
WO (1) | WO2007041895A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI379496B (en) * | 2010-04-02 | 2012-12-11 | Macroblock Inc | Isolated primary side regulator |
CN104092369B (en) * | 2014-06-27 | 2017-01-11 | 北京控制工程研究所 | Switch power supply feedback circuit based on digital optocoupler |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6661679B1 (en) * | 2002-10-28 | 2003-12-09 | System General Corporation | PWM controller having adaptive off-time modulation for power saving |
US20040257839A1 (en) * | 2003-06-18 | 2004-12-23 | Ta-Yung Yang | Primary-side regulated pulse width modulation controller with improved load regulation |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04261334A (en) * | 1991-02-15 | 1992-09-17 | Fujitsu Ltd | Power transmission line monitoring system |
KR100286308B1 (en) | 1998-05-13 | 2001-04-16 | 구자홍 | Switching power apparatus for multi-circuit |
JP3481511B2 (en) * | 1999-07-08 | 2003-12-22 | 日本碍子株式会社 | Electrode structure |
CN2552047Y (en) * | 2002-06-19 | 2003-05-21 | 深圳市跨宏实业有限公司 | Switch power with wide input voltage range |
JP2004180380A (en) * | 2002-11-26 | 2004-06-24 | Artlogic Inc | Switching regulator |
DE10310361B4 (en) * | 2003-03-10 | 2005-04-28 | Friwo Mobile Power Gmbh | Control circuit for switching power supply |
JP3938083B2 (en) * | 2003-03-28 | 2007-06-27 | ソニー株式会社 | Switching power supply |
US7054170B2 (en) | 2004-01-05 | 2006-05-30 | System General Corp. | Power-mode controlled power converter |
KR20060110363A (en) * | 2004-02-13 | 2006-10-24 | 로무 가부시키가이샤 | Switching power supply apparatus and mobile device |
CN2692915Y (en) * | 2004-02-19 | 2005-04-13 | Bcd半导体制造有限公司 | Frequency hopping PWM controller based on 384X |
CN100371844C (en) * | 2004-08-20 | 2008-02-27 | 清华大学 | Parallel cross operation method of critical continuous conducting mode power factor corrector |
-
2005
- 2005-10-09 WO PCT/CN2005/001653 patent/WO2007041895A1/en active Application Filing
- 2005-10-09 KR KR1020087009888A patent/KR101005269B1/en active IP Right Grant
- 2005-10-09 EP EP05806188A patent/EP1935083A4/en not_active Withdrawn
- 2005-10-09 JP JP2008533847A patent/JP4763055B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6661679B1 (en) * | 2002-10-28 | 2003-12-09 | System General Corporation | PWM controller having adaptive off-time modulation for power saving |
US20040257839A1 (en) * | 2003-06-18 | 2004-12-23 | Ta-Yung Yang | Primary-side regulated pulse width modulation controller with improved load regulation |
Non-Patent Citations (1)
Title |
---|
See also references of WO2007041895A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2009512405A (en) | 2009-03-19 |
KR20080065983A (en) | 2008-07-15 |
JP4763055B2 (en) | 2011-08-31 |
KR101005269B1 (en) | 2011-01-04 |
EP1935083A1 (en) | 2008-06-25 |
WO2007041895A1 (en) | 2007-04-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080327 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE NL |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): DE NL |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20101015 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H02M 3/335 20060101AFI20101011BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20110513 |