EP3195455A4 - Constant on-time (cot) control in isolated converter - Google Patents

Constant on-time (cot) control in isolated converter Download PDF

Info

Publication number: EP3195455A4
Authority: EP; European Patent Office
Prior art keywords: cot; constant; control; time; isolated converter
Prior art date: 2014-09-19
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP15841947.3A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP3195455A1 (en

Inventor

Tien-Chi Lin

Chih-Yuan Liu

Yueh-Ping Yu

Jung-Pei Cheng

Pei-Lun Huang

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Alpha and Omega Semiconductor Cayman Ltd

Original Assignee

Alpha and Omega Semiconductor Cayman Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2014-09-19

Filing date

2015-09-16

Publication date

2018-05-30

2014-12-07 Priority claimed from US14/562,729 external-priority patent/US9954455B2/en

2015-09-16 Application filed by Alpha and Omega Semiconductor Cayman Ltd filed Critical Alpha and Omega Semiconductor Cayman Ltd

2017-07-26 Publication of EP3195455A1 publication Critical patent/EP3195455A1/en

2018-05-30 Publication of EP3195455A4 publication Critical patent/EP3195455A4/en

Status Withdrawn legal-status Critical Current

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
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
- 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
- H02M1/36—Means for starting or stopping 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
- 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
- H02M3/33515—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 digital control
- 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
- 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
- H02M3/33569—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 having several active switching elements
- H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
- 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
- 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
- H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of converters
- 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)

EP15841947.3A 2014-09-19 2015-09-16 Constant on-time (cot) control in isolated converter Withdrawn EP3195455A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
CN201410483054.8A CN105490541B (zh)	2014-09-19	2014-09-19	固定导通时间切换式转换装置
US14/562,729 US9954455B2 (en)	2014-09-12	2014-12-07	Constant on time COT control in isolated converter
PCT/US2015/050528 WO2016044489A1 (en)	2014-09-19	2015-09-16	Constant on-time (cot) control in isolated converter

Publications (2)

Publication Number	Publication Date
EP3195455A1 EP3195455A1 (en)	2017-07-26
EP3195455A4 true EP3195455A4 (en)	2018-05-30

Family

ID=55533818

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP15841947.3A Withdrawn EP3195455A4 (en)	2014-09-19	2015-09-16	Constant on-time (cot) control in isolated converter

Country Status (6)

Country	Link
EP (1)	EP3195455A4 (ko)
JP (1)	JP6570623B2 (ko)
KR (1)	KR101883708B1 (ko)
CN (1)	CN105490541B (ko)
PH (1)	PH12017500477A1 (ko)
WO (1)	WO2016044489A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
TWI688194B (zh) *	2019-03-08	2020-03-11	宏碁股份有限公司	電源供應電路
CN110022050A (zh) *	2019-04-28	2019-07-16	国网江西省电力有限公司电力科学研究院	一种变频电源装置
TWI699640B (zh) *	2019-05-16	2020-07-21	晶豪科技股份有限公司	固定開路時間控制器與使用其的降壓變換器裝置
CN114400899B (zh) *	2020-11-16	2023-07-18	上海百功半导体有限公司	一种新型零电压切换控制电路、方法及电压变换器

Citations (6)

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US5498995A (en) *	1993-03-17	1996-03-12	National Semiconductor Corporation	Short circuit frequency shift circuit for switching regulators
US20040120163A1 (en) *	2001-05-10	2004-06-24	Fidelix Y.K.	Switching power supply apparatus
US20130016535A1 (en) *	2011-07-12	2013-01-17	Power Systems Technologies, Ltd.	Controller for a Power Converter and Method of Operating the Same
CN202931197U (zh) *	2012-10-11	2013-05-08	无锡市晶源微电子有限公司	一种基于变压器变换的反激式变换器
EP2697900A1 (en) *	2011-04-15	2014-02-19	Telefonaktiebolaget LM Ericsson (PUBL)	Switched mode power supply with a simplified start-up supply
EP2775602A2 (en) *	2013-03-08	2014-09-10	Power Integrations, Inc.	Techniques for controlling a power converter using multiple controllers

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JPS59178969A (ja) *	1983-03-29	1984-10-11	Fujitsu Ltd	Ｄｃ−ｄｃコンバ−タ
US5841641A (en) *	1996-05-01	1998-11-24	Compaq Computer Corporation	Protected zero-crossing detection using switching transistor's on-resistance
US5757626A (en) *	1996-06-21	1998-05-26	Delta Electronics Inc.	Single-stage, single-switch, islolated power-supply technique with input-current shaping and fast output-voltage regulation
JP3429417B2 (ja) *	1996-11-15	2003-07-22	新電元工業株式会社	フォワ−ド型ｄｃ−ｄｃコンバ−タ
JP4210803B2 (ja) *	1998-05-11	2009-01-21	サンケン電気株式会社	同期整流型ｄｃ−ｄｃコンバータ
US6456511B1 (en) *	2000-02-17	2002-09-24	Tyco Electronics Corporation	Start-up circuit for flyback converter having secondary pulse width modulation
US6510062B2 (en) *	2001-06-25	2003-01-21	Switch Power, Inc.	Method and circuit to bias output-side width modulation control in an isolating voltage converter system
US6885016B2 (en) *	2001-09-04	2005-04-26	Eugene Robert Worley	Switching power supply circuit using a silicon based LED for feedback
US6563718B1 (en) *	2001-12-06	2003-05-13	Koninklijke Philips Electronics N.V.	Capacitively coupled power converter
JP5152185B2 (ja) *	2007-06-29	2013-02-27	株式会社村田製作所	スイッチング電源装置
US7911815B2 (en) *	2008-12-31	2011-03-22	Grenergy Opto, Inc.	Primary-side feedback control device and related method for a power converter
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TWI441427B (zh) *	2010-12-15	2014-06-11	Richtek Technology Corp	並聯調節器、返馳轉換器及其輸出回授的控制方法
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2014
- 2014-09-19 CN CN201410483054.8A patent/CN105490541B/zh active Active
2015
- 2015-09-16 KR KR1020177008378A patent/KR101883708B1/ko active IP Right Grant
- 2015-09-16 EP EP15841947.3A patent/EP3195455A4/en not_active Withdrawn
- 2015-09-16 WO PCT/US2015/050528 patent/WO2016044489A1/en active Application Filing
- 2015-09-16 JP JP2017515836A patent/JP6570623B2/ja active Active
2017
- 2017-03-13 PH PH12017500477A patent/PH12017500477A1/en unknown

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Publication number	Priority date	Publication date	Assignee	Title
US5498995A (en) *	1993-03-17	1996-03-12	National Semiconductor Corporation	Short circuit frequency shift circuit for switching regulators
US20040120163A1 (en) *	2001-05-10	2004-06-24	Fidelix Y.K.	Switching power supply apparatus
EP2697900A1 (en) *	2011-04-15	2014-02-19	Telefonaktiebolaget LM Ericsson (PUBL)	Switched mode power supply with a simplified start-up supply
US20130016535A1 (en) *	2011-07-12	2013-01-17	Power Systems Technologies, Ltd.	Controller for a Power Converter and Method of Operating the Same
CN202931197U (zh) *	2012-10-11	2013-05-08	无锡市晶源微电子有限公司	一种基于变压器变换的反激式变换器
EP2775602A2 (en) *	2013-03-08	2014-09-10	Power Integrations, Inc.	Techniques for controlling a power converter using multiple controllers

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Title
See also references of WO2016044489A1 *

Also Published As

Publication number	Publication date
PH12017500477B1 (en)	2017-08-07
KR101883708B1 (ko)	2018-07-31
JP6570623B2 (ja)	2019-09-04
CN105490541B (zh)	2018-08-03
CN105490541A (zh)	2016-04-13
PH12017500477A1 (en)	2017-08-07
WO2016044489A1 (en)	2016-03-24
EP3195455A1 (en)	2017-07-26
KR20170045328A (ko)	2017-04-26
JP2017529050A (ja)	2017-09-28

Legal Events

Date	Code	Title	Description
2017-06-23	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
2017-07-26	17P	Request for examination filed	Effective date: 20170322
2017-07-26	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2017-07-26	AX	Request for extension of the european patent	Extension state: BA ME
2017-12-27	DAV	Request for validation of the european patent (deleted)
2017-12-27	DAX	Request for extension of the european patent (deleted)
2018-05-23	RIC1	Information provided on ipc code assigned before grant	Ipc: H02M 1/36 20070101ALI20180419BHEP Ipc: H02M 3/335 20060101ALI20180419BHEP Ipc: H02M 7/155 20060101ALI20180419BHEP Ipc: H02M 7/21 20060101ALI20180419BHEP Ipc: H02M 1/10 20060101AFI20180419BHEP Ipc: G05F 1/565 20060101ALI20180419BHEP
2018-05-30	A4	Supplementary search report drawn up and despatched	Effective date: 20180426
2019-03-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2019-03-27	17Q	First examination report despatched	Effective date: 20190221
2019-04-24	18W	Application withdrawn	Effective date: 20190315

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