PH12017500476A1 - Constant on-time (cot) control in isolated converter - Google Patents

Constant on-time (cot) control in isolated converter

Info

Publication number
PH12017500476A1
PH12017500476A1 PH12017500476A PH12017500476A PH12017500476A1 PH 12017500476 A1 PH12017500476 A1 PH 12017500476A1 PH 12017500476 A PH12017500476 A PH 12017500476A PH 12017500476 A PH12017500476 A PH 12017500476A PH 12017500476 A1 PH12017500476 A1 PH 12017500476A1
Authority
PH
Philippines
Prior art keywords
electronic switch
control signal
constant
processor
primary side
Prior art date
Application number
PH12017500476A
Other languages
English (en)
Other versions
PH12017500476B1 (en
Inventor
Tien Chi Lin
Chih Yuan Liu
Yueh Ping Yu
Pei Lun Huang
Original Assignee
Alpha & 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.)
Filing date
Publication date
Priority claimed from US14/562,735 external-priority patent/US9577543B2/en
Application filed by Alpha & Omega Semiconductor Cayman Ltd filed Critical Alpha & Omega Semiconductor Cayman Ltd
Publication of PH12017500476B1 publication Critical patent/PH12017500476B1/en
Publication of PH12017500476A1 publication Critical patent/PH12017500476A1/en

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
    • H02M3/33569—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
    • 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
    • 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)
  • Electronic Switches (AREA)
PH12017500476A 2014-09-19 2017-03-13 Constant on-time (cot) control in isolated converter PH12017500476A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201410483711.9A CN105490567B (zh) 2014-09-19 2014-09-19 固定导通时间切换式转换装置
US14/562,735 US9577543B2 (en) 2014-09-12 2014-12-07 Constant on time (COT) control in isolated converter
PCT/US2015/050536 WO2016044497A1 (en) 2014-09-19 2015-09-17 Constant on-time (cot) control in isolated converter

Publications (2)

Publication Number Publication Date
PH12017500476B1 PH12017500476B1 (en) 2017-07-31
PH12017500476A1 true PH12017500476A1 (en) 2017-07-31

Family

ID=55533822

Family Applications (1)

Application Number Title Priority Date Filing Date
PH12017500476A PH12017500476A1 (en) 2014-09-19 2017-03-13 Constant on-time (cot) control in isolated converter

Country Status (6)

Country Link
EP (1) EP3195460A4 (ja)
JP (1) JP6570202B2 (ja)
KR (1) KR101915057B1 (ja)
CN (1) CN105490567B (ja)
PH (1) PH12017500476A1 (ja)
WO (1) WO2016044497A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117590056B (zh) * 2024-01-15 2024-04-26 广州德肯电子股份有限公司 一种交直流信号隔离检测电路和检测装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7023717B2 (en) * 2001-05-10 2006-04-04 Fidelix Y.K. Switching power supply apparatus
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
US6998828B2 (en) * 2004-03-29 2006-02-14 Semiconductor Components Industries, L.L.C. Low audible noise power supply controller and method therefor
RU2264685C1 (ru) * 2004-04-01 2005-11-20 Общество с ограниченной ответственностью Научно-производственное предприятие НПП "Поликоммуникационные системы" Стабилизированный преобразователь напряжения
CN1938924B (zh) * 2004-04-13 2010-04-28 崇贸科技股份有限公司 具有用于节省功率和减少噪声的调制器的pwm控制器
US7280376B2 (en) 2004-10-15 2007-10-09 Dell Products L.P. Primary side voltage sense for AC/DC power supplies capable of compensation for a voltage drop in the secondary
US7483281B2 (en) * 2006-08-11 2009-01-27 System General Corp. Multi-channel power converter with switching frequency modulation circuit for power saving
WO2009011374A1 (ja) * 2007-07-18 2009-01-22 Murata Manufacturing Co., Ltd. 絶縁型ｄｃ－ｄｃコンバータ
US7983061B2 (en) * 2008-02-22 2011-07-19 System General Corporation Switching controller capable of reducing acoustic noise for power converters
US8253403B2 (en) * 2008-12-16 2012-08-28 Green Solution Technology Co., Ltd. Converting circuit and controller for controlling the same
WO2011051824A1 (en) 2009-10-30 2011-05-05 Koninklijke Philips Electronics N.V. Isolated power converter having reduced stanby power
WO2012109783A1 (en) * 2011-02-14 2012-08-23 Intersil Americas Inc. Isolated boost dc/dc converter
JP2013027145A (ja) * 2011-07-21 2013-02-04 Sanken Electric Co Ltd スイッチング電源装置
US8873254B2 (en) 2012-03-12 2014-10-28 Linear Technology Corporation Isolated flyback converter with sleep mode for light load operation
CN103457453B (zh) * 2012-06-04 2016-05-11 台达电子工业股份有限公司 一种用于降低音频噪音的控制方法

Also Published As

Publication number Publication date
KR20170048462A (ko) 2017-05-08
PH12017500476B1 (en) 2017-07-31
CN105490567B (zh) 2018-04-13
WO2016044497A1 (en) 2016-03-24
KR101915057B1 (ko) 2018-12-28
EP3195460A1 (en) 2017-07-26
EP3195460A4 (en) 2018-05-16
CN105490567A (zh) 2016-04-13
JP6570202B2 (ja) 2019-09-04
JP2017529051A (ja) 2017-09-28

Similar Documents

Publication Publication Date Title
IN2014DE00029A (ja)
TW201644171A (en) Control circuit, control method and flyback converter of primary-side feedback control thereof
EP2621069A3 (en) Flyback converter with primary side voltage sensing and overvoltage protection during low load operation
MX357520B (es) Convertidor de potencia cd-cd resonante con control de encendido y apagado.
GB2545337A (en) System with multiple signal loops and switched mode converter
MX2022012817A (es) Dispositivo de control de carga para controlar un controlador para una carga de iluminacion.
EP2683068A8 (en) Control circuit for a switched-mode power supply
IN2014DE00541A (ja)
PH12017500477B1 (en) Constant on-time (cot) control in isolated converter
IN2014MU00775A (ja)
WO2014008140A3 (en) Forward converter having a primary-side current sense circuit
WO2015181351A3 (en) Synchronous rectification
EP2432298A3 (en) Switching power supply device and adjustable power supply system including the same
TW201614943A (en) Flyback power converter with programmable function and control circuit and control method thereof
WO2013138220A3 (en) Power supply that maintains auxiliary bias within target range
GB2498027A (en) Power converter
MX2019000229A (es) Circuito de alimentacion de histeresis.
GB2540913A (en) Constant voltage and constant current driver circuit
TW201614405A (en) Voltage generating circuit
MX2018006717A (es) Fuente de alimentacion de soldadura con caracteristicas de voltaje extendido.
PH12017500474B1 (en) Constant on-time (cot) control in isolated converter
WO2016094389A3 (en) Quasi-resonant magnetron power supply
PH12017500475B1 (en) Constant on-time (cot) control in isolated converter
WO2016092565A3 (en) A regulator rectifier device and a method for regulating an output voltage of the same
PH12017500476A1 (en) Constant on-time (cot) control in isolated converter