[go: up one dir, main page]

TWI349441B - Pwm controller and method for compensating a maximum output power of a power converter - Google Patents

Pwm controller and method for compensating a maximum output power of a power converter

Info

Publication number
TWI349441B
TWI349441B TW097105824A TW97105824A TWI349441B TW I349441 B TWI349441 B TW I349441B TW 097105824 A TW097105824 A TW 097105824A TW 97105824 A TW97105824 A TW 97105824A TW I349441 B TWI349441 B TW I349441B
Authority
TW
Taiwan
Prior art keywords
compensating
maximum output
pwm controller
power
output power
Prior art date
Application number
TW097105824A
Other languages
English (en)
Other versions
TW200849824A (en
Inventor
Chien Yuan Lin
Tin Wei Chen
Original Assignee
System General Corp
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
Application filed by System General Corp filed Critical System General Corp
Publication of TW200849824A publication Critical patent/TW200849824A/zh
Application granted granted Critical
Publication of TWI349441B publication Critical patent/TWI349441B/zh

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/22Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28Conversion 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
    • H02M3/325Conversion 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
    • H02M3/335Conversion 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
    • H02M3/33507Conversion 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
TW097105824A 2007-06-14 2008-02-19 Pwm controller and method for compensating a maximum output power of a power converter TWI349441B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94409607P 2007-06-14 2007-06-14
US11/960,695 US8031492B2 (en) 2007-06-14 2007-12-19 PWM controller for compensating a maximum output power of a power converter

Publications (2)

Publication Number Publication Date
TW200849824A TW200849824A (en) 2008-12-16
TWI349441B true TWI349441B (en) 2011-09-21

Family

ID=40131672

Family Applications (3)

Application Number Title Priority Date Filing Date
TW097105824A TWI349441B (en) 2007-06-14 2008-02-19 Pwm controller and method for compensating a maximum output power of a power converter
TW097108549A TWI369845B (en) 2007-06-14 2008-03-11 Pwm controller and power converter for compensating a maximum output power
TW097109715A TWI370612B (en) 2007-06-14 2008-03-19 Power converter for compensating a maximum output power and pwm controller thereof

Family Applications After (2)

Application Number Title Priority Date Filing Date
TW097108549A TWI369845B (en) 2007-06-14 2008-03-11 Pwm controller and power converter for compensating a maximum output power
TW097109715A TWI370612B (en) 2007-06-14 2008-03-19 Power converter for compensating a maximum output power and pwm controller thereof

Country Status (3)

Country Link
US (3) US8031492B2 (zh)
CN (3) CN101325374B (zh)
TW (3) TWI349441B (zh)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8031492B2 (en) * 2007-06-14 2011-10-04 System General Corp. PWM controller for compensating a maximum output power of a power converter
US9093993B2 (en) * 2008-07-31 2015-07-28 System General Corp. Power saving circuit for PWM circuit
US8222882B2 (en) 2009-01-30 2012-07-17 Power Integrations, Inc. Power supply controller with input voltage compensation for efficiency and maximum power output
TWI400991B (zh) * 2009-03-06 2013-07-01 Grenergy Opto Inc Control circuit with frequency compensation
CN101552570B (zh) * 2009-04-17 2013-09-18 成都芯源系统有限公司 一种具有限频功能的开关稳压电路及方法
US8269432B2 (en) * 2009-09-14 2012-09-18 System General Corporation Offline LED lighting circuit with dimming control
US8351227B2 (en) * 2010-01-22 2013-01-08 System General Corp. Switching controller for power converters
CN102315788B (zh) * 2010-07-06 2014-02-05 力林科技股份有限公司 电源转换装置及其过电流保护方法
KR101708483B1 (ko) * 2010-09-27 2017-03-08 페어차일드코리아반도체 주식회사 듀티 밸런싱 오실레이터
CN102055310B (zh) * 2010-11-01 2013-09-11 崇贸科技股份有限公司 具有开回路保护与短路保护的电源供应器
TWI454007B (zh) * 2011-01-11 2014-09-21 System General Corp 具有開迴路保護與短路保護的電源供應器
US9306459B2 (en) * 2011-02-15 2016-04-05 System General Corporation Control circuit for burst switching of power converter and method thereof
US8908396B2 (en) * 2011-09-13 2014-12-09 System General Corp. Control circuit for controlling the maximum output current of power converter and method thereof
US9093918B2 (en) * 2011-10-17 2015-07-28 System General Corporation Control circuit for offline power converter without input capacitor
US9203292B2 (en) * 2012-06-11 2015-12-01 Power Systems Technologies Ltd. Electromagnetic interference emission suppressor
US9203293B2 (en) * 2012-06-11 2015-12-01 Power Systems Technologies Ltd. Method of suppressing electromagnetic interference emission
US9660540B2 (en) 2012-11-05 2017-05-23 Flextronics Ap, Llc Digital error signal comparator
CN104035361A (zh) * 2014-05-14 2014-09-10 郑州宇通客车股份有限公司 V-pwm变换电路
CN105226933B (zh) * 2014-06-17 2018-05-22 通嘉科技股份有限公司 用以除去电源转换器音频噪声的控制器及其相关方法
JP6410554B2 (ja) * 2014-10-21 2018-10-24 ローム株式会社 スイッチングコンバータおよびその制御回路、ac/dcコンバータ、電源アダプタおよび電子機器
ITUB20150319A1 (it) * 2015-05-13 2016-11-13 St Microelectronics Srl Convertitore di corrente con controllo della corrente sul lato dell'avvolgimento primario e compensazione del ritardo di propagazione
US11196334B2 (en) * 2017-07-31 2021-12-07 Rohm Co., Ltd. Current sense circuit
TW202111346A (zh) * 2019-09-06 2021-03-16 群光電能科技股份有限公司 湧浪電流測試裝置
CN111146961B (zh) 2020-01-20 2022-04-12 昂宝电子(上海)有限公司 用于控制同步整流系统的控制电路及方法
CN111697838B (zh) 2020-05-29 2023-09-26 昂宝电子(上海)有限公司 同步整流控制电路、方法和开关电源系统
CN112821727B (zh) * 2021-03-11 2022-06-28 昂宝电子(上海)有限公司 开关电源系统
CN113472211B (zh) 2021-07-07 2022-12-23 昂宝电子(上海)有限公司 反激式开关电源及其同步整流控制器
CN113572364B (zh) 2021-07-29 2023-08-15 昂宝电子(上海)有限公司 开关电源系统及其同步整流控制器
US12218591B2 (en) * 2022-01-20 2025-02-04 Richtek Technology Corporation Switching power converter and conversion control circuit thereof
CN116345887B (zh) * 2023-04-18 2025-12-05 福州大学 基于电流脉宽转换电路的高频dc/dc变换器及其控制方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5967719A (ja) * 1982-10-09 1984-04-17 Nippon Gakki Seizo Kk パルス幅変調回路
US6597159B2 (en) * 2001-08-15 2003-07-22 System General Corp. Pulse width modulation controller having frequency modulation for power converter
AU2002350428A1 (en) * 2001-11-23 2003-06-10 Danfoss Drives A/S Frequency converter for different mains voltages
EP1524570B1 (en) * 2002-07-10 2008-09-10 Marvell World Trade Ltd. Adaptive control loop
US6611439B1 (en) * 2002-10-28 2003-08-26 System General Corporation PWM controller for controlling output power limit of a power supply
JP3700785B2 (ja) * 2002-12-03 2005-09-28 オリジン電気株式会社 電力変換装置
US6781356B1 (en) * 2003-03-24 2004-08-24 System General Corp. PWM controller having a modulator for saving power and reducing acoustic noise
US6975177B2 (en) * 2003-06-09 2005-12-13 Nokia Corporation Method and system for a generation of a two-level signal
EP1555742A4 (en) * 2003-07-16 2008-10-01 Sanken Electric Co Ltd CONTINUOUS CURRENT CONVERTER
US6906934B2 (en) * 2003-09-04 2005-06-14 System General Corp. Integrated start-up circuit with reduced power consumption
US7088598B2 (en) * 2004-04-02 2006-08-08 System General Corp. Power-mode control circuitry for power converters
US7362593B2 (en) * 2004-09-16 2008-04-22 System General Corp. Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply
US7239119B2 (en) * 2004-11-05 2007-07-03 Power Integrations, Inc. Method and apparatus to provide temporary peak power from a switching regulator
US7453250B2 (en) * 2005-02-10 2008-11-18 Intersil Americas Inc. PWM controller with dual-edge modulation using dual ramps
US7564903B2 (en) * 2005-10-07 2009-07-21 System General Corp. Method and apparatus for measuring reflected voltage of transformer
KR101247801B1 (ko) * 2005-10-25 2013-03-26 페어차일드코리아반도체 주식회사 스위칭 모드 파워 서플라이
US7259525B2 (en) * 2005-11-03 2007-08-21 System General Corporation High efficiency switching LED driver
CN101379685B (zh) * 2006-03-02 2014-04-09 半导体元件工业有限责任公司 用于调节电压的方法及其电路
US7592790B2 (en) * 2006-04-19 2009-09-22 System General Corp. Start-up circuit with feedforward compensation for power converters
US7602160B2 (en) * 2006-07-31 2009-10-13 System General Corp. Method and apparatus providing protection for power converter
US7439716B2 (en) * 2006-09-12 2008-10-21 Semiconductor Components Industries, L.L.C. DC-DC converter and method
US7656685B2 (en) * 2007-01-12 2010-02-02 System General Corp. Control method and circuit with indirect input voltage detection by switching current slope detection
US8031492B2 (en) * 2007-06-14 2011-10-04 System General Corp. PWM controller for compensating a maximum output power of a power converter

Also Published As

Publication number Publication date
CN101325371B (zh) 2010-09-29
US20080309311A1 (en) 2008-12-18
US20080310193A1 (en) 2008-12-18
TW200849786A (en) 2008-12-16
TWI369845B (en) 2012-08-01
US7652463B2 (en) 2010-01-26
US20080309312A1 (en) 2008-12-18
CN101325374A (zh) 2008-12-17
CN101325371A (zh) 2008-12-17
US7835162B2 (en) 2010-11-16
CN101325373A (zh) 2008-12-17
CN101325373B (zh) 2010-10-27
TW200849824A (en) 2008-12-16
US8031492B2 (en) 2011-10-04
TW200849793A (en) 2008-12-16
CN101325374B (zh) 2010-09-08
TWI370612B (en) 2012-08-11

Similar Documents

Publication Publication Date Title
TWI349441B (en) Pwm controller and method for compensating a maximum output power of a power converter
TWI348827B (en) Power converter having pwm controller for maximum output power compensation
GB2464221B (en) Dynamic power converter control for efficient operation
TWI348086B (en) Dc power converter and mode-switching method
ZA201007608B (en) A power converter system that operates efficiently over a range of load conditions
TWI329968B (en) Controller for dc-dc converter and method for controlling dc-dc converter
GB0913242D0 (en) Systems and methods for controlling a converter for powering a load
TWI368122B (en) Synchronous regulation power converters, synchronous regulation circuits, and synchronous regulation methods
EP2284986A4 (en) Inverter control device and power conversion device
PT2487780T (pt) Controlador para um conversor de potência e respetivo método de funcionamento
EP2127059A4 (en) CONTROL ARRANGEMENT FOR A PFC-PWM POWER CONVERTER
IL217707A (en) Power supply and power conversion method
GB0712536D0 (en) A DC to AC power converter
EP2122822A4 (en) PROCESS WITH OPEN CONTROL FOR POWER CONTROL
GB0811895D0 (en) Switched-mode power supplies
EP2375562A4 (en) Wind power generation device and method for controlling output thereof
EP2289159A4 (en) POWER CONVERTER
GB0816455D0 (en) Power converter
EP2204897A4 (en) Power converter
PL2387820T3 (pl) Urządzenie przetwornikowe i sposób sterowania urządzeniem przetwornikowym
PT2605103T (pt) Controlador para um conversor de potência de modo comutado, conversor de potência de modo comutado e método para controlar o mesmo
GB0818829D0 (en) Steam power plant and method for controlling the output of a steam power plant
TWI367625B (en) Switched-mode power supply and controlling method thereof
IL181843A0 (en) Controlled power supply and method for pulse load
GB0724369D0 (en) Power converter