ATE445253T1 - Variation der impulsbreitenmodulationsfrequenz in einem schaltnetzteil - Google Patents

Variation der impulsbreitenmodulationsfrequenz in einem schaltnetzteil

Info

Publication number
ATE445253T1
ATE445253T1 AT06790011T AT06790011T ATE445253T1 AT E445253 T1 ATE445253 T1 AT E445253T1 AT 06790011 T AT06790011 T AT 06790011T AT 06790011 T AT06790011 T AT 06790011T AT E445253 T1 ATE445253 T1 AT E445253T1
Authority
AT
Austria
Prior art keywords
pwm
frequency
count value
counter
multiplexer
Prior art date
Application number
AT06790011T
Other languages
English (en)
Inventor
Bryan Kris
Original Assignee
Microchip Tech Inc
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 Microchip Tech Inc filed Critical Microchip Tech Inc
Application granted granted Critical
Publication of ATE445253T1 publication Critical patent/ATE445253T1/de

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
    • H02M3/02—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
    • 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
    • H02M1/12—Arrangements for reducing harmonics from ac input or output
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dc-Dc Converters (AREA)
  • Electronic Switches (AREA)
AT06790011T 2005-08-30 2006-08-28 Variation der impulsbreitenmodulationsfrequenz in einem schaltnetzteil ATE445253T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/215,622 US7177166B1 (en) 2005-08-30 2005-08-30 Pulse width modulation frequency dithering in a switch mode power supply
PCT/US2006/033317 WO2007027536A1 (en) 2005-08-30 2006-08-28 Pulse width modulation frequency dithering in a switch mode power supply

Publications (1)

Publication Number Publication Date
ATE445253T1 true ATE445253T1 (de) 2009-10-15

Family

ID=37440918

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06790011T ATE445253T1 (de) 2005-08-30 2006-08-28 Variation der impulsbreitenmodulationsfrequenz in einem schaltnetzteil

Country Status (8)

Country Link
US (1) US7177166B1 (de)
EP (1) EP1831985B1 (de)
KR (1) KR100953719B1 (de)
CN (1) CN100525026C (de)
AT (1) ATE445253T1 (de)
DE (1) DE602006009618D1 (de)
TW (1) TWI357205B (de)
WO (1) WO2007027536A1 (de)

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CN113870784A (zh) * 2021-09-28 2021-12-31 京东方科技集团股份有限公司 一种显示装置和驱动方法

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US7376182B2 (en) * 2004-08-23 2008-05-20 Microchip Technology Incorporated Digital processor with pulse width modulation module having dynamically adjustable phase offset capability, high speed operation and simultaneous update of multiple pulse width modulation duty cycle registers
KR100665063B1 (ko) * 2005-01-31 2007-01-09 삼성전자주식회사 검사장치 및 검사방법
US7477047B2 (en) * 2005-11-21 2009-01-13 Broadcom Corporation Register with default control and built-in level shifter
DE102007043340B4 (de) * 2007-09-12 2010-04-08 Texas Instruments Deutschland Gmbh Erhöhung der PWM-Auflösung durch Modulation
FI20075645A0 (fi) * 2007-09-17 2007-09-17 Nokia Corp Ohjauspiiri ja ditterointimenetelmä
US20090086518A1 (en) * 2007-09-29 2009-04-02 Gordon Currie Switching mode power supplies with digital electromagnetic interference control
US7728571B2 (en) * 2007-11-06 2010-06-01 Richtek Technology Corporation, R.O.C. Load-dependent frequency jittering circuit and load-dependent frequency jittering method
US7791386B2 (en) 2008-01-23 2010-09-07 Microchip Technology Incorporated Externally synchronizing multiphase pulse width modulation signals
US8051317B2 (en) * 2008-06-26 2011-11-01 Honeywell International, Inc. Power supply with remotely adjustable output
US8258768B2 (en) * 2008-12-12 2012-09-04 Schneider Electric USA, Inc. Low EMI producing switch-mode power supply within an intelligent electronic device
US7800415B2 (en) * 2008-12-18 2010-09-21 Silicon Laboratories, Inc. Circuit device to produce an output signal including dither
TWI387203B (zh) * 2009-04-16 2013-02-21 Giga Byte Tech Co Ltd 脈衝寬度調變控制裝置以及其驅動方法
CN101877531B (zh) * 2009-04-30 2012-11-07 辉芒微电子（深圳）有限公司 开关电源及其使用的频率抖动生成装置和方法
CN101635504B (zh) * 2009-08-20 2012-10-10 杭州士兰微电子股份有限公司 频率抖动电路和方法及其在开关电源中的应用
TWI412216B (zh) * 2009-09-02 2013-10-11 Delta Electronics Inc 交錯式脈波寬度調變控制之電力模組系統及其操作方法
US9490792B2 (en) * 2010-02-10 2016-11-08 Freescale Semiconductor, Inc. Pulse width modulation with effective high duty resolution
WO2011140660A1 (en) * 2010-05-14 2011-11-17 Lumastream Canada Ulc Method and system for controlling solid state lighting via dithering
US9942954B2 (en) 2010-05-14 2018-04-10 Lumastream Canada Ulc Method and system for controlling solid state lighting via dithering
CN102170222B (zh) * 2010-09-30 2013-03-20 四川虹欧显示器件有限公司 开关电源电磁干扰的抑制装置
US8970068B2 (en) 2011-02-10 2015-03-03 Draker, Inc. Pseudo-random bit sequence generation for maximum power point tracking in photovoltaic arrays
US8599915B2 (en) 2011-02-11 2013-12-03 Freescale Semiconductor, Inc. Phase-shifted pulse width modulation signal generation device and method therefor
TWI481169B (zh) * 2011-05-27 2015-04-11 Leadtrend Tech Corp 控制切換式電源轉換器之功率開關跨壓之方法及其電路
CN102290976A (zh) * 2011-08-17 2011-12-21 无锡虹光半导体技术有限公司 用于开关电源中的频率抖动方法及电路
US8719749B2 (en) 2012-07-31 2014-05-06 Nxp B.V. Timer match dithering
US8994315B2 (en) * 2013-03-06 2015-03-31 Richtek Technology Corporation Motor controller
TWI532323B (zh) 2013-08-14 2016-05-01 財團法人工業技術研究院 數位脈波寬度產生器及其產生方法
US9130475B2 (en) * 2013-11-15 2015-09-08 Top Victory Investment Ltd. Switched-mode power supply capable of catching radiated electromagnetic interference and using its energy
CN103746560B (zh) * 2013-12-16 2017-03-22 联合汽车电子有限公司 移相全桥型dc/dc变换器的控制电路
US9980332B2 (en) * 2014-02-14 2018-05-22 Philips Lighting Holdings B.V. Circuit and method for controlling pulse width modulation of a current supply for a load
DE102014014876A1 (de) * 2014-09-30 2016-03-31 Elmos Semiconductor Aktiengesellschaft Verfahren zum Betreiben eines DC/DC-Wandlers mit fester PWM-Frequenz und mit einem Spreiz-Code-Verfahren zur Spektrumsmodifikation
DE102014014875A1 (de) * 2014-09-30 2016-03-31 Elmos Semiconductor Aktiengesellschaft Vorrichtung zum Betreiben eines DC/DC-Wandlers mit fester PWM-Frequenz und mit einem Spreiz-Code-Verfahren zur Spektrumsmodifikation
DE102017114526A1 (de) 2017-06-29 2019-01-03 Hanon Systems Verfahren zur Ansteuerung von Leistungshalbleitern in einem Inverter
CN108344119B (zh) * 2018-02-10 2020-12-11 广东美的制冷设备有限公司 空调器的控制方法、装置和计算机可读存储介质
CN109600067B (zh) * 2018-11-21 2020-05-19 华中科技大学 一种适用于三相电力电子变换器的均匀分布pwm方法及系统
TWI681612B (zh) * 2018-12-14 2020-01-01 通嘉科技股份有限公司 具有抖頻效果的電源控制器以及相關的控制方法
US11056976B2 (en) 2019-03-04 2021-07-06 Analog Devices International Unlimited Company Counter-based frequency hopping switching regulator
US11152855B2 (en) * 2019-05-21 2021-10-19 Texas Instruments Incorporated Multiple dithering profile signal generation
CN111355436B (zh) * 2020-03-09 2021-11-23 珠海格力电器股份有限公司 有效降低干扰的驱动器载波频率控制方法、装置及驱动器
CN112311263B (zh) * 2020-10-20 2021-11-12 石家庄通合电子科技股份有限公司 一种整流器pwm波调制方法及装置
CN112398314B (zh) * 2020-10-22 2021-10-01 杰华特微电子股份有限公司 开关电路的频率控制方法、控制电路及开关电源
CN112532047B (zh) * 2021-02-18 2021-04-16 上海芯龙半导体技术股份有限公司 开关电源芯片及系统

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US6414858B1 (en) * 2001-11-20 2002-07-02 Koninklijke Philips Electronics N.V. Multi-mode pulse-width modulator for power control applications
TWI220329B (en) * 2003-07-22 2004-08-11 Richtek Technology Corp Device and method to improve noise sensitivity of switching system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113870784A (zh) * 2021-09-28 2021-12-31 京东方科技集团股份有限公司 一种显示装置和驱动方法

Also Published As

Publication number Publication date
TWI357205B (en) 2012-01-21
US20070047272A1 (en) 2007-03-01
CN101116239A (zh) 2008-01-30
KR100953719B1 (ko) 2010-04-19
EP1831985B1 (de) 2009-10-07
EP1831985A1 (de) 2007-09-12
TW200713778A (en) 2007-04-01
DE602006009618D1 (de) 2009-11-19
CN100525026C (zh) 2009-08-05
KR20080028836A (ko) 2008-04-01
US7177166B1 (en) 2007-02-13
WO2007027536A1 (en) 2007-03-08

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