TWI336435B - Pre-emptive power supply control system and method - Google Patents

Pre-emptive power supply control system and method Download PDF

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Publication number
TWI336435B
TWI336435B TW093108086A TW93108086A TWI336435B TW I336435 B TWI336435 B TW I336435B TW 093108086 A TW093108086 A TW 093108086A TW 93108086 A TW93108086 A TW 93108086A TW I336435 B TWI336435 B TW I336435B
Authority
TW
Taiwan
Prior art keywords
signal
power supply
clock
function
control system
Prior art date
Application number
TW093108086A
Other languages
English (en)
Chinese (zh)
Other versions
TW200506592A (en
Inventor
Run Sheng He
Sutardja Sehat
Original Assignee
Marvell World Trade 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
Application filed by Marvell World Trade Ltd filed Critical Marvell World Trade Ltd
Publication of TW200506592A publication Critical patent/TW200506592A/zh
Application granted granted Critical
Publication of TWI336435B publication Critical patent/TWI336435B/zh

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F5/00—Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated 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
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0016—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters
    • H02M1/0019—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters the disturbance parameters being load current fluctuations

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Sources (AREA)
  • Dc-Dc Converters (AREA)
  • Direct Current Feeding And Distribution (AREA)
TW093108086A 2003-04-30 2004-03-25 Pre-emptive power supply control system and method TWI336435B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/426,745 US7454643B2 (en) 2003-04-30 2003-04-30 Pre-emptive power supply control system and method

Publications (2)

Publication Number Publication Date
TW200506592A TW200506592A (en) 2005-02-16
TWI336435B true TWI336435B (en) 2011-01-21

Family

ID=32990424

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093108086A TWI336435B (en) 2003-04-30 2004-03-25 Pre-emptive power supply control system and method

Country Status (6)

Country Link
US (4) US7454643B2 (enExample)
EP (1) EP1473607B1 (enExample)
JP (1) JP4753543B2 (enExample)
CN (1) CN1542581B (enExample)
DE (1) DE602004031686D1 (enExample)
TW (1) TWI336435B (enExample)

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US7454643B2 (en) 2003-04-30 2008-11-18 Marvell World Trade Ltd. Pre-emptive power supply control system and method
US8237386B2 (en) 2003-08-15 2012-08-07 Apple Inc. Methods and apparatuses for operating a data processing system
US20060207268A1 (en) * 2005-03-17 2006-09-21 International Business Machines Corporation System and method for increasing the efficiency of a thermal management profile
US7441137B1 (en) * 2005-07-25 2008-10-21 Nvidia Corporation Voltage regulator with internal controls for adjusting output based on feed-forward load information
US7421604B1 (en) * 2005-07-25 2008-09-02 Nvidia Corporation Advanced voltage regulation using feed-forward load information
US7562234B2 (en) * 2005-08-25 2009-07-14 Apple Inc. Methods and apparatuses for dynamic power control
US7529948B2 (en) * 2005-08-25 2009-05-05 Apple Inc. Methods and apparatuses for dynamic power estimation
US8374730B2 (en) * 2005-08-25 2013-02-12 Apple Inc. Methods and apparatuses for dynamic thermal control
US7768287B2 (en) * 2006-01-27 2010-08-03 Sony Computer Enterainment Inc. Methods and apparatus for managing defective processors through power gating
US7486060B1 (en) 2006-03-30 2009-02-03 Western Digital Technologies, Inc. Switching voltage regulator comprising a cycle comparator for dynamic voltage scaling
US8099619B2 (en) 2006-09-28 2012-01-17 Intel Corporation Voltage regulator with drive override
KR100852188B1 (ko) * 2007-02-27 2008-08-13 삼성전자주식회사 동적 전압 스케일링 시스템 및 방법
KR100968202B1 (ko) * 2007-12-12 2010-07-06 한국전자통신연구원 소비전력 감소를 위한 클러스터 시스템 및 그의 전원 관리방법
US9519300B2 (en) * 2007-12-20 2016-12-13 Ken Tsz Kin Mok Reducing cross-regulation interferences between voltage regulators
US7949889B2 (en) * 2008-01-07 2011-05-24 Apple Inc. Forced idle of a data processing system
US7949888B2 (en) * 2008-01-07 2011-05-24 Apple Inc. Forced idle of a data processing system
US8315746B2 (en) 2008-05-30 2012-11-20 Apple Inc. Thermal management techniques in an electronic device
US8306772B2 (en) 2008-10-13 2012-11-06 Apple Inc. Method for estimating temperature at a critical point
DE102008054067B4 (de) * 2008-10-31 2010-09-16 Advanced Micro Devices, Inc., Sunnyvale Kompensation der Verringerung der Arbeitsgeschwindigkeit abhängig von der Betriebszeit durch einen Modus mit konstanter Gesamtchipleistung
TWM365529U (en) * 2009-04-03 2009-09-21 Genesys Logic Inc Data access apparatus and processing system using the same
US8365006B2 (en) * 2010-07-14 2013-01-29 International Business Machines Corporation Preventing circumvention of function disablement in an information handling system
EP2798884A4 (en) 2011-12-27 2015-09-09 Intel Corp MULTIMODAL VOLTAGE CONTROL WITH FEEDBACK
KR101682779B1 (ko) 2011-12-27 2016-12-05 인텔 코포레이션 게이팅된 도메인의 부하 조건들에 기초하여 게이팅된 도메인의 활성 상태 동안 전력 게이트들을 제어하기 위한 방법들 및 시스템들
EP2648323B1 (en) 2012-04-03 2018-09-05 Nxp B.V. Switched-Mode Power Supply with Feedforward Control based on Load Setpoint
JP6618455B2 (ja) 2016-11-28 2019-12-11 日立オートモティブシステムズ株式会社 電子制御装置、車載システム、および電源制御方法
JP2023132600A (ja) * 2022-03-11 2023-09-22 株式会社リコー 電子機器、画像形成装置および電子機器の電源制御方法

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US4980836A (en) 1988-10-14 1990-12-25 Compaq Computer Corporation Apparatus for reducing computer system power consumption
US5260644A (en) * 1992-05-29 1993-11-09 Motorola, Inc. Self-adjusting shunt regulator and method
JPH1166563A (ja) * 1997-06-11 1999-03-09 Matsushita Electric Ind Co Ltd 光ディスク装置
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US6134666A (en) 1998-03-12 2000-10-17 Cisco Technology, Inc. Power supervisor for electronic modular system
JP4274597B2 (ja) * 1998-05-29 2009-06-10 株式会社ルネサステクノロジ 半導体集積回路装置
JP2000057122A (ja) 1998-08-06 2000-02-25 Yamaha Corp デジタル信号処理装置
US6304978B1 (en) 1998-11-24 2001-10-16 Intel Corporation Method and apparatus for control of the rate of change of current consumption of an electronic component
US6252375B1 (en) 2000-07-24 2001-06-26 In-System Design, Inc. Power management system and current augmentation and battery charger method and apparatus for a computer peripheral
US6396725B1 (en) * 2000-07-31 2002-05-28 Mark E. Jacobs System and method for improving control loop response of a power supply
AU2002213260A1 (en) 2000-10-13 2002-04-22 Primarion, Inc. System and method for highly phased power regulation using adaptive compensation control
US7017060B2 (en) 2001-03-19 2006-03-21 Intel Corporation Power management system that changes processor level if processor utilization crosses threshold over a period that is different for switching up or down
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JP3571690B2 (ja) * 2001-12-06 2004-09-29 松下電器産業株式会社 スイッチング電源装置及びスイッチング電源用半導体装置
US6978388B1 (en) * 2002-01-18 2005-12-20 Apple Computer, Inc. Method and apparatus for managing a power load change in a system
US7454643B2 (en) 2003-04-30 2008-11-18 Marvell World Trade Ltd. Pre-emptive power supply control system and method

Also Published As

Publication number Publication date
DE602004031686D1 (de) 2011-04-21
US20060184816A1 (en) 2006-08-17
JP2004336986A (ja) 2004-11-25
US20040221182A1 (en) 2004-11-04
EP1473607B1 (en) 2011-03-09
US7454643B2 (en) 2008-11-18
CN1542581B (zh) 2010-06-16
US7472294B2 (en) 2008-12-30
US20080209240A1 (en) 2008-08-28
US7472295B2 (en) 2008-12-30
US7711972B2 (en) 2010-05-04
EP1473607A1 (en) 2004-11-03
TW200506592A (en) 2005-02-16
US20060190749A1 (en) 2006-08-24
JP4753543B2 (ja) 2011-08-24
CN1542581A (zh) 2004-11-03

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