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 (OSRAM)
EP (1) EP1473607B1 (OSRAM)
JP (1) JP4753543B2 (OSRAM)
CN (1) CN1542581B (OSRAM)
DE (1) DE602004031686D1 (OSRAM)
TW (1) TWI336435B (OSRAM)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7529948B2 (en) * 2005-08-25 2009-05-05 Apple Inc. Methods and apparatuses for dynamic power estimation
US7562234B2 (en) * 2005-08-25 2009-07-14 Apple Inc. Methods and apparatuses for dynamic power control
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
US7949888B2 (en) * 2008-01-07 2011-05-24 Apple Inc. Forced idle of a data processing system
US7949889B2 (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
WO2013100890A1 (en) 2011-12-27 2013-07-04 Intel Corporation Methods and systems to control power gates during an active state of a gated domain based on load conditions of the gated domain
WO2013101718A1 (en) 2011-12-27 2013-07-04 Intel Corporation Multi-mode voltage regulation with feedback
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
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US5987615A (en) * 1997-12-22 1999-11-16 Stmicroelectronics, Inc. Programmable load transient compensator for reducing the transient response time to a load capable of operating at multiple power consumption levels
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US6396725B1 (en) * 2000-07-31 2002-05-28 Mark E. Jacobs System and method for improving control loop response of a power supply
JP2004529400A (ja) 2000-10-13 2004-09-24 プリマリオン， インコーポレイテッド 適応補償制御を用いる高度にフェーズ化されたパワーレギュレーションシステムおよびその方法
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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
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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
TW200506592A (en) 2005-02-16
US7454643B2 (en) 2008-11-18
US20040221182A1 (en) 2004-11-04
EP1473607A1 (en) 2004-11-03
US7711972B2 (en) 2010-05-04
DE602004031686D1 (de) 2011-04-21
US20080209240A1 (en) 2008-08-28
US20060190749A1 (en) 2006-08-24
JP2004336986A (ja) 2004-11-25
US20060184816A1 (en) 2006-08-17
EP1473607B1 (en) 2011-03-09
JP4753543B2 (ja) 2011-08-24
US7472294B2 (en) 2008-12-30
CN1542581A (zh) 2004-11-03
US7472295B2 (en) 2008-12-30
CN1542581B (zh) 2010-06-16

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