JP5289575B2 - プロセッサ及びプロセッサに電源電圧を与える電圧変換器を有するシステムにおける電力管理 - Google Patents
プロセッサ及びプロセッサに電源電圧を与える電圧変換器を有するシステムにおける電力管理 Download PDFInfo
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- JP5289575B2 JP5289575B2 JP2011531004A JP2011531004A JP5289575B2 JP 5289575 B2 JP5289575 B2 JP 5289575B2 JP 2011531004 A JP2011531004 A JP 2011531004A JP 2011531004 A JP2011531004 A JP 2011531004A JP 5289575 B2 JP5289575 B2 JP 5289575B2
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- Prior art keywords
- processor
- voltage
- converter
- power supply
- power
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- Legal status (The legal status 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 status listed.)
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating voltage
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Power Sources (AREA)
Description
Claims (9)
- プロセッサ(100)を有するシステム内の電力を管理する装置であって、
前記プロセッサに電源電圧を与える電圧変換器(103)であって、前記プロセッサは種々の電力モード間を移行することができ、前記電圧変換器は、前記電力モードのうちの少なくとも2つに対して前記電源電圧の異なる電圧レベルを指定する指示を受信する、電圧変換器と、
前記プロセッサによって前記電源電圧から引き出される電流が所定のしきい値未満であるか否かを判断する回路と、
コントローラ(104)であって、
前記指示に基づいて、前記プロセッサが前記電力モードのうちの低い方の電力モードに移行することを検出すると共に、
前記プロセッサが前記電力モードのうちの前記低い方の電力モードに移行することの検出、及び前記電源電圧から前記プロセッサによって引き出される電流が前記所定のしきい値よりも低いという第2の指示を前記回路から受信することの双方に応答して、前記電圧変換器の少なくとも一部をディセーブルにする、コントローラと、
を備えている、装置。 - 前記電力モードが、スリープ状態と、少なくとも1つのパフォーマンス状態とを含み、前記電力モードのうちの前記低い方の電力モードは前記スリープ状態を含み、前記電圧変換器の前記少なくとも一部は、前記プロセッサの前記スリープ状態への移行の検出に応答してディセーブルにされる、請求項1に記載の装置。
- 前記電圧変換器は、前記指示に応答して、前記プロセッサへの前記電源電圧を、前記スリープ状態の場合に第1の電圧レベルに設定し、前記少なくとも1つのパフォーマンス状態の場合に第2の電圧レベルに設定するように制御可能であり、前記第2の電圧レベルは前記第1の電圧レベルよりも高い、請求項2に記載の装置。
- 前記指示が前記プロセッサからの電圧制御信号を含む、請求項3に記載の装置。
- 前記電圧制御信号を異なる値に設定して前記電圧変換器が前記プロセッサへの前記電源電圧を前記第1の電圧レベル及び前記第2の電圧レベルに設定するように、前記プロセッサ上で実行可能なファームウエアをさらに備えている、請求項4に記載の装置。
- 前記電圧変換器は多相変換器であり、前記電圧変換器の前記ディセーブルにされる少なくとも1つの部分は、前記電圧変換器のディセーブルにされる少なくとも1つの相を含む、請求項1に記載の装置。
- 前記電圧変換器の前記ディセーブルにされる少なくとも1つの相は、前記電圧変換器内のディセーブルにされる少なくとも1つのDC−DC変換器を含む、請求項6に記載の装置。
- 少なくとも1つのパフォーマンス状態及びスリープ状態を有するプロセッサ(100)の電力管理の方法であって、
前記プロセッサへの電源電圧の電圧レベルが第1のレベルに下げられつつあるという指示を検出することによって、前記プロセッサが前記スリープ状態に入ったことを検出するステップであって、前記プロセッサの前記パフォーマンス状態は、前記第1のレベルとは異なる第2のレベルにある、前記プロセッサへの前記電源電圧に関連付けられる、検出するステップと、
前記プロセッサによって引き出される電流の指示を受信するステップと、
前記プロセッサが前記スリープ状態に入ったこと、及び前記プロセッサによって引き出される電流が所定のしきい値未満であることの検出に応答して、前記プロセッサに前記電源電圧を供給する多相変換器の少なくとも1つの相をディセーブルにするステップと、
を含む、方法。 - 前記少なくとも1つのパフォーマンス状態及び前記スリープ状態のために前記電源電圧の異なる電圧レベルを規定するように前記プロセッサをプログラムするステップをさらに含む、請求項8に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2008/079035 WO2010042108A1 (en) | 2008-10-07 | 2008-10-07 | Power management in a system having a processor and a voltage converter that provides a power voltage to the processor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012505468A JP2012505468A (ja) | 2012-03-01 |
JP5289575B2 true JP5289575B2 (ja) | 2013-09-11 |
Family
ID=42100854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011531004A Expired - Fee Related JP5289575B2 (ja) | 2008-10-07 | 2008-10-07 | プロセッサ及びプロセッサに電源電圧を与える電圧変換器を有するシステムにおける電力管理 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20110179299A1 (ja) |
JP (1) | JP5289575B2 (ja) |
KR (1) | KR101450381B1 (ja) |
CN (1) | CN102177483B (ja) |
BR (1) | BRPI0822804A2 (ja) |
DE (1) | DE112008004030B4 (ja) |
GB (1) | GB2475461B (ja) |
TW (1) | TWI515552B (ja) |
WO (1) | WO2010042108A1 (ja) |
Families Citing this family (14)
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CN102804100B (zh) | 2010-03-24 | 2016-03-30 | 惠普发展公司,有限责任合伙企业 | 功率封顶反馈归一化 |
US9106201B1 (en) * | 2010-06-23 | 2015-08-11 | Volterra Semiconductor Corporation | Systems and methods for DC-to-DC converter control |
TWI495995B (zh) * | 2010-07-22 | 2015-08-11 | Asustek Comp Inc | 具節能功能之電源系統 |
DE102012106261A1 (de) | 2012-07-12 | 2014-01-16 | Hella Kgaa Hueck & Co. | Gleichspannungswandler-Schaltungsanordnung |
US9354679B2 (en) * | 2012-12-28 | 2016-05-31 | Intel Corporation | System and method for causing reduced power consumption associated with thermal remediation |
DE102013101400A1 (de) | 2013-02-13 | 2014-08-14 | Hella Kgaa Hueck & Co. | Gleichspannungswandler |
WO2014182793A1 (en) * | 2013-05-07 | 2014-11-13 | University Of Central Florida Research Foundation, Inc. | Power inverter implementing phase skipping control |
DE102013104751A1 (de) | 2013-05-08 | 2014-11-13 | Hella Kgaa Hueck & Co. | Steuervorrichtung für einen Mehrphasen-Gleichspannungswandler |
US20170160782A1 (en) * | 2015-12-07 | 2017-06-08 | Mediatek Inc. | Share power source mechanism in a multicore processor system |
US10200130B2 (en) * | 2016-02-19 | 2019-02-05 | Mitsubishi Electric Corporation | Optical transmitter |
DE102016224618A1 (de) * | 2016-12-09 | 2018-06-14 | Bayerische Motoren Werke Aktiengesellschaft | Fahrzeug-Bordnetz mit hoher Verfügbarkeit |
WO2021154302A1 (en) * | 2020-01-31 | 2021-08-05 | Hewlett-Packard Development Company, L.P. | Power supply units |
US20230031388A1 (en) * | 2021-07-30 | 2023-02-02 | Advanced Micro Devices, Inc. | On-demand ip initialization within power states |
US11815981B2 (en) * | 2022-03-08 | 2023-11-14 | Cypress Semiconductor Corporation | Flexible and optimized power management unit (PMU) for multiple power supply scenarios |
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KR100424484B1 (ko) * | 2001-07-05 | 2004-03-24 | 엘지전자 주식회사 | 중앙 처리 장치용 전원 공급기 |
US6839854B2 (en) * | 2001-08-27 | 2005-01-04 | Intel Corporation | Voltage regulation for computer system components that increases voltage level when a component enters a sleep state as indicated by a power state status signal |
US6978388B1 (en) * | 2002-01-18 | 2005-12-20 | Apple Computer, Inc. | Method and apparatus for managing a power load change in a system |
JP3673245B2 (ja) * | 2002-06-28 | 2005-07-20 | 株式会社東芝 | 情報処理装置および同装置における電源制御方法 |
US7120804B2 (en) * | 2002-12-23 | 2006-10-10 | Intel Corporation | Method and apparatus for reducing power consumption through dynamic control of supply voltage and body bias including maintaining a substantially constant operating frequency |
US7334141B2 (en) * | 2003-04-23 | 2008-02-19 | Dell Products L.P. | Method of saving energy in an information handling system by controlling a main converter based on the amount of power drawn by the system |
KR101136036B1 (ko) * | 2003-12-24 | 2012-04-18 | 삼성전자주식회사 | 유휴 모드에서의 전력 소모가 감소된 프로세서 시스템 및그 방법 |
US7268527B2 (en) * | 2004-03-11 | 2007-09-11 | Semtech Corporation | Method and apparatus for determining load current in a CPU core voltage regulator |
US7401241B2 (en) * | 2004-06-22 | 2008-07-15 | Intel Corporation | Controlling standby power of low power devices |
US7492134B2 (en) * | 2004-07-02 | 2009-02-17 | Primarion, Inc. | Multiphase power regulator with load adaptive phase control |
KR100672989B1 (ko) * | 2004-12-22 | 2007-01-24 | 삼성전자주식회사 | 파워다운 모드에서 레귤레이터에 의한 전력 소모를방지하는 전자장치 및 전력 소모 방지 방법 |
US7414383B2 (en) * | 2006-05-12 | 2008-08-19 | Intel Corporation | Multi-phase voltage regulator with phases ordered by lowest phase current |
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US8618788B2 (en) * | 2007-03-30 | 2013-12-31 | Malay Trivedi | Dynamically adjusted multi-phase regulator |
-
2008
- 2008-10-07 GB GB1104971.5A patent/GB2475461B/en not_active Expired - Fee Related
- 2008-10-07 JP JP2011531004A patent/JP5289575B2/ja not_active Expired - Fee Related
- 2008-10-07 KR KR1020117007950A patent/KR101450381B1/ko active IP Right Grant
- 2008-10-07 CN CN200880131447.5A patent/CN102177483B/zh not_active Expired - Fee Related
- 2008-10-07 US US13/120,652 patent/US20110179299A1/en not_active Abandoned
- 2008-10-07 DE DE112008004030T patent/DE112008004030B4/de not_active Expired - Fee Related
- 2008-10-07 WO PCT/US2008/079035 patent/WO2010042108A1/en active Application Filing
- 2008-10-07 BR BRPI0822804-3A patent/BRPI0822804A2/pt not_active Application Discontinuation
-
2009
- 2009-09-29 TW TW098132906A patent/TWI515552B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2010042108A1 (en) | 2010-04-15 |
GB2475461B (en) | 2012-10-10 |
GB201104971D0 (en) | 2011-05-11 |
TWI515552B (zh) | 2016-01-01 |
TW201020757A (en) | 2010-06-01 |
JP2012505468A (ja) | 2012-03-01 |
US20110179299A1 (en) | 2011-07-21 |
DE112008004030T5 (de) | 2011-09-29 |
BRPI0822804A2 (pt) | 2015-06-30 |
CN102177483B (zh) | 2015-07-22 |
CN102177483A (zh) | 2011-09-07 |
KR20110082132A (ko) | 2011-07-18 |
KR101450381B1 (ko) | 2014-10-14 |
GB2475461A (en) | 2011-05-18 |
DE112008004030B4 (de) | 2012-08-30 |
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