GB2412972B - Mechanism for estimating and controlling di/dt-induced power supply voltage variations - Google Patents

Mechanism for estimating and controlling di/dt-induced power supply voltage variations

Info

Publication number
GB2412972B
GB2412972B GB0512838A GB0512838A GB2412972B GB 2412972 B GB2412972 B GB 2412972B GB 0512838 A GB0512838 A GB 0512838A GB 0512838 A GB0512838 A GB 0512838A GB 2412972 B GB2412972 B GB 2412972B
Authority
GB
United Kingdom
Prior art keywords
estimating
controlling
power supply
supply voltage
voltage variations
Prior art date
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.)
Expired - Fee Related
Application number
GB0512838A
Other versions
GB2412972A (en
GB0512838D0 (en
Inventor
Edward T Grochowski
David Sager
Vivek Tiwari
Ian A Young
David J Ayers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Corp
Original Assignee
Intel 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
Priority claimed from US10/040,582 external-priority patent/US7035785B2/en
Application filed by Intel Corp filed Critical Intel Corp
Publication of GB0512838D0 publication Critical patent/GB0512838D0/en
Publication of GB2412972A publication Critical patent/GB2412972A/en
Application granted granted Critical
Publication of GB2412972B publication Critical patent/GB2412972B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06F1/3237—Power saving characterised by the action undertaken by disabling clock generation or distribution
    • 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
    • G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
    • 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
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • 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
GB0512838A 2001-12-28 2002-12-11 Mechanism for estimating and controlling di/dt-induced power supply voltage variations Expired - Fee Related GB2412972B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/040,582 US7035785B2 (en) 2001-12-28 2001-12-28 Mechanism for estimating and controlling di/dt-induced power supply voltage variations
GB0414214A GB2400459B (en) 2001-12-28 2002-12-11 Mechanism for estimating and controlling di/dt-induced power supply voltage variations

Publications (3)

Publication Number Publication Date
GB0512838D0 GB0512838D0 (en) 2005-08-03
GB2412972A GB2412972A (en) 2005-10-12
GB2412972B true GB2412972B (en) 2006-01-04

Family

ID=35057127

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0512838A Expired - Fee Related GB2412972B (en) 2001-12-28 2002-12-11 Mechanism for estimating and controlling di/dt-induced power supply voltage variations

Country Status (1)

Country Link
GB (1) GB2412972B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9400295B2 (en) * 2013-05-09 2016-07-26 Qualcomm Incorporated Method and devices for non-intrusive power monitoring

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5948106A (en) * 1997-06-25 1999-09-07 Sun Microsystems, Inc. System for thermal overload detection and prevention for an integrated circuit processor
WO2001048584A1 (en) * 1999-12-23 2001-07-05 Intel Corporation Microprocessor with digital power throttle
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
WO2002003185A2 (en) * 2000-06-30 2002-01-10 Intel Corporation MECHANISM TO CONTROL di/dt FOR A MICROPROCESSOR

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5948106A (en) * 1997-06-25 1999-09-07 Sun Microsystems, Inc. System for thermal overload detection and prevention for an integrated circuit processor
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
WO2001048584A1 (en) * 1999-12-23 2001-07-05 Intel Corporation Microprocessor with digital power throttle
WO2002003185A2 (en) * 2000-06-30 2002-01-10 Intel Corporation MECHANISM TO CONTROL di/dt FOR A MICROPROCESSOR

Also Published As

Publication number Publication date
GB2412972A (en) 2005-10-12
GB0512838D0 (en) 2005-08-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20171211