CN104137021B - 用于负载开关控制器的方法和装置 - Google Patents

用于负载开关控制器的方法和装置 Download PDF

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Publication number
CN104137021B
CN104137021B CN201380010701.7A CN201380010701A CN104137021B CN 104137021 B CN104137021 B CN 104137021B CN 201380010701 A CN201380010701 A CN 201380010701A CN 104137021 B CN104137021 B CN 104137021B
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CN
China
Prior art keywords
circuit
voltage
control signal
slew rate
load switch
Prior art date
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Active
Application number
CN201380010701.7A
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English (en)
Chinese (zh)
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CN104137021A (zh
Inventor
C·S·沈
A·侯赛因
T·J·奥布莱恩
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN104137021A publication Critical patent/CN104137021A/zh
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Publication of CN104137021B publication Critical patent/CN104137021B/zh
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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01Shaping pulses
    • H03K5/12Shaping pulses by steepening leading or trailing edges
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/263Arrangements for using multiple switchable power supplies, e.g. battery and AC
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • G06F1/3287Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Power Sources (AREA)
  • Electronic Switches (AREA)
  • Logic Circuits (AREA)
CN201380010701.7A 2012-02-24 2013-02-25 用于负载开关控制器的方法和装置 Active CN104137021B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201261603135P 2012-02-24 2012-02-24
US61/603,135 2012-02-24
US201261611414P 2012-03-15 2012-03-15
US61/611,414 2012-03-15
US13/776,274 US9312835B2 (en) 2012-02-24 2013-02-25 Load switch controller with slew rate control
US13/776,274 2013-02-25
PCT/US2013/027678 WO2013126901A1 (en) 2012-02-24 2013-02-25 Method and apparatus for load switch controller

Publications (2)

Publication Number Publication Date
CN104137021A CN104137021A (zh) 2014-11-05
CN104137021B true CN104137021B (zh) 2017-12-01

Family

ID=49002174

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380010701.7A Active CN104137021B (zh) 2012-02-24 2013-02-25 用于负载开关控制器的方法和装置

Country Status (6)

Country Link
US (1) US9312835B2 (enExample)
EP (1) EP2817690B1 (enExample)
JP (1) JP6189340B2 (enExample)
KR (1) KR102109220B1 (enExample)
CN (1) CN104137021B (enExample)
WO (1) WO2013126901A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013138709A1 (en) 2012-03-15 2013-09-19 Qualcomm Incorporated Method and apparatus for load switch controller with tracking to support ddr termination
JP6684745B2 (ja) 2017-03-29 2020-04-22 キオクシア株式会社 半導体装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040217750A1 (en) * 2003-05-02 2004-11-04 Brown David Alan Sequencing power supplies
CN101142543A (zh) * 2005-02-14 2008-03-12 高通股份有限公司 用于启用各个电源域的分布式馈电电源开关电路
US20090271642A1 (en) * 2008-04-28 2009-10-29 Delta Electronics, Inc. Power management system capable of saving power and optimizing operating efficiency of power supplies for providing power with back-up or redundancy to plural loads
US20100052755A1 (en) * 2008-08-28 2010-03-04 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Slew rate control for a load switch
US20110078470A1 (en) * 2009-09-25 2011-03-31 Ligong Wang Flexible cell battery systems and methods for powering information handling systems

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JPH0469053A (ja) * 1990-06-29 1992-03-04 Matsushita Electric Ind Co Ltd A/dコンバータ内蔵型dc―dcコンバータ
JPH0795724A (ja) * 1993-09-20 1995-04-07 Fujitsu Ltd 電源異常検出機能付き電源装置
JP3609206B2 (ja) * 1995-06-16 2005-01-12 富士通株式会社 電源制御装置、負荷試験方法及び電子機器
JP3480721B2 (ja) * 2001-02-22 2003-12-22 Necパーソナルプロダクツ株式会社 電源オン/オフシーケンス制御装置
JP4607608B2 (ja) * 2005-02-04 2011-01-05 株式会社東芝 半導体集積回路
JP4835064B2 (ja) * 2005-08-04 2011-12-14 富士電機株式会社 Dc−dcコンバータ
JP2008034667A (ja) * 2006-07-31 2008-02-14 Renesas Technology Corp 半導体集積回路装置
US20080059816A1 (en) * 2006-08-30 2008-03-06 Frank Patrick Paniagua Power supply capable of receiving digital communications from electronic devices
TWI321403B (en) * 2006-08-30 2010-03-01 Novatek Microelectronics Corp Overdrive digital-to-analog converter, source driver and method thereof
US7902800B2 (en) * 2007-07-13 2011-03-08 Chil Semiconductor Corporation Adaptive power supply and related circuitry
JP5263933B2 (ja) * 2008-03-19 2013-08-14 日本電気通信システム株式会社 マルチ電源装置、該装置に用いられる電力供給方法、及び電力供給制御プログラム
EP2120123A1 (en) * 2008-05-12 2009-11-18 Stmicroelectronics SA Slew rate control
US8901904B2 (en) * 2009-04-15 2014-12-02 Linear Technology Corporation Voltage and current regulators with switched output capacitors for multiple regulation states
JP5486967B2 (ja) * 2010-03-12 2014-05-07 株式会社日立製作所 情報処理装置
JP2012034496A (ja) * 2010-07-30 2012-02-16 Canon Inc 高電圧発生装置及び画像形成装置
JP5623175B2 (ja) * 2010-07-30 2014-11-12 キヤノン株式会社 高電圧発生装置並びに画像形成装置、高電圧発生装置の電圧制御方法
KR20130071791A (ko) * 2011-12-21 2013-07-01 삼성전자주식회사 슬루율 제어가 가능한 게이트 라인 드라이버
WO2013138709A1 (en) * 2012-03-15 2013-09-19 Qualcomm Incorporated Method and apparatus for load switch controller with tracking to support ddr termination

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040217750A1 (en) * 2003-05-02 2004-11-04 Brown David Alan Sequencing power supplies
CN101142543A (zh) * 2005-02-14 2008-03-12 高通股份有限公司 用于启用各个电源域的分布式馈电电源开关电路
US20090271642A1 (en) * 2008-04-28 2009-10-29 Delta Electronics, Inc. Power management system capable of saving power and optimizing operating efficiency of power supplies for providing power with back-up or redundancy to plural loads
US20100052755A1 (en) * 2008-08-28 2010-03-04 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Slew rate control for a load switch
US20110078470A1 (en) * 2009-09-25 2011-03-31 Ligong Wang Flexible cell battery systems and methods for powering information handling systems

Also Published As

Publication number Publication date
US9312835B2 (en) 2016-04-12
WO2013126901A1 (en) 2013-08-29
CN104137021A (zh) 2014-11-05
KR20140133863A (ko) 2014-11-20
WO2013126901A9 (en) 2016-11-10
JP6189340B2 (ja) 2017-08-30
EP2817690B1 (en) 2021-07-14
EP2817690A1 (en) 2014-12-31
US20130222028A1 (en) 2013-08-29
JP2015515172A (ja) 2015-05-21
KR102109220B1 (ko) 2020-05-11

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