FR2755316B1 - Regulateur de tension a selection automatique d'une tension d'alimentation la plus elevee - Google Patents

Regulateur de tension a selection automatique d'une tension d'alimentation la plus elevee

Info

Publication number
FR2755316B1
FR2755316B1 FR9613280A FR9613280A FR2755316B1 FR 2755316 B1 FR2755316 B1 FR 2755316B1 FR 9613280 A FR9613280 A FR 9613280A FR 9613280 A FR9613280 A FR 9613280A FR 2755316 B1 FR2755316 B1 FR 2755316B1
Authority
FR
France
Prior art keywords
automatic selection
voltage
supply voltage
highest supply
voltage regulator
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
FR9613280A
Other languages
English (en)
Other versions
FR2755316A1 (fr
Inventor
Marc Gens
Francois Van Zanten
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics SA
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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Priority to FR9613280A priority Critical patent/FR2755316B1/fr
Priority to US08/955,211 priority patent/US6002295A/en
Priority to DE69709029T priority patent/DE69709029D1/de
Priority to EP97410120A priority patent/EP0838745B1/fr
Publication of FR2755316A1 publication Critical patent/FR2755316A1/fr
Application granted granted Critical
Publication of FR2755316B1 publication Critical patent/FR2755316B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/59—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices including plural semiconductor devices as final control devices for a single load

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
FR9613280A 1996-10-25 1996-10-25 Regulateur de tension a selection automatique d'une tension d'alimentation la plus elevee Expired - Fee Related FR2755316B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9613280A FR2755316B1 (fr) 1996-10-25 1996-10-25 Regulateur de tension a selection automatique d'une tension d'alimentation la plus elevee
US08/955,211 US6002295A (en) 1996-10-25 1997-10-21 Voltage regulator with automatic selection of a highest supply voltage
DE69709029T DE69709029D1 (de) 1996-10-25 1997-10-24 Spannungsregler mit automatischer Auswahl der höchsten Versorgungsspannung
EP97410120A EP0838745B1 (fr) 1996-10-25 1997-10-24 Régulateur de tension à sélection automatique d'une tension d'alimentation la plus élevée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9613280A FR2755316B1 (fr) 1996-10-25 1996-10-25 Regulateur de tension a selection automatique d'une tension d'alimentation la plus elevee

Publications (2)

Publication Number Publication Date
FR2755316A1 FR2755316A1 (fr) 1998-04-30
FR2755316B1 true FR2755316B1 (fr) 1999-01-15

Family

ID=9497197

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9613280A Expired - Fee Related FR2755316B1 (fr) 1996-10-25 1996-10-25 Regulateur de tension a selection automatique d'une tension d'alimentation la plus elevee

Country Status (4)

Country Link
US (1) US6002295A (fr)
EP (1) EP0838745B1 (fr)
DE (1) DE69709029D1 (fr)
FR (1) FR2755316B1 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2798014B1 (fr) 1999-08-31 2002-03-29 St Microelectronics Sa Circuit d'alimentation a selecteur de tension
JP3540231B2 (ja) * 2000-01-31 2004-07-07 沖電気工業株式会社 クランプ回路及び非接触式通信用インターフェース回路
JP3696470B2 (ja) 2000-02-22 2005-09-21 富士通株式会社 Ｄｃ−ｄｃ変換回路、電源選択回路、および機器装置
US6686789B2 (en) * 2002-03-28 2004-02-03 Agere Systems, Inc. Dynamic low power reference circuit
US6642750B1 (en) * 2002-04-15 2003-11-04 International Business Machines Corporation Sequencing circuit for applying a highest voltage source to a chip
US6819165B2 (en) * 2002-05-30 2004-11-16 Analog Devices, Inc. Voltage regulator with dynamically boosted bias current
US6897715B2 (en) * 2002-05-30 2005-05-24 Analog Devices, Inc. Multimode voltage regulator
US6744151B2 (en) * 2002-09-13 2004-06-01 Analog Devices, Inc. Multi-channel power supply selector
US6815998B1 (en) * 2002-10-22 2004-11-09 Xilinx, Inc. Adjustable-ratio global read-back voltage generator
US20040124909A1 (en) * 2002-12-31 2004-07-01 Haider Nazar Syed Arrangements providing safe component biasing
US6753722B1 (en) * 2003-01-30 2004-06-22 Xilinx, Inc. Method and apparatus for voltage regulation within an integrated circuit
TWI293464B (en) * 2003-07-08 2008-02-11 Winbond Electronics Corp Two phase internal voltage generator
US6995599B2 (en) * 2003-08-26 2006-02-07 Texas Instruments Incorporated Cross-conduction blocked power selection comparison/control circuitry with NTC (negative temperature coefficient) trip voltage
DE102004022425B4 (de) * 2004-05-06 2006-12-28 Infineon Technologies Ag Integrierte Schaltungsanordnung zur Stabilisierung einer Spannung
US7675282B2 (en) 2006-10-10 2010-03-09 Infineon Technologies Ag Dual mode chip card voltage regulation circuit and method
TW200828224A (en) * 2006-12-29 2008-07-01 Innolux Display Corp Liquid crystal display
US7586357B2 (en) * 2007-01-12 2009-09-08 Texas Instruments Incorporated Systems for providing a constant resistance
FR2916288B1 (fr) * 2007-05-18 2009-08-21 Commissariat Energie Atomique Dispositif d'alimentation d'un circuit electronique et circuit electronique
KR101286241B1 (ko) * 2007-11-26 2013-07-15 삼성전자주식회사 최대 전압 선택회로
CN101465559A (zh) * 2007-12-19 2009-06-24 鸿富锦精密工业（深圳）有限公司 双重电源转换电路
EP2180392A1 (fr) * 2008-10-22 2010-04-28 Micronas GmbH Alimentation en courant électrique
CN102545293B (zh) * 2010-12-29 2016-03-23 华润矽威科技（上海）有限公司 低成本带电平补偿的多路电压信号自动选高电路
US9329649B2 (en) * 2012-11-21 2016-05-03 Stmicroelectronics S.R.L. Dual input single output regulator for an inertial sensor
JP6441619B2 (ja) 2014-09-03 2018-12-19 ルネサスエレクトロニクス株式会社 半導体装置
KR102365143B1 (ko) 2015-09-22 2022-02-18 삼성전자주식회사 멀티-파워와 게인-부스팅 기술을 이용하는 전압 레귤레이터와 이를 포함하는 모바일 장치들
EP3208748B1 (fr) * 2016-02-19 2019-06-12 Nxp B.V. Circuit de commutation d'alimentation
FR3051570B1 (fr) * 2016-05-23 2019-11-22 STMicroelectronics (Alps) SAS Dispositif de regulation a faible chute de tension, en particulier capable de supporter des tensions d'alimentation compatibles avec la norme usb type c
US11599133B2 (en) * 2021-07-13 2023-03-07 Globalfoundries U.S. Inc. Power supply with integrated voltage regulator and current limiter and method
EP4235500A1 (fr) * 2022-02-25 2023-08-30 STMicroelectronics razvoj polprevodnikov d.o.o. Régulateur de carte ci

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617473A (en) * 1984-01-03 1986-10-14 Intersil, Inc. CMOS backup power switching circuit
US4686388A (en) * 1985-03-12 1987-08-11 Pitney Bowes Inc. Integrated circuit substrate bias selection circuit
JPS63245236A (ja) * 1987-03-31 1988-10-12 株式会社東芝 電源切替回路
US4779037A (en) * 1987-11-17 1988-10-18 National Semiconductor Corporation Dual input low dropout voltage regulator
JP2733796B2 (ja) * 1990-02-13 1998-03-30 セイコーインスツルメンツ株式会社 スイッチ回路
US5103157A (en) * 1990-07-10 1992-04-07 National Semiconductor Corp. Common emitter amplifiers operating from a multiplicity of power supplies
JP2973063B2 (ja) * 1992-10-27 1999-11-08 セイコーインスツルメンツ株式会社 スイッチ回路
US5341034A (en) * 1993-02-11 1994-08-23 Benchmarq Microelectronics, Inc. Backup battery power controller having channel regions of transistors being biased by power supply or battery
FR2735927B1 (fr) * 1995-06-21 1997-08-01 Sgs Thomson Microelectronics Circuit de commutation permettant de fournir selectivement des tensions de signes differents
US5748033A (en) * 1996-03-26 1998-05-05 Intel Corporation Differential power bus comparator

Also Published As

Publication number Publication date
EP0838745A1 (fr) 1998-04-29
FR2755316A1 (fr) 1998-04-30
EP0838745B1 (fr) 2001-12-12
DE69709029D1 (de) 2002-01-24
US6002295A (en) 1999-12-14

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Legal Events

Date Code Title Description
ST Notification of lapse