FR3102621B1 - Comparateur de tension - Google Patents

Comparateur de tension Download PDF

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Publication number
FR3102621B1
FR3102621B1 FR1911934A FR1911934A FR3102621B1 FR 3102621 B1 FR3102621 B1 FR 3102621B1 FR 1911934 A FR1911934 A FR 1911934A FR 1911934 A FR1911934 A FR 1911934A FR 3102621 B1 FR3102621 B1 FR 3102621B1
Authority
FR
France
Prior art keywords
voltage comparator
capacitor
switch
comparator
current source
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.)
Active
Application number
FR1911934A
Other languages
English (en)
Other versions
FR3102621A1 (fr
Inventor
Helene Esch
David Chesneau
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 Grenoble 2 SAS
Original Assignee
STMicroelectronics Grenoble 2 SAS
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 STMicroelectronics Grenoble 2 SAS filed Critical STMicroelectronics Grenoble 2 SAS
Priority to FR1911934A priority Critical patent/FR3102621B1/fr
Priority to US17/078,317 priority patent/US11539356B2/en
Priority to CN202022399203.6U priority patent/CN213846639U/zh
Priority to CN202011154073.8A priority patent/CN112713882A/zh
Publication of FR3102621A1 publication Critical patent/FR3102621A1/fr
Application granted granted Critical
Publication of FR3102621B1 publication Critical patent/FR3102621B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H03K5/2472—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors
    • 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
    • G05F1/561—Voltage to current converters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
    • 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
    • H02M3/00—Conversion of dc power input into dc power 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0822—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in field-effect transistor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/0021—Modifications of threshold
    • H03K19/0027—Modifications of threshold in field effect transistor circuits
    • 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
    • H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Dc-Dc Converters (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

Comparateur de tension La présente description concerne un comparateur de tension (400) comprenant : un premier interrupteur (401) dont une borne de conduction est connectée à un noeud interne (309) ; une source de courant (405) ; une capacité (403) ; et un deuxième interrupteur (407) connecté en parallèle de la capacité (403), dans lequel la source de courant (403), la capacité (403) et le premier interrupteur (401) sont connectés en série. La présente description concerne en outre un convertisseur de tension comprenant un tel comparateur. Figure pour l'abrégé : Fig. 4
FR1911934A 2019-10-24 2019-10-24 Comparateur de tension Active FR3102621B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1911934A FR3102621B1 (fr) 2019-10-24 2019-10-24 Comparateur de tension
US17/078,317 US11539356B2 (en) 2019-10-24 2020-10-23 Voltage comparator
CN202022399203.6U CN213846639U (zh) 2019-10-24 2020-10-26 电压比较器以及电压转换器
CN202011154073.8A CN112713882A (zh) 2019-10-24 2020-10-26 电压比较器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1911934A FR3102621B1 (fr) 2019-10-24 2019-10-24 Comparateur de tension
FR1911934 2019-10-24

Publications (2)

Publication Number Publication Date
FR3102621A1 FR3102621A1 (fr) 2021-04-30
FR3102621B1 true FR3102621B1 (fr) 2022-01-14

Family

ID=69468787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1911934A Active FR3102621B1 (fr) 2019-10-24 2019-10-24 Comparateur de tension

Country Status (3)

Country Link
US (1) US11539356B2 (fr)
CN (2) CN213846639U (fr)
FR (1) FR3102621B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3102621B1 (fr) * 2019-10-24 2022-01-14 St Microelectronics Grenoble 2 Comparateur de tension
CN114442717B (zh) * 2022-01-21 2023-04-07 星宸科技股份有限公司 具有双向电流调整的低压差稳压器

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418332A (en) 1981-06-24 1983-11-29 Harris Corporation Noise insensitive comparator
US4609906A (en) 1983-08-26 1986-09-02 Rockwell International Corporation Digital-to-analog/analog-to-digital dual mode circuit
JP3395281B2 (ja) * 1993-09-21 2003-04-07 ソニー株式会社 スイッチング電源用の可変周波数発振回路
FR2841061A1 (fr) * 2002-06-13 2003-12-19 St Microelectronics Sa Dispositif et procede de pilotage d'une source d'alimentation a decoupage et source d'alimentation a decoupage pourvue d'un tel dispositif de pilotage
US6778111B1 (en) 2003-09-02 2004-08-17 Hewlett-Packard Development Company, L.P. Multi-dimensional deglitch filter for high speed digital signals
FR2879373A1 (fr) * 2004-12-14 2006-06-16 St Microelectronics Sa Autoajustement de cellules rc dans un circuit
JP5404991B2 (ja) * 2006-02-07 2014-02-05 スパンション エルエルシー Ｄｃ−ｄｃコンバータの制御回路、ｄｃ−ｄｃコンバータ、およびｄｃ−ｄｃコンバータの制御方法
US7397292B1 (en) 2006-06-21 2008-07-08 National Semiconductor Corporation Digital input buffer with glitch suppression
JP4341698B2 (ja) * 2007-05-28 2009-10-07 富士電機デバイステクノロジー株式会社 スイッチング電源とその制御回路及び制御方法
ITTO20090334A1 (it) 2009-04-28 2010-10-29 St Microelectronics Srl Dispositivo e metodo di protezione da disturbi per un segnale digitale
IT1394909B1 (it) * 2009-06-10 2012-07-20 St Microelectronics Srl Metodo di commutazione di un convertitore pwm multi-fase
US8188798B1 (en) 2010-11-18 2012-05-29 Hong Kong Applied Science and Technology Research Institute Company, Ltd. Programmable electro-magnetic-interference (EMI) reduction with enhanced noise immunity and process tolerance
JP2012257408A (ja) * 2011-06-09 2012-12-27 Seiko Instruments Inc スイッチングレギュレータ
CN203278773U (zh) * 2012-12-05 2013-11-06 艾尔瓦特集成电路科技（天津）有限公司 方波发生电路、包含该方波发生电路的集成电路、dc/dc转换器和ac/dc转换器
CN203590154U (zh) * 2013-11-22 2014-05-07 无锡中星微电子有限公司 低相位抖动的振荡器
EP3116127B1 (fr) 2015-07-08 2018-09-12 Power Integrations Switzerland GmbH Circuit récepteur
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FR3068548A1 (fr) 2017-06-28 2019-01-04 Stmicroelectronics (Grenoble 2) Sas Comparateur non oscillant
FR3102621B1 (fr) * 2019-10-24 2022-01-14 St Microelectronics Grenoble 2 Comparateur de tension
FR3102620B1 (fr) * 2019-10-24 2022-12-23 St Microelectronics Grenoble 2 Convertisseur de tension

Also Published As

Publication number Publication date
US11539356B2 (en) 2022-12-27
CN112713882A (zh) 2021-04-27
CN213846639U (zh) 2021-07-30
FR3102621A1 (fr) 2021-04-30
US20210126536A1 (en) 2021-04-29

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