FR2982095B1 - METHOD FOR CONTROLLING AN OUTPUT CURRENT OF A VOLTAGE CONVERTER - Google Patents

METHOD FOR CONTROLLING AN OUTPUT CURRENT OF A VOLTAGE CONVERTER

Info

Publication number
FR2982095B1
FR2982095B1 FR1159910A FR1159910A FR2982095B1 FR 2982095 B1 FR2982095 B1 FR 2982095B1 FR 1159910 A FR1159910 A FR 1159910A FR 1159910 A FR1159910 A FR 1159910A FR 2982095 B1 FR2982095 B1 FR 2982095B1
Authority
FR
France
Prior art keywords
output current
controlling
switch
voltage converter
period
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
FR1159910A
Other languages
French (fr)
Other versions
FR2982095A1 (en
Inventor
Sousa Luis De
Mame Fall
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.)
Valeo Systemes de Controle Moteur SAS
Original Assignee
Valeo Systemes de Controle Moteur 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 Valeo Systemes de Controle Moteur SAS filed Critical Valeo Systemes de Controle Moteur SAS
Priority to FR1159910A priority Critical patent/FR2982095B1/en
Publication of FR2982095A1 publication Critical patent/FR2982095A1/en
Application granted granted Critical
Publication of FR2982095B1 publication Critical patent/FR2982095B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H02M1/0009—Devices or circuits for detecting current in a converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

L'invention concerne un procédé de contrôle d'un courant de sortie d'un convertisseur de tension par modulation de largeur d'impulsion d'au moins un interrupteur suivant une période de découpage T, ledit procédé comprenant, sur la période de découpage T, les étapes consistant à : -lorsque l'interrupteur est fermé, déterminer une première durée t , t , t , t pendant laquelle un courant de sortie Imes du convertisseur est inférieur à un courant de consigne Icons ; -lorsque le courant de sortie Imes devient égal au courant de consigne Icons, maintenir l'interrupteur fermé pendant une seconde durée t , t , t , t ; -ouvrir l'interrupteur lorsque la seconde durée t , t , t , t est écoulée.The invention relates to a method of controlling an output current of a voltage converter by pulse width modulation of at least one switch according to a chopping period T, said method comprising, over the chopping period T , the steps consisting in: when the switch is closed, determining a first duration t, t, t, t during which an output current Imes of the converter is less than a setpoint current Icons; -when the output current Imes becomes equal to the setpoint current Icons, keep the switch closed for a second period t, t, t, t; -open the switch when the second duration t, t, t, t has elapsed.

FR1159910A 2011-11-02 2011-11-02 METHOD FOR CONTROLLING AN OUTPUT CURRENT OF A VOLTAGE CONVERTER Active FR2982095B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1159910A FR2982095B1 (en) 2011-11-02 2011-11-02 METHOD FOR CONTROLLING AN OUTPUT CURRENT OF A VOLTAGE CONVERTER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1159910A FR2982095B1 (en) 2011-11-02 2011-11-02 METHOD FOR CONTROLLING AN OUTPUT CURRENT OF A VOLTAGE CONVERTER

Publications (2)

Publication Number Publication Date
FR2982095A1 FR2982095A1 (en) 2013-05-03
FR2982095B1 true FR2982095B1 (en) 2015-01-02

Family

ID=45558166

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1159910A Active FR2982095B1 (en) 2011-11-02 2011-11-02 METHOD FOR CONTROLLING AN OUTPUT CURRENT OF A VOLTAGE CONVERTER

Country Status (1)

Country Link
FR (1) FR2982095B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7388359B1 (en) * 2006-02-17 2008-06-17 National Semiconductor Corporation Constant current output using transconductance amplifier
US8159204B2 (en) * 2008-09-29 2012-04-17 Active-Semi, Inc. Regulating current output from a buck converter without external current sensing
TWI396956B (en) * 2009-09-18 2013-05-21 Richtek Technology Corp Average current regulator and driver circuit thereof and method for regulating average current

Also Published As

Publication number Publication date
FR2982095A1 (en) 2013-05-03

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