WO2011091497A3 - Low voltage power supply - Google Patents

Low voltage power supply Download PDF

Info

Publication number
WO2011091497A3
WO2011091497A3 PCT/BR2011/000021 BR2011000021W WO2011091497A3 WO 2011091497 A3 WO2011091497 A3 WO 2011091497A3 BR 2011000021 W BR2011000021 W BR 2011000021W WO 2011091497 A3 WO2011091497 A3 WO 2011091497A3
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
supply
main switch
low voltage
voltage power
Prior art date
Application number
PCT/BR2011/000021
Other languages
French (fr)
Other versions
WO2011091497A2 (en
Inventor
Rodrigo Cezar De Mello Castaldo
Fernando Bastos DE MAGALHÃES
Neomar Giacomini
Original Assignee
Whirpool S.A.
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 Whirpool S.A. filed Critical Whirpool S.A.
Publication of WO2011091497A2 publication Critical patent/WO2011091497A2/en
Publication of WO2011091497A3 publication Critical patent/WO2011091497A3/en

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
    • H02M3/1563—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 without using an external clock

Abstract

The present invention relates to a low voltage power supply (1 ) equipped with discrete components. The power supply comprises a timer circuit (4) able to establish a time basis variable in the shooting of a main switch (5), switching the electric conduction of the supply (1). Moreover, the supply (1) also includes two other components capable of interfering with the switching frequency of the supply, namely: current limiter (13) and output voltage limiter (12). When the current limiter (13) detects an overcurrent situation or when the output voltage limiter (12) detects an overvoltage situation, a latch (14) is actuated causing the timer circuit voltage (4) to be deviated from the main switch (5) to itself, thus causing the opening of the main switch (5).
PCT/BR2011/000021 2010-01-27 2011-01-18 Low voltage power supply WO2011091497A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI1000249 BRPI1000249A2 (en) 2010-01-27 2010-01-27 low voltage power supply
BRPI100249-9 2010-01-27

Publications (2)

Publication Number Publication Date
WO2011091497A2 WO2011091497A2 (en) 2011-08-04
WO2011091497A3 true WO2011091497A3 (en) 2011-10-06

Family

ID=44281036

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2011/000021 WO2011091497A2 (en) 2010-01-27 2011-01-18 Low voltage power supply

Country Status (2)

Country Link
BR (1) BRPI1000249A2 (en)
WO (1) WO2011091497A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988643A (en) * 1974-10-25 1976-10-26 Litton Business Systems, Inc. Latch circuit
FR2751805A1 (en) * 1996-07-24 1998-01-30 Schneider Electric Sa Self-oscillating step=down converter with complete demagnetisation
US5783930A (en) * 1996-02-16 1998-07-21 Black & Decker Inc. Self-oscillating buck mode battery charger
US6160389A (en) * 1999-08-27 2000-12-12 Black & Decker Inc. Battery charger with low heat dissipation
WO2009089919A1 (en) * 2008-01-18 2009-07-23 Osram Gesellschaft mit beschränkter Haftung Buck converter for making power available to at least one led

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988643A (en) * 1974-10-25 1976-10-26 Litton Business Systems, Inc. Latch circuit
US5783930A (en) * 1996-02-16 1998-07-21 Black & Decker Inc. Self-oscillating buck mode battery charger
FR2751805A1 (en) * 1996-07-24 1998-01-30 Schneider Electric Sa Self-oscillating step=down converter with complete demagnetisation
US6160389A (en) * 1999-08-27 2000-12-12 Black & Decker Inc. Battery charger with low heat dissipation
WO2009089919A1 (en) * 2008-01-18 2009-07-23 Osram Gesellschaft mit beschränkter Haftung Buck converter for making power available to at least one led

Also Published As

Publication number Publication date
BRPI1000249A2 (en) 2011-09-20
WO2011091497A2 (en) 2011-08-04

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