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DE60326392D1 - Pwm-led-regler mit abtast- und haltefunktion - Google Patents

Pwm-led-regler mit abtast- und haltefunktion

Info

Publication number
DE60326392D1
DE60326392D1 DE60326392T DE60326392T DE60326392D1 DE 60326392 D1 DE60326392 D1 DE 60326392D1 DE 60326392 T DE60326392 T DE 60326392T DE 60326392 T DE60326392 T DE 60326392T DE 60326392 D1 DE60326392 D1 DE 60326392D1
Authority
DE
Germany
Prior art keywords
sample
input
output
node
voltage
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 - Lifetime
Application number
DE60326392T
Other languages
English (en)
Inventor
Chin Chang
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60326392D1 publication Critical patent/DE60326392D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]

Landscapes

  • Dc-Dc Converters (AREA)
  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
DE60326392T 2002-12-26 2003-12-18 Pwm-led-regler mit abtast- und haltefunktion Expired - Lifetime DE60326392D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43685802P 2002-12-26 2002-12-26
PCT/IB2003/006098 WO2004060023A1 (en) 2002-12-26 2003-12-18 Pwm led regulator with sample and hold

Publications (1)

Publication Number Publication Date
DE60326392D1 true DE60326392D1 (de) 2009-04-09

Family

ID=32682414

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60326392T Expired - Lifetime DE60326392D1 (de) 2002-12-26 2003-12-18 Pwm-led-regler mit abtast- und haltefunktion

Country Status (9)

Country Link
US (1) US7443209B2 (de)
EP (1) EP1579736B1 (de)
JP (1) JP4477509B2 (de)
KR (1) KR101025176B1 (de)
CN (1) CN100493279C (de)
AT (1) ATE424099T1 (de)
AU (1) AU2003303455A1 (de)
DE (1) DE60326392D1 (de)
WO (1) WO2004060023A1 (de)

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US8373358B2 (en) 2010-05-21 2013-02-12 National Semiconductor Corporation Compact and efficient driver for multiple light emitting diodes (LEDs)
US8294388B2 (en) 2010-05-25 2012-10-23 Texas Instruments Incorporated Driving system with inductor pre-charging for LED systems with PWM dimming control or other loads
US8454193B2 (en) 2010-07-08 2013-06-04 Ilumisys, Inc. Independent modules for LED fluorescent light tube replacement
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US8872810B2 (en) 2010-10-12 2014-10-28 National Semiconductor Corporation Combined digital modulation and current dimming control for light emitting diodes
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US8870415B2 (en) 2010-12-09 2014-10-28 Ilumisys, Inc. LED fluorescent tube replacement light with reduced shock hazard
US9066381B2 (en) 2011-03-16 2015-06-23 Integrated Illumination Systems, Inc. System and method for low level dimming
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US20150237700A1 (en) 2011-07-26 2015-08-20 Hunter Industries, Inc. Systems and methods to control color and brightness of lighting devices
US10874003B2 (en) 2011-07-26 2020-12-22 Hunter Industries, Inc. Systems and methods for providing power and data to devices
US11917740B2 (en) 2011-07-26 2024-02-27 Hunter Industries, Inc. Systems and methods for providing power and data to devices
US8710770B2 (en) 2011-07-26 2014-04-29 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US9609720B2 (en) 2011-07-26 2017-03-28 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US9521725B2 (en) 2011-07-26 2016-12-13 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
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Also Published As

Publication number Publication date
EP1579736A1 (de) 2005-09-28
KR101025176B1 (ko) 2011-03-31
KR20050088223A (ko) 2005-09-02
JP4477509B2 (ja) 2010-06-09
JP2006512883A (ja) 2006-04-13
WO2004060023A1 (en) 2004-07-15
US7443209B2 (en) 2008-10-28
CN1732716A (zh) 2006-02-08
AU2003303455A1 (en) 2004-07-22
EP1579736B1 (de) 2009-02-25
CN100493279C (zh) 2009-05-27
ATE424099T1 (de) 2009-03-15
US20060082397A1 (en) 2006-04-20

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