CN116965156A - 具有可切换旁路电容器的多通道驱动器 - Google Patents

具有可切换旁路电容器的多通道驱动器 Download PDF

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Publication number
CN116965156A
CN116965156A CN202280016494.5A CN202280016494A CN116965156A CN 116965156 A CN116965156 A CN 116965156A CN 202280016494 A CN202280016494 A CN 202280016494A CN 116965156 A CN116965156 A CN 116965156A
Authority
CN
China
Prior art keywords
led
led load
switch
current
power
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.)
Pending
Application number
CN202280016494.5A
Other languages
English (en)
Chinese (zh)
Inventor
E·J·德默尔
H·M·J·M·卡尔曼
B·J·W·特文梅
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.)
Signify Holding BV
Original Assignee
Signify Holding BV
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 Signify Holding BV filed Critical Signify Holding BV
Publication of CN116965156A publication Critical patent/CN116965156A/zh
Pending legal-status Critical Current

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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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • 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]
    • H05B45/20—Controlling the colour 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]
    • H05B45/10—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
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
CN202280016494.5A 2021-02-23 2022-02-14 具有可切换旁路电容器的多通道驱动器 Pending CN116965156A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21158580 2021-02-23
EP21158580.7 2021-02-23
PCT/EP2022/053490 WO2022179872A1 (en) 2021-02-23 2022-02-14 Multi-channel driver with switchable by pass capacitors

Publications (1)

Publication Number Publication Date
CN116965156A true CN116965156A (zh) 2023-10-27

Family

ID=74701398

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280016494.5A Pending CN116965156A (zh) 2021-02-23 2022-02-14 具有可切换旁路电容器的多通道驱动器

Country Status (5)

Country Link
US (1) US12520400B2 (https=)
EP (1) EP4298866A1 (https=)
JP (1) JP2024506663A (https=)
CN (1) CN116965156A (https=)
WO (1) WO2022179872A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118975112A (zh) * 2022-03-31 2024-11-15 罗姆股份有限公司 半导体装置、模块

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101849431A (zh) * 2007-11-07 2010-09-29 皇家飞利浦电子股份有限公司 电源电路
CN202206620U (zh) * 2011-03-18 2012-04-25 成都芯源系统有限公司 发光二极管驱动电路
CN102870498A (zh) * 2010-04-30 2013-01-09 皇家飞利浦电子股份有限公司 包括用于增大固态照明负载的调光分辨率的可编程滞后下变频器的调光调节器
US20160212815A1 (en) * 2015-01-19 2016-07-21 Panasonic Intellectual Property Management Co., Ltd. Lighting device, lighting fixture and lighting system
JP2018032504A (ja) * 2016-08-24 2018-03-01 岩崎電気株式会社 Ｌｅｄパルス点灯回路及びｌｅｄ照明装置
CN107995736A (zh) * 2017-12-15 2018-05-04 矽力杰半导体技术(杭州)有限公司 Led驱动电路、功率变换器和控制方法
US20180310374A1 (en) * 2015-12-28 2018-10-25 Dialog Semiconductor (Uk) Limited Solid State Lighting Assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007039862A2 (en) 2005-10-05 2007-04-12 Koninklijke Philips Electronics N.V. Driver circuit arrangement
US7821753B2 (en) * 2007-01-18 2010-10-26 Alcatel-Lucent Usa Inc. DC high power distribution assembly
TWI463912B (zh) 2011-10-27 2014-12-01 Microsemi Corp Ｌｅｄ（發光二極體）串驅動器之同步調節
US8896214B2 (en) 2011-12-19 2014-11-25 Monolithic Power Systems, Inc. LED driving system for driving multi-string LEDs and the method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101849431A (zh) * 2007-11-07 2010-09-29 皇家飞利浦电子股份有限公司 电源电路
CN102870498A (zh) * 2010-04-30 2013-01-09 皇家飞利浦电子股份有限公司 包括用于增大固态照明负载的调光分辨率的可编程滞后下变频器的调光调节器
CN202206620U (zh) * 2011-03-18 2012-04-25 成都芯源系统有限公司 发光二极管驱动电路
US20160212815A1 (en) * 2015-01-19 2016-07-21 Panasonic Intellectual Property Management Co., Ltd. Lighting device, lighting fixture and lighting system
US20180310374A1 (en) * 2015-12-28 2018-10-25 Dialog Semiconductor (Uk) Limited Solid State Lighting Assembly
JP2018032504A (ja) * 2016-08-24 2018-03-01 岩崎電気株式会社 Ｌｅｄパルス点灯回路及びｌｅｄ照明装置
CN107995736A (zh) * 2017-12-15 2018-05-04 矽力杰半导体技术(杭州)有限公司 Led驱动电路、功率变换器和控制方法

Also Published As

Publication number Publication date
EP4298866A1 (en) 2024-01-03
WO2022179872A1 (en) 2022-09-01
US12520400B2 (en) 2026-01-06
JP2024506663A (ja) 2024-02-14
US20240130020A1 (en) 2024-04-18

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