TWI810319B - 電流匹配電路及功率轉換器控制器 - Google Patents

電流匹配電路及功率轉換器控制器 Download PDF

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Publication number
TWI810319B
TWI810319B TW108121108A TW108121108A TWI810319B TW I810319 B TWI810319 B TW I810319B TW 108121108 A TW108121108 A TW 108121108A TW 108121108 A TW108121108 A TW 108121108A TW I810319 B TWI810319 B TW I810319B
Authority
TW
Taiwan
Prior art keywords
circuit
current
coupled
led driver
signal
Prior art date
Application number
TW108121108A
Other languages
English (en)
Chinese (zh)
Other versions
TW202006492A (zh
Inventor
約翰 大衛 格林伍德
Original Assignee
美商電源整合公司
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.)
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Publication date
Application filed by 美商電源整合公司 filed Critical 美商電源整合公司
Publication of TW202006492A publication Critical patent/TW202006492A/zh
Application granted granted Critical
Publication of TWI810319B publication Critical patent/TWI810319B/zh

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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]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • H05B45/397—Current mirror circuits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/3413—Details of control of colour illumination sources
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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
    • H05B45/35—Balancing 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]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Dc-Dc Converters (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Led Devices (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
TW108121108A 2018-06-19 2019-06-18 電流匹配電路及功率轉換器控制器 TWI810319B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862687001P 2018-06-19 2018-06-19
US62/687,001 2018-06-19
US16/433,584 2019-06-06
US16/433,584 US10863600B2 (en) 2018-06-19 2019-06-06 Power converter with current matching

Publications (2)

Publication Number Publication Date
TW202006492A TW202006492A (zh) 2020-02-01
TWI810319B true TWI810319B (zh) 2023-08-01

Family

ID=68839446

Family Applications (1)

Application Number Title Priority Date Filing Date
TW108121108A TWI810319B (zh) 2018-06-19 2019-06-18 電流匹配電路及功率轉換器控制器

Country Status (4)

Country Link
US (2) US10863600B2 (https=)
JP (1) JP7455458B2 (https=)
CN (1) CN110619853B (https=)
TW (1) TWI810319B (https=)

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CN115605804A (zh) 2021-05-11 2023-01-13 京东方科技集团股份有限公司（Cn） 虚拟图像显示系统及其数据处理方法和显示装置
KR20230083640A (ko) * 2021-12-03 2023-06-12 주식회사 엘엑스세미콘 정전류 구동 장치 및 그의 전류 보정 방법
TWI799222B (zh) * 2022-04-01 2023-04-11 新唐科技股份有限公司 消耗電能評估裝置以及消耗電能評估方法
CN114637366B (zh) * 2022-05-18 2022-08-23 成都本原聚能科技有限公司 与工艺、温度无关的检测电路、芯片及流明检测用途
US20240172340A1 (en) * 2022-11-18 2024-05-23 Universal Douglas Lighting Americas, Inc. Method of Calibrating Analog Control Voltage of LED Driver
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Also Published As

Publication number Publication date
US20190387588A1 (en) 2019-12-19
US20210059028A1 (en) 2021-02-25
US10863600B2 (en) 2020-12-08
US11445587B2 (en) 2022-09-13
CN110619853A (zh) 2019-12-27
TW202006492A (zh) 2020-02-01
CN110619853B (zh) 2024-01-05
JP2019220182A (ja) 2019-12-26
JP7455458B2 (ja) 2024-03-26

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