TWI565361B - 對具有ｐｗｍ調光控制之ｌｅｄ系統或其它負載進行電感器預充電的驅動系統 - Google Patents

對具有ｐｗｍ調光控制之ｌｅｄ系統或其它負載進行電感器預充電的驅動系統 Download PDF

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Publication number
TWI565361B
TWI565361B TW100117924A TW100117924A TWI565361B TW I565361 B TWI565361 B TW I565361B TW 100117924 A TW100117924 A TW 100117924A TW 100117924 A TW100117924 A TW 100117924A TW I565361 B TWI565361 B TW I565361B
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TW
Taiwan
Prior art keywords
control signal
dimming control
current
power supply
leds
Prior art date
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TW100117924A
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English (en)
Chinese (zh)
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TW201204177A (en
Inventor
王力健
文子球
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國家半導體公司
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Publication of TW201204177A publication Critical patent/TW201204177A/zh
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Publication of TWI565361B publication Critical patent/TWI565361B/zh

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    • 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
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Dc-Dc Converters (AREA)
  • Led Devices (AREA)
TW100117924A 2010-05-25 2011-05-23 對具有ｐｗｍ調光控制之ｌｅｄ系統或其它負載進行電感器預充電的驅動系統 TWI565361B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/800,875 US8294388B2 (en) 2010-05-25 2010-05-25 Driving system with inductor pre-charging for LED systems with PWM dimming control or other loads

Publications (2)

Publication Number Publication Date
TW201204177A TW201204177A (en) 2012-01-16
TWI565361B true TWI565361B (zh) 2017-01-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
TW100117924A TWI565361B (zh) 2010-05-25 2011-05-23 對具有ｐｗｍ調光控制之ｌｅｄ系統或其它負載進行電感器預充電的驅動系統

Country Status (4)

Country Link
US (1) US8294388B2 (enExample)
JP (1) JP5812394B2 (enExample)
CN (1) CN102264180B (enExample)
TW (1) TWI565361B (enExample)

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CN108200685B (zh) 2017-12-28 2020-01-07 昂宝电子（上海）有限公司 用于可控硅开关控制的led照明系统
CN109922564B (zh) 2019-02-19 2023-08-29 昂宝电子（上海）有限公司 用于triac驱动的电压转换系统和方法
CN111867185B (zh) * 2019-04-24 2025-04-08 漳州立达信光电子科技有限公司 电容预充电电路、led驱动电路及led装置
CN110493913B (zh) 2019-08-06 2022-02-01 昂宝电子（上海）有限公司 用于可控硅调光的led照明系统的控制系统和方法
CN110831295B (zh) 2019-11-20 2022-02-25 昂宝电子（上海）有限公司 用于可调光led照明系统的调光控制方法和系统
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CN111432526B (zh) 2020-04-13 2023-02-21 昂宝电子（上海）有限公司 用于led照明系统的功率因子优化的控制系统和方法
TWI746153B (zh) * 2020-06-18 2021-11-11 聯詠科技股份有限公司 發光二極體驅動器及其預充電方法
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Publication number Publication date
US20110291576A1 (en) 2011-12-01
TW201204177A (en) 2012-01-16
US8294388B2 (en) 2012-10-23
CN102264180B (zh) 2015-07-01
JP5812394B2 (ja) 2015-11-11
CN102264180A (zh) 2011-11-30
JP2011249328A (ja) 2011-12-08

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