CN117652086A - 半导体装置、开关电源和照明装置 - Google Patents

半导体装置、开关电源和照明装置 Download PDF

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Publication number
CN117652086A
CN117652086A CN202280050352.0A CN202280050352A CN117652086A CN 117652086 A CN117652086 A CN 117652086A CN 202280050352 A CN202280050352 A CN 202280050352A CN 117652086 A CN117652086 A CN 117652086A
Authority
CN
China
Prior art keywords
signal
voltage
output
current
sense
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
CN202280050352.0A
Other languages
English (en)
Chinese (zh)
Inventor
青木启
高木凉
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.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of CN117652086A publication Critical patent/CN117652086A/zh
Pending 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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
    • 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
    • H05B45/32—Pulse-control 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
    • H05B45/34—Voltage stabilisation; Maintaining constant voltage
    • 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
    • H05B45/345—Current stabilisation; Maintaining constant current
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Dc-Dc Converters (AREA)
CN202280050352.0A 2021-07-20 2022-07-07 半导体装置、开关电源和照明装置 Pending CN117652086A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-119416 2021-07-20
JP2021119416 2021-07-20
PCT/JP2022/026940 WO2023002852A1 (ja) 2021-07-20 2022-07-07 半導体装置、スイッチング電源、発光装置

Publications (1)

Publication Number Publication Date
CN117652086A true CN117652086A (zh) 2024-03-05

Family

ID=84979158

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280050352.0A Pending CN117652086A (zh) 2021-07-20 2022-07-07 半导体装置、开关电源和照明装置

Country Status (4)

Country Link
US (1) US12557192B2 (https=)
JP (1) JPWO2023002852A1 (https=)
CN (1) CN117652086A (https=)
WO (1) WO2023002852A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118870600A (zh) * 2024-09-27 2024-10-29 嘉兴汉微半导体有限公司 脉冲信号生成装置及方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003454A (en) * 1990-01-09 1991-03-26 North American Philips Corporation Power supply with improved power factor correction
JPH0511864A (ja) * 1991-07-04 1993-01-22 Matsushita Electric Ind Co Ltd 電源装置
JP2009030834A (ja) * 2007-07-25 2009-02-12 Mitsubishi Plastics Inc 温水輸送用の連絡配管
JP5369555B2 (ja) * 2008-09-08 2013-12-18 株式会社リコー 電流モード制御型スイッチングレギュレータ及びその動作制御方法
JP5243292B2 (ja) * 2009-02-13 2013-07-24 旭化成エレクトロニクス株式会社 スイッチング電源装置
JP5625958B2 (ja) * 2011-01-31 2014-11-19 富士電機株式会社 出力電圧切替機能を備えたスイッチング電源装置
US9661697B2 (en) * 2013-03-14 2017-05-23 Laurence P. Sadwick Digital dimmable driver
JP6403948B2 (ja) * 2013-11-07 2018-10-10 ローム株式会社 絶縁型スイッチング電源装置
US9467051B2 (en) * 2014-01-16 2016-10-11 Micrel, Inc. Switching regulator using adaptive slope compensation with DC correction
JP2015146711A (ja) * 2014-02-04 2015-08-13 リコー電子デバイス株式会社 マルチフェーズ型ｄｃ／ｄｃコンバータ
JP6962687B2 (ja) * 2016-03-29 2021-11-05 ローム株式会社 スイッチング電源装置
US9837841B2 (en) * 2016-03-29 2017-12-05 Rohm Co., Ltd. Switching power supply device
JP7324056B2 (ja) 2019-06-03 2023-08-09 ローム株式会社 発光素子駆動装置
JP7345326B2 (ja) * 2019-09-06 2023-09-15 ローム株式会社 発光素子駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118870600A (zh) * 2024-09-27 2024-10-29 嘉兴汉微半导体有限公司 脉冲信号生成装置及方法

Also Published As

Publication number Publication date
JPWO2023002852A1 (https=) 2023-01-26
US12557192B2 (en) 2026-02-17
US20240130018A1 (en) 2024-04-18
WO2023002852A1 (ja) 2023-01-26

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