TW200614638A - Power supply apparatus - Google Patents

Power supply apparatus

Info

Publication number
TW200614638A
TW200614638A TW094118922A TW94118922A TW200614638A TW 200614638 A TW200614638 A TW 200614638A TW 094118922 A TW094118922 A TW 094118922A TW 94118922 A TW94118922 A TW 94118922A TW 200614638 A TW200614638 A TW 200614638A
Authority
TW
Taiwan
Prior art keywords
control circuit
voltage
circuit
protection
power supply
Prior art date
Application number
TW094118922A
Other languages
English (en)
Inventor
Tatsuki Nishino
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 TW200614638A publication Critical patent/TW200614638A/zh

Links

Classifications

    • 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
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • 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
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
TW094118922A 2004-08-17 2005-06-08 Power supply apparatus TW200614638A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004237743 2004-08-17

Publications (1)

Publication Number Publication Date
TW200614638A true TW200614638A (en) 2006-05-01

Family

ID=35907317

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094118922A TW200614638A (en) 2004-08-17 2005-06-08 Power supply apparatus

Country Status (7)

Country Link
US (1) US20070257645A1 (zh)
EP (1) EP1788695A4 (zh)
JP (1) JP4510022B2 (zh)
KR (1) KR20070043789A (zh)
CN (1) CN1993877A (zh)
TW (1) TW200614638A (zh)
WO (1) WO2006018923A1 (zh)

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CN101405924B (zh) * 2006-01-23 2012-07-11 奥德拉国际销售公司 用于受限电源的功率供应设备以及使用功率供应设备的音频放大器
TWI346318B (en) 2006-07-14 2011-08-01 Chimei Innolux Corp Lcd display and backlight apparatus and method for driving thereof
TWI364014B (en) * 2007-04-10 2012-05-11 Novatek Microelectronics Corp Method and device capable of controlling soft-start dymatically
JP2008283033A (ja) * 2007-05-11 2008-11-20 Ricoh Co Ltd 駆動回路及びその駆動回路を有する電子機器
US7531971B2 (en) * 2007-05-14 2009-05-12 Tpo Displays Corp. Backlight units and display devices
US7986136B2 (en) * 2007-08-09 2011-07-26 Samsung Electronics Co., Ltd. Switching mode power supply apparatus and power supply method thereof
WO2009059459A1 (en) * 2007-11-07 2009-05-14 Texas Instruments Incorporated A power regulator system with current limit independent of duty cycle and its regulation method
FR2923962B1 (fr) * 2007-11-20 2009-11-20 Valeo Sys Controle Moteur Sas Circuit elevateur de tension
JP4976323B2 (ja) * 2008-03-06 2012-07-18 株式会社リコー 充電制御回路
JP5171402B2 (ja) * 2008-06-04 2013-03-27 矢崎総業株式会社 負荷回路の過電流保護装置
JP5372602B2 (ja) * 2009-05-26 2013-12-18 フリースケール セミコンダクター インコーポレイテッド バッテリ充電回路及びバッテリ充電器
TWI414209B (zh) * 2009-12-30 2013-11-01 Au Optronics Corp 發光二極體驅動電路
US9192014B2 (en) * 2011-07-19 2015-11-17 Nxp B.V. LED short circuit protection
DE102011116231B4 (de) 2011-10-17 2017-12-21 Austriamicrosystems Ag Beleuchtungsanordnung und Verfahren zum Erkennen eines Kurzschlusses bei Dioden
KR101903703B1 (ko) 2012-03-06 2018-10-05 삼성디스플레이 주식회사 Ｄｃ-ｄｃ 컨버터 및 이를 포함한 유기전계발광 표시장치
CN102711316B (zh) * 2012-04-26 2014-05-07 贵阳海信电子有限公司 Led背光源驱动装置及使用其的液晶显示装置
KR101961116B1 (ko) * 2012-11-19 2019-03-25 삼성디스플레이 주식회사 전원제어장치 및 이를 포함하는 표시장치
KR102005494B1 (ko) * 2013-04-17 2019-08-01 삼성디스플레이 주식회사 유기전계발광 표시장치
US9949327B2 (en) 2014-02-28 2018-04-17 Texas Instruments Incorporated LED system with driver voltage clamping
CN105305793B (zh) * 2015-03-20 2017-10-31 深圳市嘉兆鸿电子有限公司 一种直流电流源的功率管保护及高效率输出方法
CN105093598B (zh) * 2015-08-07 2018-03-13 深圳市华星光电技术有限公司 阵列基板行驱动短路保护电路及液晶面板
JP2018046447A (ja) * 2016-09-15 2018-03-22 ソニーセミコンダクタソリューションズ株式会社 撮像素子および駆動方法、並びに電子機器
US10110216B1 (en) 2017-06-30 2018-10-23 Dialog Semiconductor (Uk) Limited Over voltage protection of a transistor device
JP7056393B2 (ja) * 2018-06-14 2022-04-19 トヨタ自動車株式会社 電圧変換器
US10542593B1 (en) * 2019-01-18 2020-01-21 Infineon Technologies Ag Power offloading for linear current source
KR102634363B1 (ko) * 2019-05-21 2024-02-07 현대자동차주식회사 차량의 전원 관리 장치 및 방법
CN113131740A (zh) * 2019-12-31 2021-07-16 华润微集成电路(无锡)有限公司 控制电压切换电路及相应的升压电路
CN111736686B (zh) * 2020-06-12 2023-04-11 苏州浪潮智能科技有限公司 一种异常开启scc电路的保护电路及服务器
CN111711171B (zh) * 2020-06-18 2022-08-19 广东博智林机器人有限公司 一种电源保护电路及伺服驱动器
US11659638B2 (en) * 2021-08-31 2023-05-23 Texas Instruments Incorporated LED matrix driver to reduce bright coupling
US11849514B1 (en) 2022-06-10 2023-12-19 Infineon Technologies Ag Current regulator circuits with self-adaptive power offloading

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JPS59104214U (ja) * 1982-12-28 1984-07-13 株式会社村田製作所 定電流電源
US5402375A (en) * 1987-11-24 1995-03-28 Hitachi, Ltd Voltage converter arrangement for a semiconductor memory
JP2001215913A (ja) * 2000-02-04 2001-08-10 Toko Inc 点灯回路
US6487097B2 (en) * 2000-03-16 2002-11-26 Altel Technology Feedforward clamping applied to the control voltage in switch mode power supplies (SMPS)
JP3676179B2 (ja) * 2000-03-30 2005-07-27 三洋電機株式会社 電源回路
JP2002136108A (ja) * 2000-10-25 2002-05-10 Fujitsu Ten Ltd 昇圧回路
US6385060B1 (en) * 2000-12-21 2002-05-07 Semiconductor Components Industries Llc Switching power supply with reduced energy transfer during a fault condition
JP4177022B2 (ja) * 2002-05-07 2008-11-05 ローム株式会社 発光素子駆動装置、及び発光素子を備えた電子機器
US7102340B1 (en) * 2003-01-21 2006-09-05 Microsemi Corporation Dual-mode PFM boost converter
KR101031765B1 (ko) * 2004-02-17 2011-04-29 세미컨덕터 콤포넨츠 인더스트리즈 엘엘씨 전력 시스템 제어기를 형성하는 방법, 전력 공급 제어기를 형성하는 방법 및 전력 제어기 반도체 디바이스

Also Published As

Publication number Publication date
JP4510022B2 (ja) 2010-07-21
EP1788695A1 (en) 2007-05-23
CN1993877A (zh) 2007-07-04
EP1788695A4 (en) 2010-01-27
KR20070043789A (ko) 2007-04-25
US20070257645A1 (en) 2007-11-08
JPWO2006018923A1 (ja) 2008-05-01
WO2006018923A1 (ja) 2006-02-23

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