FR3039741B1 - Circuit d'eclairage et lampe de vehicule l'utilisant - Google Patents
Circuit d'eclairage et lampe de vehicule l'utilisant Download PDFInfo
- Publication number
- FR3039741B1 FR3039741B1 FR1657309A FR1657309A FR3039741B1 FR 3039741 B1 FR3039741 B1 FR 3039741B1 FR 1657309 A FR1657309 A FR 1657309A FR 1657309 A FR1657309 A FR 1657309A FR 3039741 B1 FR3039741 B1 FR 3039741B1
- Authority
- FR
- France
- Prior art keywords
- lamp
- lighting system
- vehicle user
- idrv
- down converter
- 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.)
- Active
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
-
- 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
- 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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck 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
-
- 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
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/25—Circuit arrangements for protecting against overcurrent
Abstract
Un convertisseur (20) abaisseur de tension (20) fournit un courant de commande (IDRV) à une source de lumière (2) et est commandé par rétroaction de sorte que le courant de commande (IDRV) se rapproche d'un courant cible (IREF). Un circuit de détection de circuit ouvert (40) compare à une tension de seuil (VTH) la différence de potentiel entre la tension d'entrée (VIN) et la tension de sortie (VOUT) du convertisseur (20) abaisseur de tension (20).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015152676 | 2015-07-31 | ||
JP2016040218A JP6687425B2 (ja) | 2015-07-31 | 2016-03-02 | 点灯回路およびそれを用いた車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3039741A1 FR3039741A1 (fr) | 2017-02-03 |
FR3039741B1 true FR3039741B1 (fr) | 2020-11-27 |
Family
ID=57796003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1657309A Active FR3039741B1 (fr) | 2015-07-31 | 2016-07-28 | Circuit d'eclairage et lampe de vehicule l'utilisant |
Country Status (3)
Country | Link |
---|---|
US (2) | US10165652B2 (fr) |
DE (1) | DE102016214014A1 (fr) |
FR (1) | FR3039741B1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103986310B (zh) * | 2014-05-30 | 2017-07-14 | 台达电子企业管理(上海)有限公司 | 变流器电路及其开路检测方法 |
CN107529240B (zh) * | 2016-06-22 | 2024-03-15 | 赛尔富电子有限公司 | 一种应用于led灯的电源电路 |
TWI594664B (zh) * | 2016-08-17 | 2017-08-01 | 緯創資通股份有限公司 | 發光二極體驅動裝置及驅動裝置的短路保護方法 |
EP3512308A4 (fr) * | 2016-09-09 | 2020-03-25 | Koito Manufacturing Co., Ltd. | Circuit d'éclairage, lampe de véhicule et procédé de commande de source de lumière |
JP6916668B2 (ja) * | 2017-05-26 | 2021-08-11 | 株式会社小糸製作所 | 車両用灯具および光源の点灯回路 |
DE102017220582A1 (de) * | 2017-11-17 | 2019-05-23 | Tridonic Gmbh & Co Kg | Betriebsschaltung für ein LED-Leuchtmittel |
US11324100B2 (en) * | 2018-01-24 | 2022-05-03 | Seiko Epson Corporation | Light source apparatus and projection-type display apparatus |
JP2019129050A (ja) * | 2018-01-24 | 2019-08-01 | セイコーエプソン株式会社 | 光源装置及び投写型表示装置 |
JP6809489B2 (ja) * | 2018-01-25 | 2021-01-06 | 株式会社デンソー | 昇圧型スイッチング電源回路 |
CN108633142B (zh) * | 2018-07-09 | 2024-04-16 | 赛尔富电子有限公司 | 一种led灯的调光电路 |
EP3627970B1 (fr) * | 2018-09-24 | 2021-05-05 | Valeo Iluminacion | Dispositif de détecteur et de dispositif d'éclairage automobile |
WO2020095748A1 (fr) * | 2018-11-05 | 2020-05-14 | ローム株式会社 | Alimentation à découpage |
EP3713086A1 (fr) * | 2019-03-18 | 2020-09-23 | Siemens Aktiengesellschaft | Circuit protecteur pour un interrupteur à semi-conducteur |
CN110190733A (zh) * | 2019-04-16 | 2019-08-30 | 杰华特微电子(杭州)有限公司 | 双芯片电源电路的供电方法和双芯片电源电路 |
JP7345326B2 (ja) | 2019-09-06 | 2023-09-15 | ローム株式会社 | 発光素子駆動装置 |
DE102020208944A1 (de) * | 2020-07-16 | 2022-01-20 | Osram Gmbh | Verfahren und schaltungsanordnung zur detektion eines teilausfalls eines leuchtmittels mit mindestens einem strang von halbleiterlichtquellen |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6900599B2 (en) | 2001-03-22 | 2005-05-31 | International Rectifier Corporation | Electronic dimming ballast for cold cathode fluorescent lamp |
JP4236894B2 (ja) | 2002-10-08 | 2009-03-11 | 株式会社小糸製作所 | 点灯回路 |
JP2005086843A (ja) * | 2003-09-04 | 2005-03-31 | Taiyo Yuden Co Ltd | 電力供給源の出力制御装置 |
US7643322B1 (en) * | 2007-04-25 | 2010-01-05 | National Semiconductor Corporation | Dual loop constant on time regulator |
US8179110B2 (en) | 2008-09-30 | 2012-05-15 | Cirrus Logic Inc. | Adjustable constant current source with continuous conduction mode (“CCM”) and discontinuous conduction mode (“DCM”) operation |
JP5828103B2 (ja) | 2010-12-20 | 2015-12-02 | パナソニックIpマネジメント株式会社 | Led点灯装置及びそれを用いた照明器具 |
US8937438B2 (en) | 2011-06-09 | 2015-01-20 | Osram Syvlania Inc. | Power supply with restart circuit |
US8587203B2 (en) | 2011-06-09 | 2013-11-19 | Osram Sylvania Inc. | Multiple channel light source power supply with output protection |
US20120326618A1 (en) * | 2011-06-24 | 2012-12-27 | National Semiconductor Corporation | Harmonic ripple-current light emitting diode (led) driver circuitry and method |
JP5841375B2 (ja) * | 2011-08-10 | 2016-01-13 | ローム株式会社 | 降圧dc/dcコンバータおよびその制御回路、それを用いた照明機器 |
KR101877371B1 (ko) * | 2011-10-14 | 2018-07-12 | 삼성전자주식회사 | 전원 변조기를 보호하기 위한 장치 및 방법 |
EP2739119B1 (fr) * | 2012-11-30 | 2015-08-19 | Dialog Semiconductor GmbH | Détection de court-circuit pour circuits d'éclairage |
CN103152912B (zh) * | 2013-01-29 | 2015-01-14 | 矽力杰半导体技术(杭州)有限公司 | 一种改进的高效率led驱动电路和驱动方法 |
JP6051909B2 (ja) | 2013-02-12 | 2016-12-27 | 株式会社デンソー | 電力供給装置 |
US8970134B2 (en) * | 2013-03-11 | 2015-03-03 | Osram Sylvania Inc. | Systems and methods of preventing strobing light output |
CN104507243B (zh) | 2014-12-04 | 2017-02-22 | 中国船舶重工集团公司第七一七研究所 | 一种发光二极管和激光二极管开路故障检测电路 |
-
2016
- 2016-07-28 FR FR1657309A patent/FR3039741B1/fr active Active
- 2016-07-29 DE DE102016214014.0A patent/DE102016214014A1/de active Pending
- 2016-08-01 US US15/225,332 patent/US10165652B2/en not_active Expired - Fee Related
-
2018
- 2018-02-09 US US15/893,415 patent/US10383193B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR3039741A1 (fr) | 2017-02-03 |
US20170034887A1 (en) | 2017-02-02 |
US10383193B2 (en) | 2019-08-13 |
US20180168017A1 (en) | 2018-06-14 |
DE102016214014A1 (de) | 2017-02-02 |
US10165652B2 (en) | 2018-12-25 |
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