JP2014516326A - ドライバーic入力端の放電経路回路 - Google Patents
ドライバーic入力端の放電経路回路 Download PDFInfo
- Publication number
- JP2014516326A JP2014516326A JP2014500977A JP2014500977A JP2014516326A JP 2014516326 A JP2014516326 A JP 2014516326A JP 2014500977 A JP2014500977 A JP 2014500977A JP 2014500977 A JP2014500977 A JP 2014500977A JP 2014516326 A JP2014516326 A JP 2014516326A
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- JP
- Japan
- Prior art keywords
- input
- discharge path
- resistor
- driver
- power
- 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.)
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- 239000003990 capacitor Substances 0.000 claims description 10
- 238000005259 measurement Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- 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
- B60Q1/06—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 adjustable, e.g. remotely-controlled from inside vehicle
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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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/2885—Static converters especially adapted therefor; Control thereof
-
- 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
- B60Q1/0088—Details of electrical connections
- B60Q1/0094—Arrangement of electronic circuits separated from the light source, e.g. mounting of housings for starter circuits for discharge lamps
-
- 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
- B60Q1/14—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 having dimming means
- B60Q1/1415—Dimming circuits
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Power Conversion In General (AREA)
- Filters And Equalizers (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
【解決手段】本発明に係る放電経路回路第は、1入力に連結される電源入力ポート及び第2入力に連結される動作モード選択ポートを備えた集積回路(IC)の入力端の放電経路を提供する回路であって、前記回路は、前記電源入力ポートと前記第1入力との間に連結されて電源上のノイズをフィルタリングするLCフィルター部、前記第1入力と前記第2入力との間に連結される第1抵抗、及び前記第2入力と接地との間に連結されて放電経路を提供する第2抵抗を含むことを特徴とする。
【選択図】図1
Description
このようなヘッドランプの動きを制御する間、ヘッドランプの動きを車両の移動方向、または移動速度に対応して変化させるためには、ヘッドランプ駆動回路のよりはやい応答速度が必要である。従って、ヘッドランプの駆動回路の充/放電時間を減らすことが必要である。特に、放電時間に対して特定自動車製造会社には、これを規格化しており、これを基準値以下に制御するための技術が必要である。
120 第1抵抗
130 第2抵抗
140 IC
Claims (7)
- 第1入力に連結される電源入力ポート及び第2入力に連結される動作モード選択ポートを備えた集積回路(IC)の入力端の放電経路を提供する回路であって、
前記電源入力ポートと前記第1入力との間に連結されて電源上のノイズをフィルタリングするLCフィルター部と、
前記第1入力と前記第2入力との間に連結される第1抵抗と、
前記第2入力と接地との間に連結されて放電経路を提供する第2抵抗とを含むことを特徴とする放電経路回路。 - 前記第1入力には前記ICの駆動のための電源が入力されることを特徴とする請求項1に記載の放電経路回路。
- 前記第2入力には前記ICの動作モード選択のための信号が入力されることを特徴とする請求項1に記載の放電経路回路。
- 前記LCフィルター部は、
前記第1入力と前記電源入力ポートとの間に連結されるインダクターと、
前記電源入力ポートと接地との間に連結されるキャパシターとを含むことを特徴とする請求項1に記載の放電経路回路。 - 前記インダクターのインダクタンス値は2.2μHで、前記キャパシターのキャパシタンス値は220uFであることを特徴とする請求項4に記載の放電経路回路。
- 前記第1抵抗は1kΩの抵抗値を有して、第2抵抗は750Ωの抵抗値を有することを特徴とする請求項1に記載の放電経路回路。
- 前記第1入力がオフ(off)される場合、前記電源入力ポートに充電された直流電源が前記第2抵抗を介して放電されることを特徴とする請求項1に記載の放電経路回路。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2011-0026298 | 2011-03-24 | ||
KR1020110026298A KR101762443B1 (ko) | 2011-03-24 | 2011-03-24 | 드라이버 ic 입력단의 방전 경로 회로 |
PCT/KR2011/005289 WO2012128426A1 (en) | 2011-03-24 | 2011-07-19 | A circuit for discharging at input stage of a driver ic |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014516326A true JP2014516326A (ja) | 2014-07-10 |
JP5666057B2 JP5666057B2 (ja) | 2015-02-12 |
Family
ID=46879547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014500977A Active JP5666057B2 (ja) | 2011-03-24 | 2011-07-19 | ドライバーic入力端の放電経路回路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9481289B2 (ja) |
EP (1) | EP2678189B1 (ja) |
JP (1) | JP5666057B2 (ja) |
KR (1) | KR101762443B1 (ja) |
CN (1) | CN103476635B (ja) |
WO (1) | WO2012128426A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05327459A (ja) * | 1991-12-06 | 1993-12-10 | Natl Semiconductor Corp <Ns> | 状態に依存する放電経路回路 |
JP3154763U (ja) * | 2009-05-26 | 2009-10-22 | 泰金▲宝▼電通股▲ふん▼有限公司 | 発光ダイオードの駆動回路及び照明装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3154763B2 (ja) * | 1991-09-24 | 2001-04-09 | エムピ−ジ−株式会社 | 携帯用水浄化具およびその製造方法 |
US5650694A (en) * | 1995-03-31 | 1997-07-22 | Philips Electronics North America Corporation | Lamp controller with lamp status detection and safety circuitry |
JP3919850B2 (ja) * | 1996-07-19 | 2007-05-30 | 株式会社小糸製作所 | 自動車用照明回路装置 |
DE69901259T2 (de) * | 1998-06-30 | 2002-12-05 | St Microelectronics Srl | Monolytisch integrierter spannungsauswahlschalter für elektrisch programmierbare speicher |
US6313616B1 (en) | 2000-09-21 | 2001-11-06 | Home Touch Lighting Systems Llc | Switching buck converter with floating regulator |
US6701488B2 (en) * | 2001-11-14 | 2004-03-02 | Sun Microsystems, Inc. | Reducing I/O supply noise with digital control |
JP4087211B2 (ja) * | 2002-10-08 | 2008-05-21 | 株式会社小糸製作所 | 車両用灯具 |
US7425849B2 (en) * | 2004-12-31 | 2008-09-16 | Stmicroelectronics Pvt. Ltd. | Low noise output buffer capable of operating at high speeds |
JP4731231B2 (ja) * | 2005-07-22 | 2011-07-20 | 株式会社小糸製作所 | 電源装置及び電源装置を備えた車両用灯具 |
CN101060740B (zh) * | 2006-04-21 | 2011-03-23 | 鸿富锦精密工业(深圳)有限公司 | 放电灯驱动装置 |
CN101106239B (zh) * | 2007-06-08 | 2011-11-30 | 吴君武 | 一种多功能插座 |
JP4799493B2 (ja) * | 2007-06-29 | 2011-10-26 | 株式会社小糸製作所 | 車両用灯具 |
WO2010112238A1 (de) * | 2009-04-03 | 2010-10-07 | Tridonicatco Gmbh & Co Kg | Treiberschaltung für eine led |
KR101787762B1 (ko) * | 2011-08-09 | 2017-10-18 | 엘지이노텍 주식회사 | 드라이버 ic 입력단의 방전 경로 회로 |
-
2011
- 2011-03-24 KR KR1020110026298A patent/KR101762443B1/ko active IP Right Grant
- 2011-07-19 WO PCT/KR2011/005289 patent/WO2012128426A1/en active Application Filing
- 2011-07-19 CN CN201180069546.7A patent/CN103476635B/zh active Active
- 2011-07-19 US US14/005,344 patent/US9481289B2/en active Active
- 2011-07-19 EP EP11861528.5A patent/EP2678189B1/en active Active
- 2011-07-19 JP JP2014500977A patent/JP5666057B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05327459A (ja) * | 1991-12-06 | 1993-12-10 | Natl Semiconductor Corp <Ns> | 状態に依存する放電経路回路 |
JP3154763U (ja) * | 2009-05-26 | 2009-10-22 | 泰金▲宝▼電通股▲ふん▼有限公司 | 発光ダイオードの駆動回路及び照明装置 |
Also Published As
Publication number | Publication date |
---|---|
CN103476635B (zh) | 2015-12-16 |
US9481289B2 (en) | 2016-11-01 |
US20140001954A1 (en) | 2014-01-02 |
KR20120108439A (ko) | 2012-10-05 |
EP2678189B1 (en) | 2019-04-03 |
EP2678189A1 (en) | 2014-01-01 |
EP2678189A4 (en) | 2014-09-03 |
CN103476635A (zh) | 2013-12-25 |
JP5666057B2 (ja) | 2015-02-12 |
KR101762443B1 (ko) | 2017-07-27 |
WO2012128426A1 (en) | 2012-09-27 |
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