JP4731231B2 - 電源装置及び電源装置を備えた車両用灯具 - Google Patents
電源装置及び電源装置を備えた車両用灯具 Download PDFInfo
- Publication number
- JP4731231B2 JP4731231B2 JP2005212081A JP2005212081A JP4731231B2 JP 4731231 B2 JP4731231 B2 JP 4731231B2 JP 2005212081 A JP2005212081 A JP 2005212081A JP 2005212081 A JP2005212081 A JP 2005212081A JP 4731231 B2 JP4731231 B2 JP 4731231B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- load
- voltage
- supply device
- capacitor
- 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.)
- Expired - Fee Related
Links
Images
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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33561—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having more than one ouput with independent control
-
- 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
-
- 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]
- H05B45/385—Switched mode power supply [SMPS] using flyback 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Description
12 スイッチングレギュレータ
14 チャージポンプ回路
16、18 LED
20 NMOSトランジスタ
22 制御回路
34、36 コンパレータ
38、40 エラーアンプ
Claims (5)
- 電源にトランスまたはコイルを介して接続されたスイッチング素子およびオンオフ信号を生成して前記スイッチング素子を制御する制御回路を有し、前記オンオフ信号に従った前記スイッチング素子のオンオフ動作によって前記電源からの入力電圧を第1の負荷に供給するスイッチングレギュレータと、前記スイッチング素子のオン動作時に前記電源と前記トランスまたはコイルとの接続点から電圧を受けて電荷を蓄積し、前記蓄積した電荷を前記スイッチング素子のオフ動作時に第2の負荷に放出するチャージポンプ回路とを備えてなる電源装置。
- 請求項1に記載の電源装置において、前記チャージポンプ回路は、互いに直列に接続されたダイオードとコンデンサを備え、前記ダイオードの一端が前記電源からの入力電圧を受け、前記ダイオードの他端と前記コンデンサの一端が接続され、前記コンデンサの他端が前記スイッチング素子に接続され、前記ダイオードの他端と前記コンデンサの一端との接続部から前記第2の負荷に電圧を供給してなることを特徴とする電源装置。
- 請求項1または2に記載の電源装置において、前記制御回路は、前記第1の負荷に供給される電圧に応じて前記オンオフ信号のオンデューティを制御するとともに、前記第2の負荷に放出される電荷に応じて前記スイッチング素子に対するオンオフ信号の周波数を制御してなることを特徴とする電源装置。
- 請求項1、2または3のうちいずれか1項に記載の電源装置において、前記チャージポンプ回路は、前記チャージポンプ回路の動作・不動作を規定するスイッチを有し、前記スイッチは、前記電源と前記スイッチング素子との間に挿入されてなることを特徴とする電源装置。
- 請求項1、2、3または4のうちいずれか1項に記載の電源装置と、前記第1の負荷および前記第2の負荷を備え、前記第1の負荷と前記第2の負荷は、互いに電力の異なる発光源または互いに種類の異なる発光源であることを特徴とする電源装置を備えた車両用灯具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005212081A JP4731231B2 (ja) | 2005-07-22 | 2005-07-22 | 電源装置及び電源装置を備えた車両用灯具 |
US11/490,560 US7443050B2 (en) | 2005-07-22 | 2006-07-21 | Power device for multiple light sources with switching and charge pump circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005212081A JP4731231B2 (ja) | 2005-07-22 | 2005-07-22 | 電源装置及び電源装置を備えた車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007037208A JP2007037208A (ja) | 2007-02-08 |
JP4731231B2 true JP4731231B2 (ja) | 2011-07-20 |
Family
ID=37678885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005212081A Expired - Fee Related JP4731231B2 (ja) | 2005-07-22 | 2005-07-22 | 電源装置及び電源装置を備えた車両用灯具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7443050B2 (ja) |
JP (1) | JP4731231B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007044936B4 (de) * | 2007-09-20 | 2011-08-11 | Continental Automotive GmbH, 30165 | Fahrzeuglichtanlage |
US8138630B2 (en) * | 2009-09-22 | 2012-03-20 | Ebay Inc. | Solar powered system with grid backup |
KR101762443B1 (ko) * | 2011-03-24 | 2017-07-27 | 엘지이노텍 주식회사 | 드라이버 ic 입력단의 방전 경로 회로 |
US9391509B2 (en) * | 2014-11-22 | 2016-07-12 | Active-Semi, Inc. | Switching regulator having fast startup time and low standby power |
CN110495252B (zh) * | 2017-02-24 | 2022-04-08 | 路创技术有限责任公司 | 用于负载控制装置的接通过程 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05191970A (ja) * | 1992-01-13 | 1993-07-30 | Sony Corp | 電源装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4388559A (en) * | 1980-07-17 | 1983-06-14 | Lefavour David W | Bicycle lighting system |
JPS6439263A (en) * | 1987-08-03 | 1989-02-09 | Sharp Kk | Output voltage stabilization in booster circuit |
US5621623A (en) * | 1994-01-28 | 1997-04-15 | Fujitsu Limited | DC-DC converter using flyback voltage |
JP3324386B2 (ja) * | 1995-06-02 | 2002-09-17 | 株式会社デンソー | 車両用放電灯制御装置 |
JP4148746B2 (ja) * | 2002-10-08 | 2008-09-10 | 株式会社小糸製作所 | 点灯回路 |
US7049762B2 (en) * | 2003-05-02 | 2006-05-23 | Bayco Products, Ltd. | Portable fluorescent task lamp |
-
2005
- 2005-07-22 JP JP2005212081A patent/JP4731231B2/ja not_active Expired - Fee Related
-
2006
- 2006-07-21 US US11/490,560 patent/US7443050B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05191970A (ja) * | 1992-01-13 | 1993-07-30 | Sony Corp | 電源装置 |
Also Published As
Publication number | Publication date |
---|---|
US7443050B2 (en) | 2008-10-28 |
JP2007037208A (ja) | 2007-02-08 |
US20070019443A1 (en) | 2007-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4093239B2 (ja) | 発光ダイオード駆動装置並びにそれを用いた照明器具、車室内用照明装置、車両用照明装置 | |
JP4169008B2 (ja) | Led駆動装置、及びそれを用いた照明装置 | |
US8994287B2 (en) | Light source control device | |
EP2204856A1 (en) | Light emitting diode drive device, illumination device, in-vehicle cabin illumination device, and vehicle illumination device | |
JP2006261682A (ja) | 発光ダイオードを駆動するための方法および回路構成 | |
CN107148105B (zh) | 用于机动车辆的照明装置的包括多个输出的电源 | |
JP2008263203A (ja) | 高効率acled駆動回路 | |
JPWO2007069371A1 (ja) | 発光ダイオード点灯装置およびこの装置を使用した車両用灯具点灯装置 | |
EP2608638B1 (en) | Lighting device and illumination apparatus including same | |
JP2006164727A (ja) | 車両用灯具の点灯制御回路 | |
JP4731231B2 (ja) | 電源装置及び電源装置を備えた車両用灯具 | |
JP2012079680A (ja) | 放電灯点灯回路 | |
JP3648214B2 (ja) | 自励発振同期式ブーストコンバータ | |
JP2008210607A (ja) | 発光装置 | |
JP2004140886A (ja) | スイッチングレギュレータ回路、及び車両用灯具 | |
JP2009214789A (ja) | 車両用灯具 | |
JP5824312B2 (ja) | 昇降圧コンバータ | |
JP2016210234A (ja) | 点灯回路、車両用灯具 | |
JP2007203946A (ja) | 車両用発光装置 | |
US12101857B2 (en) | Light source driver circuit, optical measuring device comprising the light source driver circuit, device for checking value documents, and method for operating a light source load by means of the light source driver circuit | |
JP2021002440A (ja) | 点灯制御装置、点灯制御方法、車両用灯具 | |
JP4506593B2 (ja) | 照明装置 | |
US20220264720A1 (en) | Light source driver circuit, optical measuring device comprising the light source driver circuit, device for checking value documents, and method for operating a light source load by means of the light source driver circuit | |
EP2219422B1 (en) | Discharge lamp lighting circuit having a starter circuit | |
CN110651421B (zh) | 具有可选输出电压范围的转换器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080324 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20101119 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101124 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110121 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110419 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110419 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140428 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |