JPWO2023002852A1 - - Google Patents
Info
- Publication number
- JPWO2023002852A1 JPWO2023002852A1 JP2023536684A JP2023536684A JPWO2023002852A1 JP WO2023002852 A1 JPWO2023002852 A1 JP WO2023002852A1 JP 2023536684 A JP2023536684 A JP 2023536684A JP 2023536684 A JP2023536684 A JP 2023536684A JP WO2023002852 A1 JPWO2023002852 A1 JP WO2023002852A1
- Authority
- JP
- Japan
- 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
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2023002852A1 true JPWO2023002852A1 (https=) | 2023-01-26 |
| JPWO2023002852A5 JPWO2023002852A5 (https=) | 2024-04-15 |
Family
ID=84979158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023536684A Pending JPWO2023002852A1 (https=) | 2021-07-20 | 2022-07-07 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12557192B2 (https=) |
| JP (1) | JPWO2023002852A1 (https=) |
| CN (1) | CN117652086A (https=) |
| WO (1) | WO2023002852A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118870600B (zh) * | 2024-09-27 | 2025-02-18 | 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)
| 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 |
-
2022
- 2022-07-07 WO PCT/JP2022/026940 patent/WO2023002852A1/ja not_active Ceased
- 2022-07-07 JP JP2023536684A patent/JPWO2023002852A1/ja active Pending
- 2022-07-07 CN CN202280050352.0A patent/CN117652086A/zh active Pending
-
2023
- 2023-12-27 US US18/397,488 patent/US12557192B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US12557192B2 (en) | 2026-02-17 |
| US20240130018A1 (en) | 2024-04-18 |
| WO2023002852A1 (ja) | 2023-01-26 |
| CN117652086A (zh) | 2024-03-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231222 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20250626 |