TWI366335B - Synchronous rectifying circuit for power converter and method using the same - Google Patents
Synchronous rectifying circuit for power converter and method using the sameInfo
- Publication number
- TWI366335B TWI366335B TW097101347A TW97101347A TWI366335B TW I366335 B TWI366335 B TW I366335B TW 097101347 A TW097101347 A TW 097101347A TW 97101347 A TW97101347 A TW 97101347A TW I366335 B TWI366335 B TW I366335B
- Authority
- TW
- Taiwan
- Prior art keywords
- same
- power converter
- rectifying circuit
- synchronous rectifying
- synchronous
- Prior art date
Links
- 230000001360 synchronised effect Effects 0.000 title 1
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
- H02M3/33569—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 several active switching elements
- H02M3/33576—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 several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—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 several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/927,619 US7974108B2 (en) | 2007-10-29 | 2007-10-29 | Synchronous rectifying circuit for offline power converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200919923A TW200919923A (en) | 2009-05-01 |
| TWI366335B true TWI366335B (en) | 2012-06-11 |
Family
ID=40188760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097101347A TWI366335B (en) | 2007-10-29 | 2008-01-14 | Synchronous rectifying circuit for power converter and method using the same |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7974108B2 (zh) |
| CN (1) | CN101325370B (zh) |
| TW (1) | TWI366335B (zh) |
| WO (1) | WO2009055975A1 (zh) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9787198B1 (en) | 2016-05-23 | 2017-10-10 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods with prediction mechanisms for synchronization rectifier controllers |
| US10063153B2 (en) | 2012-04-12 | 2018-08-28 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10148189B2 (en) | 2017-02-24 | 2018-12-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods with timing control for synchronization rectifier controllers |
| US10193451B2 (en) | 2012-04-12 | 2019-01-29 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10411605B2 (en) | 2012-04-12 | 2019-09-10 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10622903B2 (en) | 2012-04-12 | 2020-04-14 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US11757366B2 (en) | 2020-05-29 | 2023-09-12 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for synchronous rectification of power supply systems |
| US11764697B2 (en) | 2020-01-20 | 2023-09-19 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling synchronous rectification |
| US12047007B2 (en) | 2021-03-11 | 2024-07-23 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling gate voltage increase on primary side to reduce voltage spike on secondary side of switching power supplies |
| US12095379B2 (en) | 2021-07-07 | 2024-09-17 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling synchronous rectification with variable voltage regulation |
| US12506416B2 (en) | 2021-07-29 | 2025-12-23 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for adjusting output voltages with output voltage detection on secondary sides of power converters |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7701736B2 (en) * | 2007-08-08 | 2010-04-20 | System General Corp. | Synchronous rectifying circuit for resonant power converters |
| US7885084B2 (en) * | 2007-10-03 | 2011-02-08 | System General Corp. | Control circuit for synchronous rectifying and soft switching of power converters |
| CN101795076B (zh) * | 2009-01-29 | 2015-04-15 | 富士电机株式会社 | 功率变换器以及控制功率变换器的方法 |
| CN102055340B (zh) * | 2009-11-03 | 2013-03-20 | 络能(上海)电子技术有限公司 | 全桥直流-直流变换器的控制方法 |
| US20110305048A1 (en) * | 2010-06-11 | 2011-12-15 | System General Corp. | Active-clamp circuit for quasi-resonant flyback power converter |
| CN102468757B (zh) | 2010-11-17 | 2015-03-25 | 通嘉科技股份有限公司 | 控制器、电源供应器与控制方法 |
| TWI430547B (zh) * | 2010-11-17 | 2014-03-11 | Acbel Polytech Inc | Full - bridge phase - shift synchronous rectifier power supply and its dynamic adjustment delay parameter method |
| TWI583088B (zh) * | 2010-12-06 | 2017-05-11 | 通嘉科技股份有限公司 | 控制器、電源供應器、與控制方法 |
| TWI514708B (zh) * | 2010-12-06 | 2015-12-21 | Leadtrend Tech Corp | 用以控制電源供應器之功率開關的控制器與適用於電源供應器的控制方法 |
| JP5575731B2 (ja) * | 2011-11-17 | 2014-08-20 | 株式会社日立情報通信エンジニアリング | 電源装置および電源装置の制御方法 |
| CN102969912B (zh) * | 2012-10-23 | 2014-08-13 | 矽力杰半导体技术(杭州)有限公司 | 控制和驱动电路及方法 |
| CN105680707A (zh) * | 2016-03-30 | 2016-06-15 | 无锡市芯茂微电子有限公司 | 隔离型同步整流控制电路的同步整流芯片保护方法和同步整流芯片 |
| US10305363B1 (en) * | 2018-03-29 | 2019-05-28 | Semiconductor Components Industries, Llc | Current doubling DC-DC converter with efficient sleep mode |
| US12160178B2 (en) * | 2022-07-08 | 2024-12-03 | Delta Electronics, Inc. | Soft-switched resonant DC-DC converter with wide gain range |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI109248B (fi) * | 1999-07-19 | 2002-06-14 | Nokia Corp | Teholähde ja tasasuuntaajan oikosulkuvirran rajoitusjärjestely |
| JP3346543B2 (ja) | 1999-08-26 | 2002-11-18 | ティーディーケイ株式会社 | スイッチング電源装置 |
| TW571495B (en) * | 2002-07-04 | 2004-01-11 | Delta Electronics Inc | Synchronous rectifier device |
| CN1300922C (zh) * | 2002-07-30 | 2007-02-14 | 台达电子工业股份有限公司 | 同步整流装置 |
| CN100424975C (zh) * | 2005-02-25 | 2008-10-08 | 台达电子工业股份有限公司 | Llc串联谐振变换器与其同步整流功率开关驱动方法 |
| US7173835B1 (en) * | 2005-11-16 | 2007-02-06 | System General Corp. | Control circuit associated with saturable inductor operated as synchronous rectifier forward power converter |
| US7701733B2 (en) * | 2007-06-14 | 2010-04-20 | System General Corp. | Method and apparatus to provide synchronous rectifying circuit for offline power converters |
| US7787264B2 (en) * | 2007-07-25 | 2010-08-31 | System General Corp. | Apparatus to provide synchronous rectifying circuit for flyback power converters |
| US7701736B2 (en) * | 2007-08-08 | 2010-04-20 | System General Corp. | Synchronous rectifying circuit for resonant power converters |
| US7885084B2 (en) * | 2007-10-03 | 2011-02-08 | System General Corp. | Control circuit for synchronous rectifying and soft switching of power converters |
| US7911813B2 (en) * | 2008-07-21 | 2011-03-22 | System General Corp. | Offline synchronous rectifying circuit with sense transistor for resonant switching power converter |
-
2007
- 2007-10-29 US US11/927,619 patent/US7974108B2/en active Active
- 2007-11-19 WO PCT/CN2007/003259 patent/WO2009055975A1/en not_active Ceased
-
2008
- 2008-01-11 CN CN2008100029466A patent/CN101325370B/zh not_active Expired - Fee Related
- 2008-01-14 TW TW097101347A patent/TWI366335B/zh not_active IP Right Cessation
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10622902B2 (en) | 2012-04-12 | 2020-04-14 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10411604B2 (en) | 2012-04-12 | 2019-09-10 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10063153B2 (en) | 2012-04-12 | 2018-08-28 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10122284B2 (en) | 2012-04-12 | 2018-11-06 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US11764684B2 (en) | 2012-04-12 | 2023-09-19 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10193451B2 (en) | 2012-04-12 | 2019-01-29 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10411605B2 (en) | 2012-04-12 | 2019-09-10 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US11581815B2 (en) | 2012-04-12 | 2023-02-14 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US11588405B2 (en) | 2012-04-12 | 2023-02-21 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10622903B2 (en) | 2012-04-12 | 2020-04-14 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
| US10483856B2 (en) | 2016-05-23 | 2019-11-19 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods with prediction mechanisms for synchronization rectifier controllers |
| US9787198B1 (en) | 2016-05-23 | 2017-10-10 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods with prediction mechanisms for synchronization rectifier controllers |
| TWI608695B (zh) * | 2016-05-23 | 2017-12-11 | System controller and method for regulating power converter | |
| US10651747B2 (en) | 2017-02-24 | 2020-05-12 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods with timing control for synchronization rectifier controllers |
| US10148189B2 (en) | 2017-02-24 | 2018-12-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods with timing control for synchronization rectifier controllers |
| US11764697B2 (en) | 2020-01-20 | 2023-09-19 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling synchronous rectification |
| US12267021B2 (en) | 2020-01-20 | 2025-04-01 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling synchronous rectification |
| US11757366B2 (en) | 2020-05-29 | 2023-09-12 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for synchronous rectification of power supply systems |
| US12261541B2 (en) | 2020-05-29 | 2025-03-25 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for synchronous rectification of power supply systems |
| US12047007B2 (en) | 2021-03-11 | 2024-07-23 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling gate voltage increase on primary side to reduce voltage spike on secondary side of switching power supplies |
| US12323066B2 (en) | 2021-03-11 | 2025-06-03 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling gate voltage increase on primary side to reduce voltage spike on secondary side of switching power supplies |
| US12095379B2 (en) | 2021-07-07 | 2024-09-17 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling synchronous rectification with variable voltage regulation |
| US12506416B2 (en) | 2021-07-29 | 2025-12-23 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for adjusting output voltages with output voltage detection on secondary sides of power converters |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009055975A1 (en) | 2009-05-07 |
| TW200919923A (en) | 2009-05-01 |
| CN101325370B (zh) | 2010-09-29 |
| US20090110129A1 (en) | 2009-04-30 |
| US7974108B2 (en) | 2011-07-05 |
| CN101325370A (zh) | 2008-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |