TWI562526B - Method for controlling synchronous rectifier of power converter and control circuit using the same - Google Patents
Method for controlling synchronous rectifier of power converter and control circuit using the sameInfo
- Publication number
- TWI562526B TWI562526B TW103128153A TW103128153A TWI562526B TW I562526 B TWI562526 B TW I562526B TW 103128153 A TW103128153 A TW 103128153A TW 103128153 A TW103128153 A TW 103128153A TW I562526 B TWI562526 B TW I562526B
- Authority
- TW
- Taiwan
- Prior art keywords
- control circuit
- same
- power converter
- synchronous rectifier
- controlling synchronous
- Prior art date
Links
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
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- 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 |
---|---|---|---|
US201361866565P | 2013-08-16 | 2013-08-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW201521347A TW201521347A (zh) | 2015-06-01 |
TWI562526B true TWI562526B (en) | 2016-12-11 |
Family
ID=52466717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW103128153A TWI562526B (en) | 2013-08-16 | 2014-08-15 | Method for controlling synchronous rectifier of power converter and control circuit using the same |
Country Status (3)
Country | Link |
---|---|
US (1) | US9509224B2 (zh) |
CN (1) | CN105099238B (zh) |
TW (1) | TWI562526B (zh) |
Families Citing this family (14)
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 |
CN107294405B (zh) * | 2017-07-03 | 2019-06-28 | 昂宝电子(上海)有限公司 | 用于调节电源变换器的系统控制器和方法 |
CN103378751B (zh) | 2012-04-12 | 2015-04-01 | 昂宝电子(上海)有限公司 | 用于开关反激式电源变换系统的系统和方法 |
US9595874B2 (en) | 2012-04-12 | 2017-03-14 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
US9413246B2 (en) | 2012-04-12 | 2016-08-09 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for regulating power conversion systems with output detection and synchronized rectifying mechanisms |
TWI558077B (zh) * | 2015-08-10 | 2016-11-11 | 杰力科技股份有限公司 | 電源轉換裝置 |
US9825548B2 (en) * | 2016-02-02 | 2017-11-21 | Fairchild Semiconductor Corporation | Adaptive turn-off trigger blanking for synchronous rectification |
CN106026703B (zh) * | 2016-05-23 | 2018-07-13 | 昂宝电子(上海)有限公司 | 具有用于同步整流控制器的预测机制的系统和方法 |
US9906145B2 (en) * | 2016-06-16 | 2018-02-27 | Nxp B.V. | Power converter with load switch fault protection |
CN109802559B (zh) * | 2016-09-28 | 2020-07-31 | 杰华特微电子(杭州)有限公司 | 同步整流控制电路、方法及反激式开关电路 |
CN106817031B (zh) | 2017-02-24 | 2019-05-28 | 昂宝电子(上海)有限公司 | 具有对于同步整流控制器的定时控制的系统和方法 |
TWI622257B (zh) * | 2017-07-05 | 2018-04-21 | 力林科技股份有限公司 | 電源轉換裝置及其同步整流電路 |
CN111146961B (zh) | 2020-01-20 | 2022-04-12 | 昂宝电子(上海)有限公司 | 用于控制同步整流系统的控制电路及方法 |
CN111697838B (zh) | 2020-05-29 | 2023-09-26 | 昂宝电子(上海)有限公司 | 同步整流控制电路、方法和开关电源系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM283432U (en) * | 2005-09-12 | 2005-12-11 | Niko Semiconductor Co Ltd | Synchronous rectification controller |
US20060018135A1 (en) * | 2004-07-20 | 2006-01-26 | Ta-Yung Yang | Pwm controller for synchronous rectifier of flyback power converter |
US20070201252A1 (en) * | 2006-02-24 | 2007-08-30 | Ta-Yung Yang | Control circuit having two-level under voltage lockout threshold to improve the protection of power supply |
US20090003019A1 (en) * | 2006-08-11 | 2009-01-01 | System General Corp. | Synchronous rectification circuit for power converters |
CN101692596B (zh) * | 2008-11-20 | 2012-07-04 | 杭州矽力杰半导体技术有限公司 | 同步整流器的控制电路和控制方法 |
TWI389435B (zh) * | 2007-12-03 | 2013-03-11 | System General Corp | 離線式功率轉換器之同步調整電路 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4751105B2 (ja) * | 2005-05-26 | 2011-08-17 | ローム株式会社 | 電源装置の制御回路、それを用いた電源装置ならびに電子機器 |
US8023289B2 (en) | 2008-11-20 | 2011-09-20 | System General Corp. | Offline synchronous rectifier with causal circuit for resonant switching power converter |
US8570772B2 (en) * | 2012-01-26 | 2013-10-29 | Linear Technology Corporation | Isolated flyback converter with efficient light load operation |
CN103516181B (zh) * | 2013-09-04 | 2017-01-04 | 崇贸科技股份有限公司 | 控制电路以及同步整流控制电路 |
-
2014
- 2014-08-15 US US14/460,373 patent/US9509224B2/en active Active
- 2014-08-15 TW TW103128153A patent/TWI562526B/zh active
-
2015
- 2015-08-13 CN CN201510494832.8A patent/CN105099238B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060018135A1 (en) * | 2004-07-20 | 2006-01-26 | Ta-Yung Yang | Pwm controller for synchronous rectifier of flyback power converter |
TWM283432U (en) * | 2005-09-12 | 2005-12-11 | Niko Semiconductor Co Ltd | Synchronous rectification controller |
US20070201252A1 (en) * | 2006-02-24 | 2007-08-30 | Ta-Yung Yang | Control circuit having two-level under voltage lockout threshold to improve the protection of power supply |
US20090003019A1 (en) * | 2006-08-11 | 2009-01-01 | System General Corp. | Synchronous rectification circuit for power converters |
TWI389435B (zh) * | 2007-12-03 | 2013-03-11 | System General Corp | 離線式功率轉換器之同步調整電路 |
CN101692596B (zh) * | 2008-11-20 | 2012-07-04 | 杭州矽力杰半导体技术有限公司 | 同步整流器的控制电路和控制方法 |
Also Published As
Publication number | Publication date |
---|---|
US20150049523A1 (en) | 2015-02-19 |
CN105099238A (zh) | 2015-11-25 |
CN105099238B (zh) | 2017-08-25 |
TW201521347A (zh) | 2015-06-01 |
US9509224B2 (en) | 2016-11-29 |
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