CN203596731U - 开关电源功率nmos管电流过零和谐振波谷检测电路 - Google Patents
开关电源功率nmos管电流过零和谐振波谷检测电路 Download PDFInfo
- Publication number
- CN203596731U CN203596731U CN201320769206.1U CN201320769206U CN203596731U CN 203596731 U CN203596731 U CN 203596731U CN 201320769206 U CN201320769206 U CN 201320769206U CN 203596731 U CN203596731 U CN 203596731U
- Authority
- CN
- China
- Prior art keywords
- output
- timing device
- triggering timing
- nmos tube
- gate
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 101100464779 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) CNA1 gene Proteins 0.000 description 7
- 230000001939 inductive effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320769206.1U CN203596731U (zh) | 2013-11-30 | 2013-11-30 | 开关电源功率nmos管电流过零和谐振波谷检测电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320769206.1U CN203596731U (zh) | 2013-11-30 | 2013-11-30 | 开关电源功率nmos管电流过零和谐振波谷检测电路 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203596731U true CN203596731U (zh) | 2014-05-14 |
Family
ID=50677588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320769206.1U Expired - Lifetime CN203596731U (zh) | 2013-11-30 | 2013-11-30 | 开关电源功率nmos管电流过零和谐振波谷检测电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203596731U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105403753A (zh) * | 2015-11-26 | 2016-03-16 | 成都启臣微电子有限公司 | 一种开关电源初级电感峰值电流辅助采样电路 |
-
2013
- 2013-11-30 CN CN201320769206.1U patent/CN203596731U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105403753A (zh) * | 2015-11-26 | 2016-03-16 | 成都启臣微电子有限公司 | 一种开关电源初级电感峰值电流辅助采样电路 |
CN105403753B (zh) * | 2015-11-26 | 2018-02-06 | 成都启臣微电子股份有限公司 | 一种开关电源初级电感峰值电流辅助采样电路 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103795260B (zh) | 一种非互补反激有源钳位变换器 | |
CN102983760B (zh) | 反激式开关电源系统及其恒流控制器 | |
CN101951716B (zh) | 恒导通时间的高功率因数led驱动器原边恒流控制装置 | |
CN104300795A (zh) | 一种反激变换器及其控制方法 | |
CN106300275A (zh) | 一种buck驱动电路、电源芯片及其应用 | |
CN103944392A (zh) | 用于在同步回扫转换器中使用的次级控制器 | |
US20170373603A1 (en) | Power conversion circuit with indicator coupled to input terminal to signal condition of the controller | |
CN203661377U (zh) | 双绕组单级原边反馈的led灯驱动电路 | |
CN104734502B (zh) | 一种dc‑dc变换器轻载高效实现电路 | |
CN103066855A (zh) | 用于电源变换系统中的零电压开关的系统和方法 | |
CN208656639U (zh) | 用于开关变换器的控制电路及开关变换器 | |
CN106374751B (zh) | 一种同步整流控制芯片 | |
CN105006966A (zh) | 一种开关电源控制芯片及反激式ac-dc转换器 | |
CN103997191B (zh) | 开关电源功率管过载检测电路 | |
CN104010421A (zh) | 一种用于led驱动电路的恒流输出控制装置 | |
CN103415120B (zh) | 一种电源管理驱动芯片及该芯片的应用电路 | |
CN203788149U (zh) | 反激式隔离型开关电源 | |
CN203596730U (zh) | 降压开关电源功率管过零检测电路 | |
CN103152955B (zh) | 一种led电流检测和控制电路及其方法 | |
CN106452086B (zh) | 一种同步整流控制电路 | |
CN205213121U (zh) | 控制电路、led驱动芯片及led恒流驱动控制电路 | |
CN203574543U (zh) | 降压开关电源 | |
CN103944379B (zh) | 直流转换开关降压开关电源 | |
WO2016177118A1 (zh) | 一种高低边自举驱动控制方法及装置 | |
CN203596731U (zh) | 开关电源功率nmos管电流过零和谐振波谷检测电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160418 Address after: 201204 Zhang Heng road Shanghai, Pudong New Area Zhangjiang hi tech Park Lane 666 No. 2 floor 504-511 room 5 Patentee after: Shanghai Bright Power Semiconductor Co.,Ltd. Address before: West high tech Zone Fucheng Road in Chengdu city of Sichuan province 610000 399 No. 6 Building 1 unit 10 floor No. 2 Patentee before: CHENGDU MINCHUANG SCIENCE & TECHNOLOGY Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 5 room 504-511, room 2, Lane 666, Zhang Heng Road, Pudong New Area, China (Shanghai) free trade zone, Shanghai, China () Patentee after: SHANGHAI BRIGHT POWER SEMICONDUCTOR Co.,Ltd. Address before: 201204 Zhang Heng road Shanghai, Pudong New Area Zhangjiang hi tech Park Lane 666 No. 2 floor 504-511 room 5 Patentee before: Shanghai Bright Power Semiconductor Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140514 |