JP2017531418A5 - - Google Patents
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- Publication number
- JP2017531418A5 JP2017531418A5 JP2017519887A JP2017519887A JP2017531418A5 JP 2017531418 A5 JP2017531418 A5 JP 2017531418A5 JP 2017519887 A JP2017519887 A JP 2017519887A JP 2017519887 A JP2017519887 A JP 2017519887A JP 2017531418 A5 JP2017531418 A5 JP 2017531418A5
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- timing capacitor
- power inductor
- constant current
- current
- 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.)
- Ceased
Links
- 239000003990 capacitor Substances 0.000 claims description 71
- 238000000034 method Methods 0.000 claims description 35
- 238000005070 sampling Methods 0.000 claims description 22
- 230000005669 field effect Effects 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical group 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 238000012935 Averaging Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462065152P | 2014-10-17 | 2014-10-17 | |
| US62/065,152 | 2014-10-17 | ||
| US14/883,381 | 2015-10-14 | ||
| US14/883,381 US9778289B2 (en) | 2014-10-17 | 2015-10-14 | Measuring output current in a buck SMPS |
| PCT/US2015/055859 WO2016061426A1 (en) | 2014-10-17 | 2015-10-16 | Measuring output current in a buck smps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017531418A JP2017531418A (ja) | 2017-10-19 |
| JP2017531418A5 true JP2017531418A5 (enExample) | 2018-11-08 |
Family
ID=54364753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017519887A Ceased JP2017531418A (ja) | 2014-10-17 | 2015-10-16 | バックsmpsにおける出力電流の測定 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US9778289B2 (enExample) |
| EP (1) | EP3207627B1 (enExample) |
| JP (1) | JP2017531418A (enExample) |
| KR (1) | KR20170071473A (enExample) |
| CN (1) | CN106664018B (enExample) |
| TW (2) | TWI688775B (enExample) |
| WO (1) | WO2016061426A1 (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9778289B2 (en) * | 2014-10-17 | 2017-10-03 | Microchip Technology Incorporated | Measuring output current in a buck SMPS |
| CN106130319B (zh) * | 2016-08-22 | 2019-04-16 | 昂宝电子(上海)有限公司 | 一种驱动功率晶体管的系统和方法 |
| US10199929B2 (en) * | 2016-10-03 | 2019-02-05 | Texas Instruments Incorporated | Transient event detector circuit and method |
| US9853548B1 (en) * | 2017-02-06 | 2017-12-26 | Alpha And Omega Semiconductor Incorporated | Accurate high-side current emulation with auto-conversion for smart power stage applications |
| US10063146B1 (en) * | 2017-03-31 | 2018-08-28 | Alpha And Omega Semiconductor (Cayman) Ltd. | Full-time inductor current monitoring method by sensing low side switch |
| CN107132404B (zh) * | 2017-05-15 | 2019-11-05 | 矽力杰半导体技术(杭州)有限公司 | 检测方法、检测电路、控制器及开关电源 |
| KR102281654B1 (ko) | 2017-06-08 | 2021-07-29 | 현대자동차주식회사 | 하이브리드 자동차 및 그를 위한 제어방법 |
| US10361684B2 (en) * | 2017-07-19 | 2019-07-23 | Invecas, Inc. | Duty cycle detection |
| CN107493099B (zh) * | 2017-08-22 | 2021-11-26 | 钰泰半导体股份有限公司 | 一种芯片工作模式的设置方法 |
| US10056819B1 (en) * | 2017-10-24 | 2018-08-21 | Texas Instruments Incorporated | Predicting the timing of current phases of a DC-DC converter |
| TWI650922B (zh) * | 2018-02-07 | 2019-02-11 | 新唐科技股份有限公司 | 具保護電路之半橋電路驅動晶片及其保護方法 |
| JP2019149614A (ja) * | 2018-02-26 | 2019-09-05 | ルネサスエレクトロニクス株式会社 | 電流検出回路、半導体装置、及び、半導体システム |
| CN109450016B (zh) * | 2018-10-29 | 2020-11-03 | Oppo广东移动通信有限公司 | 放电方法、移动电源及计算机存储介质 |
| US10830799B1 (en) | 2019-07-12 | 2020-11-10 | Alpha And Omega Semiconductor (Cayman) Ltd. | Temperature and VGS compensation for current sensing using Rdson in MOSFETS |
| DE112020003785T5 (de) * | 2019-08-08 | 2022-07-07 | Casco Products Corporation | Verfahren zum Vorladen von großen Kondensatoren und Schaltung |
| CN110768510B (zh) | 2019-09-30 | 2022-09-20 | 上海矽力杰微电子技术有限公司 | 控制电路和方法以及功率变换器 |
| TWI728588B (zh) | 2019-12-11 | 2021-05-21 | 茂達電子股份有限公司 | 固定導通時間電源轉換器的電流偵測電路及方法 |
| US11469669B2 (en) * | 2020-01-31 | 2022-10-11 | Texas Instruments Incorporated | Methods and circuitry to detect PFM mode entry in wide duty range DC converter |
| WO2021246405A1 (ja) * | 2020-06-01 | 2021-12-09 | 国立大学法人大阪大学 | 計測装置 |
| KR102624192B1 (ko) * | 2021-11-30 | 2024-01-11 | 한국과학기술원 | 프리차지 방법 및 이를 이용하는 프리차지 회로 |
| US12055565B2 (en) | 2022-11-22 | 2024-08-06 | Alpha And Omega Semiconductor International Lp | Linear discrete Rdson temperature VGS compensation |
| US12301091B2 (en) | 2022-11-22 | 2025-05-13 | Alpha And Omega Semiconductor International Lp | Artificial dual closed-loop full-time inductor current sensing |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5835361A (en) * | 1997-04-16 | 1998-11-10 | Thomson Consumer Electronics, Inc. | Switch-mode power supply with over-current protection |
| JP2004536546A (ja) * | 2001-07-20 | 2004-12-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 発振回路、斯かる発振回路を有するコンバータ、及び斯かるコンバータを有するプレコンディショニング装置 |
| US7026797B2 (en) * | 2003-03-21 | 2006-04-11 | Tropian, Inc. | Extremely high-speed switchmode DC-DC converters |
| US7626369B2 (en) * | 2003-09-25 | 2009-12-01 | Nxp B.V. | Switch mode power converter |
| US7362191B2 (en) * | 2004-04-29 | 2008-04-22 | Linear Technology Corporation | Methods and circuits for frequency modulation that reduce the spectral noise of switching regulators |
| US7274183B1 (en) | 2005-11-02 | 2007-09-25 | National Semiconductor Corporation | Versatile system for high-power switching controller in low-power semiconductor technology |
| GB0615029D0 (en) * | 2005-12-22 | 2006-09-06 | Cambridge Semiconductor Ltd | Switch mode power supply controllers |
| EP1936792B1 (en) * | 2006-12-22 | 2010-07-28 | STMicroelectronics Design and Application S.R.O. | Synchronous rectifier having precise on/off switching times |
| US7460441B2 (en) | 2007-01-12 | 2008-12-02 | Microchip Technology Incorporated | Measuring a long time period |
| US7764213B2 (en) | 2008-07-01 | 2010-07-27 | Microchip Technology Incorporated | Current-time digital-to-analog converter |
| US8525498B2 (en) | 2008-07-31 | 2013-09-03 | Monolithic Power Systems, Inc. | Average input current limit method and apparatus thereof |
| JP2010103707A (ja) * | 2008-10-22 | 2010-05-06 | Canon Inc | チャージポンプ回路、及びクロック生成器 |
| CN103427647B (zh) * | 2012-05-22 | 2016-02-17 | 通嘉科技股份有限公司 | 电源供应器以及电源控制器 |
| AT512780B1 (de) * | 2012-06-13 | 2013-11-15 | Fronius Int Gmbh | Schaltnetzteil sowie Wechselrichter und Strangüberwachung mit einem solchen Schaltnetzteil |
| US9285399B2 (en) | 2012-06-29 | 2016-03-15 | Infineon Technologies Austria Ag | Switching regulator cycle-by-cycle current estimation |
| CN102891611B (zh) * | 2012-06-30 | 2014-10-08 | 华为技术有限公司 | 五电平功率变换器及其控制方法、控制装置 |
| CN102820781B (zh) * | 2012-08-30 | 2014-08-06 | 东南大学 | 一种基于纹波控制的单电感双输出开关电源 |
| US9564810B2 (en) * | 2013-03-28 | 2017-02-07 | Infineon Technologies Austria Ag | Switched mode power supply |
| TWM472362U (zh) * | 2013-08-07 | 2014-02-11 | Richtek Technology Corp | 降壓型切換式電源供應器 |
| CN103532555A (zh) * | 2013-10-23 | 2014-01-22 | 电子科技大学 | 基于压控振荡器的电压比较器 |
| US9778289B2 (en) * | 2014-10-17 | 2017-10-03 | Microchip Technology Incorporated | Measuring output current in a buck SMPS |
-
2015
- 2015-10-14 US US14/883,381 patent/US9778289B2/en not_active Expired - Fee Related
- 2015-10-16 WO PCT/US2015/055859 patent/WO2016061426A1/en not_active Ceased
- 2015-10-16 KR KR1020177006189A patent/KR20170071473A/ko not_active Withdrawn
- 2015-10-16 EP EP15787391.0A patent/EP3207627B1/en not_active Not-in-force
- 2015-10-16 TW TW108119510A patent/TWI688775B/zh not_active IP Right Cessation
- 2015-10-16 CN CN201580045951.3A patent/CN106664018B/zh not_active Expired - Fee Related
- 2015-10-16 JP JP2017519887A patent/JP2017531418A/ja not_active Ceased
- 2015-10-16 TW TW104134090A patent/TW201625967A/zh unknown
-
2017
- 2017-10-02 US US15/723,115 patent/US10114046B2/en active Active
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