TW201625967A - 量測在降壓切換模式電源供應器中之輸出電流 - Google Patents
量測在降壓切換模式電源供應器中之輸出電流 Download PDFInfo
- Publication number
- TW201625967A TW201625967A TW104134090A TW104134090A TW201625967A TW 201625967 A TW201625967 A TW 201625967A TW 104134090 A TW104134090 A TW 104134090A TW 104134090 A TW104134090 A TW 104134090A TW 201625967 A TW201625967 A TW 201625967A
- Authority
- TW
- Taiwan
- Prior art keywords
- voltage
- current
- timing capacitor
- constant current
- sampling
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 124
- 238000005070 sampling Methods 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 34
- 230000005669 field effect Effects 0.000 claims description 22
- 238000007600 charging Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 7
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 7
- 238000012935 Averaging Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010277 constant-current charging Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0046—Arrangements for measuring currents or voltages or for indicating presence or sign thereof characterised by a specific application or detail not covered by any other subgroup of G01R19/00
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M3/156—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 with automatic control of output voltage or current, e.g. switching regulators
-
- 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
- H02M3/156—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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- 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
- H02M3/156—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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1588—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load comprising at least one synchronous rectifier element
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462065152P | 2014-10-17 | 2014-10-17 | |
| US14/883,381 US9778289B2 (en) | 2014-10-17 | 2015-10-14 | Measuring output current in a buck SMPS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201625967A true TW201625967A (zh) | 2016-07-16 |
Family
ID=54364753
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW104134090A TW201625967A (zh) | 2014-10-17 | 2015-10-16 | 量測在降壓切換模式電源供應器中之輸出電流 |
| TW108119510A TWI688775B (zh) | 2014-10-17 | 2015-10-16 | 量測在降壓切換模式電源供應器中之輸出電流 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW108119510A TWI688775B (zh) | 2014-10-17 | 2015-10-16 | 量測在降壓切換模式電源供應器中之輸出電流 |
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) | TW201625967A (enExample) |
| WO (1) | WO2016061426A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (21)
| 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 |
| 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 |
| JP7598659B2 (ja) * | 2020-06-01 | 2024-12-12 | 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 |
| US12301091B2 (en) | 2022-11-22 | 2025-05-13 | Alpha And Omega Semiconductor International Lp | Artificial dual closed-loop full-time inductor current sensing |
| US12055565B2 (en) | 2022-11-22 | 2024-08-06 | Alpha And Omega Semiconductor International Lp | Linear discrete Rdson temperature VGS compensation |
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| US5835361A (en) * | 1997-04-16 | 1998-11-10 | Thomson Consumer Electronics, Inc. | Switch-mode power supply with over-current protection |
| KR20040018489A (ko) * | 2001-07-20 | 2004-03-03 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 발진 회로, 상기 발진 회로를 구비한 변환기 및 상기변환기를 구비한 프리콘디셔너 |
| US7026797B2 (en) * | 2003-03-21 | 2006-04-11 | Tropian, Inc. | Extremely high-speed switchmode DC-DC converters |
| WO2005031956A1 (en) * | 2003-09-25 | 2005-04-07 | Koninklijke Philips Electronics N.V. | A 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 EP EP15787391.0A patent/EP3207627B1/en not_active Not-in-force
- 2015-10-16 TW TW104134090A patent/TW201625967A/zh unknown
- 2015-10-16 JP JP2017519887A patent/JP2017531418A/ja not_active Ceased
- 2015-10-16 TW TW108119510A patent/TWI688775B/zh not_active IP Right Cessation
- 2015-10-16 KR KR1020177006189A patent/KR20170071473A/ko not_active Withdrawn
- 2015-10-16 CN CN201580045951.3A patent/CN106664018B/zh not_active Expired - Fee Related
- 2015-10-16 WO PCT/US2015/055859 patent/WO2016061426A1/en not_active Ceased
-
2017
- 2017-10-02 US US15/723,115 patent/US10114046B2/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI688775B (zh) | 2020-03-21 |
| JP2017531418A (ja) | 2017-10-19 |
| US20180024171A1 (en) | 2018-01-25 |
| EP3207627A1 (en) | 2017-08-23 |
| CN106664018B (zh) | 2019-09-03 |
| KR20170071473A (ko) | 2017-06-23 |
| US9778289B2 (en) | 2017-10-03 |
| CN106664018A (zh) | 2017-05-10 |
| TW201937178A (zh) | 2019-09-16 |
| WO2016061426A1 (en) | 2016-04-21 |
| US10114046B2 (en) | 2018-10-30 |
| EP3207627B1 (en) | 2019-10-16 |
| US20160109488A1 (en) | 2016-04-21 |
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