JP4150227B2 - 低コストの電圧降下を伴う電流電圧感知回路のための方法および装置 - Google Patents

低コストの電圧降下を伴う電流電圧感知回路のための方法および装置 Download PDF

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JP4150227B2
JP4150227B2 JP2002211156A JP2002211156A JP4150227B2 JP 4150227 B2 JP4150227 B2 JP 4150227B2 JP 2002211156 A JP2002211156 A JP 2002211156A JP 2002211156 A JP2002211156 A JP 2002211156A JP 4150227 B2 JP4150227 B2 JP 4150227B2
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voltage
resistor
coupled
current
diode
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JP2003079145A (ja
JP2003079145A5 (enExample
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バル・バラクリシュナン
アーサー・ビイ・オデル
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パワー・インテグレーションズ・インコーポレーテッド
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    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16523—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using diodes, e.g. Zener diodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • 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
    • H02M3/33507—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 with automatic control of the output voltage or current, e.g. flyback converters
    • 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
    • G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
    • 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
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Dc-Dc Converters (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP2002211156A 2001-07-20 2002-07-19 低コストの電圧降下を伴う電流電圧感知回路のための方法および装置 Expired - Fee Related JP4150227B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US30671901P 2001-07-20 2001-07-20
US60/306,719 2001-07-20
US10/188,583 US6795321B2 (en) 2001-07-20 2002-07-03 Method and apparatus for sensing current and voltage in circuits with voltage across an LED
US10/188,583 2002-07-03

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008107083A Division JP2008182894A (ja) 2001-07-20 2008-04-16 低コストの電圧降下を伴う電流電圧感知回路のための方法および装置

Publications (3)

Publication Number Publication Date
JP2003079145A JP2003079145A (ja) 2003-03-14
JP2003079145A5 JP2003079145A5 (enExample) 2005-10-20
JP4150227B2 true JP4150227B2 (ja) 2008-09-17

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JP2002211156A Expired - Fee Related JP4150227B2 (ja) 2001-07-20 2002-07-19 低コストの電圧降下を伴う電流電圧感知回路のための方法および装置
JP2008107083A Pending JP2008182894A (ja) 2001-07-20 2008-04-16 低コストの電圧降下を伴う電流電圧感知回路のための方法および装置

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JP2008107083A Pending JP2008182894A (ja) 2001-07-20 2008-04-16 低コストの電圧降下を伴う電流電圧感知回路のための方法および装置

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US (4) US6795321B2 (enExample)
EP (1) EP1278070A3 (enExample)
JP (2) JP4150227B2 (enExample)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7346785B2 (en) * 1999-01-12 2008-03-18 Microsemi Corp. - Analog Mixed Signal Group Ltd. Structure cabling system
US6795321B2 (en) * 2001-07-20 2004-09-21 Power Integrations, Inc. Method and apparatus for sensing current and voltage in circuits with voltage across an LED
US7535735B2 (en) * 2004-09-13 2009-05-19 Power Integrations, Inc. Compensation for parameter variations in a feedback circuit
KR101214890B1 (ko) 2005-02-16 2012-12-24 리치 인터내셔널 코포레이션 반도체 전원 제어 장치를 사용하는 배전 시스템
US7310048B2 (en) * 2005-05-04 2007-12-18 Power Integrations, Inc. Method and apparatus for sensing a current in a circuit
US20070024460A1 (en) * 2005-08-01 2007-02-01 Clark Richard L Electrical apparatus with voltage drop indicator
US20070091529A1 (en) * 2005-10-26 2007-04-26 Clark Richard L Overload detection and indication
US7443153B2 (en) * 2006-03-29 2008-10-28 Power Integrations, Inc. Method and apparatus for a voltage triggered current sink circuit
US7550951B2 (en) * 2006-10-03 2009-06-23 Asian Power Devices Inc. Two-step battery charger
US7602151B2 (en) * 2006-11-07 2009-10-13 Asian Power Devices Inc. Charger with output voltage compensation
US7504783B2 (en) * 2007-03-23 2009-03-17 National Semiconductor Corporation Circuit for driving and monitoring an LED
US7936159B2 (en) * 2007-03-23 2011-05-03 Power Integrations, Inc. Method and apparatus for a high voltage power supply circuit
US8008903B2 (en) 2007-03-23 2011-08-30 Power Integrations, Inc. Method and apparatus for regulating a diode conduction duty cycle
US8355796B1 (en) 2007-04-25 2013-01-15 International Rehabilitative Sciences, Inc. Secondary side load detection in an electrotherapy apparatus
US7638950B1 (en) * 2007-07-31 2009-12-29 Lsi Industries, Inc. Power line preconditioner for improved LED intensity control
US8118447B2 (en) 2007-12-20 2012-02-21 Altair Engineering, Inc. LED lighting apparatus with swivel connection
US7712918B2 (en) 2007-12-21 2010-05-11 Altair Engineering , Inc. Light distribution using a light emitting diode assembly
US8360599B2 (en) 2008-05-23 2013-01-29 Ilumisys, Inc. Electric shock resistant L.E.D. based light
US7976196B2 (en) 2008-07-09 2011-07-12 Altair Engineering, Inc. Method of forming LED-based light and resulting LED-based light
US7946729B2 (en) 2008-07-31 2011-05-24 Altair Engineering, Inc. Fluorescent tube replacement having longitudinally oriented LEDs
US8674626B2 (en) 2008-09-02 2014-03-18 Ilumisys, Inc. LED lamp failure alerting system
US8256924B2 (en) 2008-09-15 2012-09-04 Ilumisys, Inc. LED-based light having rapidly oscillating LEDs
US8653984B2 (en) 2008-10-24 2014-02-18 Ilumisys, Inc. Integration of LED lighting control with emergency notification systems
US8324817B2 (en) 2008-10-24 2012-12-04 Ilumisys, Inc. Light and light sensor
US8444292B2 (en) 2008-10-24 2013-05-21 Ilumisys, Inc. End cap substitute for LED-based tube replacement light
US8214084B2 (en) 2008-10-24 2012-07-03 Ilumisys, Inc. Integration of LED lighting with building controls
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US7938562B2 (en) 2008-10-24 2011-05-10 Altair Engineering, Inc. Lighting including integral communication apparatus
US8143845B2 (en) * 2008-12-17 2012-03-27 Fairchild Semiconductor Corporation Cable voltage drop compensation for battery chargers
US8556452B2 (en) 2009-01-15 2013-10-15 Ilumisys, Inc. LED lens
US8362710B2 (en) 2009-01-21 2013-01-29 Ilumisys, Inc. Direct AC-to-DC converter for passive component minimization and universal operation of LED arrays
US8415832B2 (en) * 2009-01-16 2013-04-09 Cambridge Semiconductor Limited Cable compensation
US8664880B2 (en) 2009-01-21 2014-03-04 Ilumisys, Inc. Ballast/line detection circuit for fluorescent replacement lamps
US8330381B2 (en) 2009-05-14 2012-12-11 Ilumisys, Inc. Electronic circuit for DC conversion of fluorescent lighting ballast
US8299695B2 (en) 2009-06-02 2012-10-30 Ilumisys, Inc. Screw-in LED bulb comprising a base having outwardly projecting nodes
US8902614B2 (en) * 2009-06-10 2014-12-02 Semiconductor Components Industries, L.L.C. Method and circuit for suppressing bias current and reducing power loss
EP2446715A4 (en) 2009-06-23 2013-09-11 Ilumisys Inc LIGHTING DEVICE COMPRISING LEDS AND CUTTING POWER SUPPLY CONTROL SYSTEM
TWI453564B (zh) * 2009-07-21 2014-09-21 Richtek Technology Corp 隔離式電源轉換器的回授電路及控制方法
TWI436187B (zh) * 2009-07-21 2014-05-01 Richtek Technology Corp 隔離式電源轉換器的回授電路及控制方法
TWI382641B (zh) * 2009-07-22 2013-01-11 Richpower Microelectronics 返馳電源轉換器的二次側電路以及穩定返馳電源轉換器的輸出電流的方法
CN103595224A (zh) * 2009-08-13 2014-02-19 立锜科技股份有限公司 隔离式电源转换器的回授电路及控制方法
CN101997433B (zh) * 2009-08-13 2015-01-28 上海立隆微电子有限公司 反激电源转换器的二次侧电路
US8350537B2 (en) * 2010-03-04 2013-01-08 Bose Corporation Power supply transient response improving
US7986187B1 (en) 2010-03-04 2011-07-26 Bose Corporation Versatile audio power amplifier
US8384478B2 (en) 2010-03-04 2013-02-26 Bose Corporation Versatile audio power amplifier
EP2553320A4 (en) 2010-03-26 2014-06-18 Ilumisys Inc LED LIGHT WITH THERMOELECTRIC GENERATOR
US8540401B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED bulb with internal heat dissipating structures
CA2794512A1 (en) 2010-03-26 2011-09-29 David L. Simon Led light tube with dual sided light distribution
US8454193B2 (en) 2010-07-08 2013-06-04 Ilumisys, Inc. Independent modules for LED fluorescent light tube replacement
WO2012009260A2 (en) 2010-07-12 2012-01-19 Altair Engineering, Inc. Circuit board mount for led light tube
WO2012058556A2 (en) 2010-10-29 2012-05-03 Altair Engineering, Inc. Mechanisms for reducing risk of shock during installation of light tube
US8870415B2 (en) 2010-12-09 2014-10-28 Ilumisys, Inc. LED fluorescent tube replacement light with reduced shock hazard
CN102788894A (zh) * 2011-05-18 2012-11-21 鸿富锦精密工业（深圳）有限公司 电压侦测电路
US8952615B2 (en) 2011-06-14 2015-02-10 Freescale Semiconductor, Inc. Circuit arrangement, lighting apparatus and method of crosstalk-compensated current sensing
WO2013028965A2 (en) 2011-08-24 2013-02-28 Ilumisys, Inc. Circuit board mount for led light
US9184518B2 (en) 2012-03-02 2015-11-10 Ilumisys, Inc. Electrical connector header for an LED-based light
US9163794B2 (en) 2012-07-06 2015-10-20 Ilumisys, Inc. Power supply assembly for LED-based light tube
US9271367B2 (en) 2012-07-09 2016-02-23 Ilumisys, Inc. System and method for controlling operation of an LED-based light
TWI463780B (zh) * 2012-11-16 2014-12-01 Noveltek Semiconductor Corp 隔離式電源轉換器、反相式並聯穩壓器及其操作方法
US9285084B2 (en) 2013-03-14 2016-03-15 Ilumisys, Inc. Diffusers for LED-based lights
US9267650B2 (en) 2013-10-09 2016-02-23 Ilumisys, Inc. Lens for an LED-based light
CN106063381A (zh) 2014-01-22 2016-10-26 伊卢米斯公司 具有被寻址led的基于led的灯
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
CN104093245A (zh) * 2014-07-03 2014-10-08 广东良得光电科技有限公司 一种高效隔离式led驱动电路
DE102014214840B4 (de) * 2014-07-29 2025-06-12 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zur Überwachung eines Hochvolt-Bordnetzes eines elektrisch betriebenen Fahrzeugs auf das Vorliegen einer Überlastung
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls
WO2018195776A1 (zh) 2017-04-25 2018-11-01 Oppo广东移动通信有限公司 电源提供设备和充电控制方法
DE102017209833A1 (de) * 2017-06-12 2018-12-13 Robert Bosch Gmbh Vorrichtung zur Umformung elektrischer Energie und Verfahren zur Bestimmung eines durch ein elektronisches Bauelement fließenden Stroms
KR102299830B1 (ko) 2017-09-22 2021-09-08 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 전원 공급 회로, 전원 공급 기기 및 제어 방법
TWI698130B (zh) * 2018-12-20 2020-07-01 瑞昱半導體股份有限公司 溫度計算參數提供電路、溫度計算參數提供方法以及溫度監控方法
CN110225628B (zh) * 2019-07-19 2021-04-27 无锡奥利杰科技有限公司 一种线性驱动对公共地高压保护应用电路
CN112918302A (zh) * 2021-02-02 2021-06-08 深圳市润诚达电力科技有限公司 一种基于线性光耦的直流充电桩控制导引电路
US11588411B1 (en) 2021-12-02 2023-02-21 Power Integrations, Inc. Input voltage estimation for a power converter
US12438486B2 (en) 2022-05-25 2025-10-07 Power Integrations, Inc. Motor phase current reconstruction
CN117724560A (zh) * 2022-09-16 2024-03-19 苏州佳世达光电有限公司 电源供应电路、压降补偿方法及电子产品

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496453A (en) * 1967-04-04 1970-02-17 Ionics Voltage sensing device
GB1336844A (en) * 1970-11-17 1973-11-14 Page Eng Co Sunbury On Thames Voltage sensing circuit
US4383212A (en) * 1978-06-12 1983-05-10 Ballman Gray C Battery charger control device with D-C disconnect and A-C interrupt
US4250501A (en) 1978-07-28 1981-02-10 Kurt Pokrandt Current sensing circuitry
CA1108699A (en) 1980-12-08 1981-09-08 Sutherland-Schultz Limited Apparatus for detecting loss of ac power supply and loss of current
FR2516660A1 (fr) * 1981-11-17 1983-05-20 Telemecanique Electrique Dispositif de detection du courant dans un circuit de puissance ayant une charge variable, utilisant une diode electroluminescente associee a un photorecepteur
US4496939A (en) * 1982-06-04 1985-01-29 Eastman Kodak Company Power indicator apparatus for a DC to DC flyback converter
CA1226622A (en) * 1983-04-18 1987-09-08 United Technologies Corporation Current overload detector
JPH0628008B2 (ja) * 1984-04-28 1994-04-13 日本電信電話株式会社 定電流電源回路
EP0170944B1 (en) * 1984-07-20 1989-03-08 Sanyo Electric Co., Ltd. Power supply circuit of switching regulator type
EP0229062A1 (en) * 1984-09-12 1987-07-22 Protector Safety Limited Fan motor monitoring circuit
US4713607A (en) * 1985-12-23 1987-12-15 Tektronix, Inc. Current sensing circuit
US4829290A (en) 1988-01-04 1989-05-09 Motorola, Inc. Low voltage alert circuit
JPH01131291U (enExample) * 1988-02-29 1989-09-06
JP2656370B2 (ja) * 1990-05-31 1997-09-24 株式会社東芝 過大電流検出装置
GB9222455D0 (en) * 1992-10-26 1992-12-09 Philips Electronics Uk Ltd A current sensing circuit
JPH07111660B2 (ja) * 1993-08-06 1995-11-29 日本電信電話株式会社 定電流電源回路
CA2146596C (en) * 1994-04-29 1999-09-21 Harry W. Moore, Iii Loop current detector
US6194994B1 (en) * 1995-03-20 2001-02-27 Wheelock, Inc. Apparatus and method for synchronizing visual/audible alarm units in an alarm system
US6208833B1 (en) * 1996-06-28 2001-03-27 The Whitaker Corporation Echo cancellation for a broadband distribution system
FI113917B (fi) * 1997-01-07 2004-06-30 Salcomp Oy Yksinkertainen virranrajoituskytkentä teholähteen antovirran säätämiseksi
US5892355A (en) * 1997-03-21 1999-04-06 Pansier; Frans Current and voltage-sensing
US5982639A (en) * 1997-11-04 1999-11-09 Power Integrations, Inc. Two switch off-line switching converter
JP3298624B2 (ja) * 1999-01-19 2002-07-02 船井電機株式会社 スイッチング電源
US6177875B1 (en) * 1999-09-28 2001-01-23 Rockwell Technologies, Llc Simple voltage window sensing circuit
CA2322934A1 (en) * 1999-12-27 2001-06-27 Nortel Networks Corporation Current sensing circuit and telephone line interface card with enhanced current sensing circuit
US6396718B1 (en) * 2000-12-19 2002-05-28 Semiconductor Components Industries Llc Switch mode power supply using transformer flux sensing for duty cycle control
US6795321B2 (en) 2001-07-20 2004-09-21 Power Integrations, Inc. Method and apparatus for sensing current and voltage in circuits with voltage across an LED

Also Published As

Publication number Publication date
US20060097779A1 (en) 2006-05-11
US20070120594A1 (en) 2007-05-31
JP2003079145A (ja) 2003-03-14
JP2008182894A (ja) 2008-08-07
US20050017706A1 (en) 2005-01-27
US7190215B2 (en) 2007-03-13
US20030021129A1 (en) 2003-01-30
US7005914B2 (en) 2006-02-28
US6795321B2 (en) 2004-09-21
EP1278070A2 (en) 2003-01-22
EP1278070A3 (en) 2005-02-16

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