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IT8149873A0 - Circuito rivelatore di corrente a stato solido - Google Patents

Circuito rivelatore di corrente a stato solido

Info

Publication number
IT8149873A0
IT8149873A0 IT8149873A IT4987381A IT8149873A0 IT 8149873 A0 IT8149873 A0 IT 8149873A0 IT 8149873 A IT8149873 A IT 8149873A IT 4987381 A IT4987381 A IT 4987381A IT 8149873 A0 IT8149873 A0 IT 8149873A0
Authority
IT
Italy
Prior art keywords
solid state
current detector
detector circuit
state current
circuit
Prior art date
Application number
IT8149873A
Other languages
English (en)
Other versions
IT1144523B (it
Inventor
Robert S Wrathall
Original Assignee
Motorola Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of IT8149873A0 publication Critical patent/IT8149873A0/it
Application granted granted Critical
Publication of IT1144523B publication Critical patent/IT1144523B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/04—Modifications for accelerating switching
    • H03K17/042—Modifications for accelerating switching by feedback from the output circuit to the control circuit
    • H03K17/04213—Modifications for accelerating switching by feedback from the output circuit to the control circuit in bipolar transistor switches
    • 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
    • G01R19/16519—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 FET's
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/56—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
    • G05F1/565—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/569—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
    • G05F1/573—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
IT49873/81A 1980-12-24 1981-12-09 Circuito rivelatore di corrente a stato solido IT1144523B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/219,795 US4319181A (en) 1980-12-24 1980-12-24 Solid state current sensing circuit

Publications (2)

Publication Number Publication Date
IT8149873A0 true IT8149873A0 (it) 1981-12-09
IT1144523B IT1144523B (it) 1986-10-29

Family

ID=22820816

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49873/81A IT1144523B (it) 1980-12-24 1981-12-09 Circuito rivelatore di corrente a stato solido

Country Status (5)

Country Link
US (1) US4319181A (it)
EP (1) EP0067844A4 (it)
JP (1) JPH0652493B2 (it)
IT (1) IT1144523B (it)
WO (1) WO1982002262A1 (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453094A (en) * 1982-06-30 1984-06-05 General Electric Company Threshold amplifier for IC fabrication using CMOS technology
US4495536A (en) * 1982-12-27 1985-01-22 Motorola, Inc. Voltage transient protection circuit
US4628397A (en) 1984-06-04 1986-12-09 General Electric Co. Protected input/output circuitry for a programmable controller
US4560921A (en) * 1984-06-15 1985-12-24 National Semiconductor Corporation Comparator circuit with built in reference
US4605891A (en) * 1984-06-21 1986-08-12 Motorola Safe operating area circuit and method for an output switching device
JPS6146613A (ja) * 1984-08-10 1986-03-06 Nec Corp レベル検出回路
US4618816A (en) * 1985-08-22 1986-10-21 National Semiconductor Corporation CMOS ΔVBE bias current generator
NL8503394A (nl) * 1985-12-10 1987-07-01 Philips Nv Stroomaftastschakeling voor een vermogenshalfgeleiderinrichting, in het bijzonder geintegreerde intelligente vermogenshalfgeleiderschakelaar voor met name automobieltoepassingen.
US4684877A (en) * 1986-06-17 1987-08-04 General Motors Corporation Electrical system utilizing a concentric collector PNP transistor
IT1213415B (it) * 1986-12-17 1989-12-20 Sgs Microelettronica Spa Circuito per la misura lineare della corrente circolante su un carico.
US4771228A (en) * 1987-06-05 1988-09-13 Vtc Incorporated Output stage current limit circuit
GB2206010A (en) * 1987-06-08 1988-12-21 Philips Electronic Associated Differential amplifier and current sensing circuit including such an amplifier
US4885484A (en) * 1988-07-05 1989-12-05 Motorola, Inc. Voltage clamped differential to single ended converter circuit
US4820968A (en) * 1988-07-27 1989-04-11 Harris Corporation Compensated current sensing circuit
FR2642176B1 (fr) * 1989-01-20 1991-05-03 Sgs Thomson Microelectronics Dispositif et procede de detection du passage d'un courant dans un transistor mos
ES2088921T3 (es) * 1989-05-09 1996-10-01 United Technologies Automotive Circuito de potencia suministrada con deteccion de corriente.
US4926109A (en) * 1989-06-21 1990-05-15 National Semiconductor Corporation Low dropout voltage regulator with low common current
US4943737A (en) * 1989-10-13 1990-07-24 Advanced Micro Devices, Inc. BICMOS regulator which controls MOS transistor current
IT1238305B (it) * 1989-11-30 1993-07-12 Sgs Thomson Microelectronics "circuito di rilevamento della corrente in un transistore di potenza di tipo mos"
US5084668A (en) * 1990-06-08 1992-01-28 Motorola, Inc. System for sensing and/or controlling the level of current in a transistor
US5134358A (en) * 1991-01-31 1992-07-28 Texas Instruments Incorporated Improved current mirror for sensing current
US5262713A (en) * 1991-01-31 1993-11-16 Texas Instruments Incorporated Current mirror for sensing current
US5262689A (en) * 1991-10-24 1993-11-16 Harris Corporation BIMOS current driver circuit
EP0606668B1 (en) * 1993-01-15 1998-03-04 Alcatel Transistor arrangement
GB2287155B (en) * 1994-02-23 1998-08-12 Motorola Inc Telecommunications device
JPH07255433A (ja) * 1994-03-26 1995-10-09 Techno Torasuto Kyodo Kumiai 脱水生海苔ほぐし機及びこのほぐし機を使用したばら干し海苔製造装置
US5646520A (en) * 1994-06-28 1997-07-08 National Semiconductor Corporation Methods and apparatus for sensing currents
JP3627385B2 (ja) * 1996-06-28 2005-03-09 株式会社デンソー 電流検出機能を有する負荷電流供給回路
US5867014A (en) * 1997-11-20 1999-02-02 Impala Linear Corporation Current sense circuit having multiple pilot and reference transistors
US5973563A (en) * 1997-12-10 1999-10-26 National Semiconductor Corporation High power output stage with temperature stable precisely controlled quiescent current and inherent short circuit protection
JP3319406B2 (ja) 1998-09-18 2002-09-03 日本電気株式会社 比較増幅検出回路
US6465999B2 (en) 2000-02-11 2002-10-15 Advanced Analogic Technologies, Inc. Current-limited switch with fast transient response
US6166530A (en) * 2000-02-11 2000-12-26 Advanced Analogic Technologies, Inc. Current-Limited switch with fast transient response
US7167557B2 (en) * 2001-01-19 2007-01-23 Intersil Americas Inc. Subscriber line interface circuit (SLIC) including a transient output current limit circuit and related method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783400A (en) * 1972-12-01 1974-01-01 Motorola Inc Differential current amplifier
US3996498A (en) * 1975-05-19 1976-12-07 Rca Corporation Current limiting circuit and method
US4021701A (en) * 1975-12-08 1977-05-03 Motorola, Inc. Transistor protection circuit
US4023111A (en) * 1976-06-03 1977-05-10 National Semiconductor Corporation Current limiting driver circuit
US4147944A (en) * 1977-10-25 1979-04-03 National Semiconductor Corporation Comparator with signal related adaptive bias
US4216436A (en) * 1978-06-20 1980-08-05 National Semiconductor Corporation High gain differential amplifier
US4249123A (en) * 1978-10-25 1981-02-03 Texas Instruments Incorporated Temperature compensated reference voltage regulator

Also Published As

Publication number Publication date
JPS57502022A (it) 1982-11-11
WO1982002262A1 (en) 1982-07-08
US4319181A (en) 1982-03-09
JPH0652493B2 (ja) 1994-07-06
EP0067844A4 (en) 1984-06-05
EP0067844A1 (en) 1982-12-29
IT1144523B (it) 1986-10-29

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961010