EP1561153A4 - Temperature-compensated current reference circuit - Google Patents

Temperature-compensated current reference circuit

Info

Publication number
EP1561153A4
EP1561153A4 EP03749655A EP03749655A EP1561153A4 EP 1561153 A4 EP1561153 A4 EP 1561153A4 EP 03749655 A EP03749655 A EP 03749655A EP 03749655 A EP03749655 A EP 03749655A EP 1561153 A4 EP1561153 A4 EP 1561153A4
Authority
EP
European Patent Office
Prior art keywords
temperature
current reference
reference circuit
compensated current
compensated
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.)
Withdrawn
Application number
EP03749655A
Other languages
German (de)
French (fr)
Other versions
EP1561153A2 (en
Inventor
Giorgio Oddone
Lorenzo Bedarida
Mauro Chinosi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atmel Corp
Original Assignee
Atmel Corp
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
Priority claimed from IT000803A external-priority patent/ITTO20020803A1/en
Application filed by Atmel Corp filed Critical Atmel Corp
Publication of EP1561153A2 publication Critical patent/EP1561153A2/en
Publication of EP1561153A4 publication Critical patent/EP1561153A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
    • G05F3/242—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage
    • G05F3/245—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage producing a voltage or current as a predetermined function of the temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Nonlinear Science (AREA)
  • Control Of Electrical Variables (AREA)
  • Amplifiers (AREA)
EP03749655A 2002-09-16 2003-09-12 Temperature-compensated current reference circuit Withdrawn EP1561153A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
IT000803A ITTO20020803A1 (en) 2002-09-16 2002-09-16 TEMPERATURE COMPENSATED CURRENT REFERENCE CIRCUIT.
ITIT20020803 2002-09-16
US407622 2003-04-03
US10/407,622 US6809575B2 (en) 2002-09-16 2003-04-03 Temperature-compensated current reference circuit
PCT/US2003/028835 WO2004025390A2 (en) 2002-09-16 2003-09-12 Temperature-compensated current reference circuit

Publications (2)

Publication Number Publication Date
EP1561153A2 EP1561153A2 (en) 2005-08-10
EP1561153A4 true EP1561153A4 (en) 2007-08-01

Family

ID=31995807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03749655A Withdrawn EP1561153A4 (en) 2002-09-16 2003-09-12 Temperature-compensated current reference circuit

Country Status (7)

Country Link
EP (1) EP1561153A4 (en)
JP (1) JP2005539335A (en)
KR (1) KR20050042824A (en)
AU (1) AU2003267183A1 (en)
CA (1) CA2498780A1 (en)
NO (1) NO20051558L (en)
WO (1) WO2004025390A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4837111B2 (en) * 2009-03-02 2011-12-14 株式会社半導体理工学研究センター Reference current source circuit
WO2017179301A1 (en) * 2016-04-13 2017-10-19 株式会社ソシオネクスト Reference voltage stabilizing circuit and integrated circuit provided with same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4792748A (en) * 1987-11-17 1988-12-20 Burr-Brown Corporation Two-terminal temperature-compensated current source circuit
US5245273A (en) * 1991-10-30 1993-09-14 Motorola, Inc. Bandgap voltage reference circuit
US6292050B1 (en) * 1997-01-29 2001-09-18 Cardiac Pacemakers, Inc. Current and temperature compensated voltage reference having improved power supply rejection
US6351111B1 (en) * 2001-04-13 2002-02-26 Ami Semiconductor, Inc. Circuits and methods for providing a current reference with a controlled temperature coefficient using a series composite resistor
US6448844B1 (en) * 1999-11-30 2002-09-10 Hyundai Electronics Industries Co., Ltd. CMOS constant current reference circuit
US20020125938A1 (en) * 2000-12-27 2002-09-12 Young Hee Kim Current mirror type bandgap reference voltage generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5821564A (en) * 1997-05-23 1998-10-13 Mosel Vitelic Inc. TFT with self-align offset gate
US6392472B1 (en) * 1999-06-18 2002-05-21 Mitsubishi Denki Kabushiki Kaisha Constant internal voltage generation circuit
JP3954245B2 (en) * 1999-07-22 2007-08-08 株式会社東芝 Voltage generation circuit
US6388507B1 (en) * 2001-01-10 2002-05-14 Hitachi America, Ltd. Voltage to current converter with variation-free MOS resistor
US6407622B1 (en) * 2001-03-13 2002-06-18 Ion E. Opris Low-voltage bandgap reference circuit
JP4301760B2 (en) * 2002-02-26 2009-07-22 株式会社ルネサステクノロジ Semiconductor device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4792748A (en) * 1987-11-17 1988-12-20 Burr-Brown Corporation Two-terminal temperature-compensated current source circuit
US5245273A (en) * 1991-10-30 1993-09-14 Motorola, Inc. Bandgap voltage reference circuit
US6292050B1 (en) * 1997-01-29 2001-09-18 Cardiac Pacemakers, Inc. Current and temperature compensated voltage reference having improved power supply rejection
US6448844B1 (en) * 1999-11-30 2002-09-10 Hyundai Electronics Industries Co., Ltd. CMOS constant current reference circuit
US20020125938A1 (en) * 2000-12-27 2002-09-12 Young Hee Kim Current mirror type bandgap reference voltage generator
US6351111B1 (en) * 2001-04-13 2002-02-26 Ami Semiconductor, Inc. Circuits and methods for providing a current reference with a controlled temperature coefficient using a series composite resistor

Also Published As

Publication number Publication date
NO20051558L (en) 2005-03-23
WO2004025390A2 (en) 2004-03-25
WO2004025390A3 (en) 2005-06-16
JP2005539335A (en) 2005-12-22
AU2003267183A8 (en) 2004-04-30
KR20050042824A (en) 2005-05-10
EP1561153A2 (en) 2005-08-10
AU2003267183A1 (en) 2004-04-30
CA2498780A1 (en) 2004-03-25

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20050405

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE FR GB NL

RIN1 Information on inventor provided before grant (corrected)

Inventor name: CHINOSI, MAURO

Inventor name: BEDARIDA, LORENZO

Inventor name: ODDONE, GIORGIO

A4 Supplementary search report drawn up and despatched

Effective date: 20070628

RIC1 Information provided on ipc code assigned before grant

Ipc: G05F 3/24 20060101ALI20070622BHEP

Ipc: G05F 3/16 20060101ALI20070622BHEP

Ipc: G05F 1/10 20060101AFI20050622BHEP

17Q First examination report despatched

Effective date: 20081104

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20090317