TW200717009A - Low voltage detecting circuit - Google Patents

Low voltage detecting circuit

Info

Publication number
TW200717009A
TW200717009A TW095134728A TW95134728A TW200717009A TW 200717009 A TW200717009 A TW 200717009A TW 095134728 A TW095134728 A TW 095134728A TW 95134728 A TW95134728 A TW 95134728A TW 200717009 A TW200717009 A TW 200717009A
Authority
TW
Taiwan
Prior art keywords
current transistor
constant current
transistor
circuit
low voltage
Prior art date
Application number
TW095134728A
Other languages
English (en)
Other versions
TWI316610B (en
Inventor
Takashi Sugano
Original Assignee
Sanyo Electric Co
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 Sanyo Electric Co filed Critical Sanyo Electric Co
Publication of TW200717009A publication Critical patent/TW200717009A/zh
Application granted granted Critical
Publication of TWI316610B publication Critical patent/TWI316610B/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
    • 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
    • G01R19/16533—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 application
    • G01R19/16538—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 application in AC or DC supplies
    • G01R19/16552—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 application in AC or DC supplies in I.C. power supplies
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/24—Resetting means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Electronic Switches (AREA)
  • Control Of Electrical Variables (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
TW095134728A 2005-10-27 2006-09-20 Low voltage detecting circuit TWI316610B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005313041A JP4562638B2 (ja) 2005-10-27 2005-10-27 低電圧検出回路

Publications (2)

Publication Number Publication Date
TW200717009A true TW200717009A (en) 2007-05-01
TWI316610B TWI316610B (en) 2009-11-01

Family

ID=37995456

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095134728A TWI316610B (en) 2005-10-27 2006-09-20 Low voltage detecting circuit

Country Status (5)

Country Link
US (1) US7414440B2 (zh)
JP (1) JP4562638B2 (zh)
KR (1) KR100815388B1 (zh)
CN (1) CN1956334B (zh)
TW (1) TWI316610B (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5203086B2 (ja) * 2007-08-10 2013-06-05 セイコーインスツル株式会社 電源電圧低下検出回路
JP5057894B2 (ja) * 2007-08-31 2012-10-24 セイコーインスツル株式会社 電圧検出回路及びそれを用いた発振器
CN101388188B (zh) * 2007-09-11 2011-05-18 奇景光电股份有限公司 源极驱动器及其噪声抑制方法
CN101388185B (zh) * 2007-09-12 2011-12-28 奇景光电股份有限公司 源极驱动器及其压降检测器
CN101399019B (zh) * 2007-09-30 2012-03-14 奇景光电股份有限公司 源极驱动器及其噪声抑制方法
CN102033155A (zh) * 2010-12-03 2011-04-27 苏州华芯微电子股份有限公司 电流检测电路及方法
DE102010056277B4 (de) * 2010-12-24 2014-04-17 Abb Technology Ag Absperrarmatur
US8525554B2 (en) * 2011-05-31 2013-09-03 System General Corporation High-side signal sensing circuit
JP6056411B2 (ja) * 2012-11-22 2017-01-11 富士通株式会社 電圧検出回路及びトランジスタの特性測定方法
KR101411059B1 (ko) 2012-12-31 2014-06-25 한국항공우주연구원 스위칭 소자의 문턱전압을 이용하는 저전압 검출 장치 및 방법
CN103138716B (zh) * 2013-01-31 2015-08-12 深圳威迈斯电源有限公司 一种掉电触发的单稳态保护电路
JP2015055598A (ja) * 2013-09-13 2015-03-23 アルプス電気株式会社 電圧検出装置
KR102419173B1 (ko) * 2018-03-08 2022-07-11 에스케이하이닉스 주식회사 저전압 감지 회로 및 이를 포함하는 메모리 장치
JP6811265B2 (ja) * 2019-02-07 2021-01-13 ウィンボンド エレクトロニクス コーポレーション 基準電圧発生回路、パワーオン検出回路および半導体装置
CN113866486A (zh) * 2021-10-25 2021-12-31 北京森海晨阳科技有限责任公司 一种超低电源电压检测电路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05281270A (ja) * 1992-03-30 1993-10-29 Nec Kansai Ltd 低電圧検知回路
JPH06213941A (ja) * 1993-01-14 1994-08-05 Sharp Corp 外部電源電圧検知回路
JP3113516B2 (ja) 1994-09-26 2000-12-04 三洋電機株式会社 リセットパルス発生回路
FR2729762A1 (fr) * 1995-01-23 1996-07-26 Sgs Thomson Microelectronics Circuit de detection de tension compense en technologie et en temperature
US6268764B1 (en) * 2000-02-18 2001-07-31 Microchip Technology Incorporated Bandgap voltage comparator used as a low voltage detection circuit
KR100455442B1 (ko) 2001-12-29 2004-11-06 주식회사 하이닉스반도체 저전압 검출기
JP3788616B2 (ja) * 2003-04-02 2006-06-21 ローム株式会社 電圧検出回路
JP4350575B2 (ja) 2004-03-30 2009-10-21 セイコーインスツル株式会社 電圧検出回路
JP4439974B2 (ja) * 2004-03-31 2010-03-24 Ｎｅｃエレクトロニクス株式会社 電源電圧監視回路

Also Published As

Publication number Publication date
KR100815388B1 (ko) 2008-03-20
US20070096771A1 (en) 2007-05-03
TWI316610B (en) 2009-11-01
JP2007121088A (ja) 2007-05-17
CN1956334B (zh) 2010-05-12
KR20070045944A (ko) 2007-05-02
JP4562638B2 (ja) 2010-10-13
CN1956334A (zh) 2007-05-02
US7414440B2 (en) 2008-08-19

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees