CN110941305B - 恒流电路 - Google Patents

恒流电路 Download PDF

Info

Publication number
CN110941305B
CN110941305B CN201910891265.8A CN201910891265A CN110941305B CN 110941305 B CN110941305 B CN 110941305B CN 201910891265 A CN201910891265 A CN 201910891265A CN 110941305 B CN110941305 B CN 110941305B
Authority
CN
China
Prior art keywords
circuit
constant current
voltage
power supply
clamp
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.)
Expired - Fee Related
Application number
CN201910891265.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN110941305A (zh
Inventor
佐野稔
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.)
Ablic Inc
Original Assignee
Ablic 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 Ablic Inc filed Critical Ablic Inc
Publication of CN110941305A publication Critical patent/CN110941305A/zh
Application granted granted Critical
Publication of CN110941305B publication Critical patent/CN110941305B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • 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
    • G05F3/26—Current mirrors
    • G05F3/262—Current mirrors using field-effect transistors only
    • 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
    • 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
    • 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
    • G05F3/26—Current mirrors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H03F3/345—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/91—Indexing scheme relating to amplifiers the amplifier has a current mode topology

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)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)
CN201910891265.8A 2018-09-21 2019-09-20 恒流电路 Expired - Fee Related CN110941305B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018177359A JP6998850B2 (ja) 2018-09-21 2018-09-21 定電流回路
JP2018-177359 2018-09-21

Publications (2)

Publication Number Publication Date
CN110941305A CN110941305A (zh) 2020-03-31
CN110941305B true CN110941305B (zh) 2022-11-15

Family

ID=69884497

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910891265.8A Expired - Fee Related CN110941305B (zh) 2018-09-21 2019-09-20 恒流电路

Country Status (5)

Country Link
US (1) US10969815B2 (https=)
JP (1) JP6998850B2 (https=)
KR (1) KR20200034604A (https=)
CN (1) CN110941305B (https=)
TW (1) TW202013117A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113473671B (zh) * 2021-07-28 2022-09-23 上海晶丰明源半导体股份有限公司 用于恒流型驱动电路的控制电路及恒流型驱动电路
CN115268547B (zh) * 2022-08-09 2023-11-07 骏盈半导体(上海)有限公司 带隙基准电路

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006352193A (ja) * 2005-06-13 2006-12-28 Seiko Instruments Inc 差動増幅器
CN101226412A (zh) * 2007-01-18 2008-07-23 株式会社理光 恒流电路及使用恒流电路的发光二极管驱动装置
CN102096430A (zh) * 2009-12-01 2011-06-15 精工电子有限公司 恒流电路
CN102478877A (zh) * 2010-11-24 2012-05-30 精工电子有限公司 恒流电路以及基准电压电路
CN107294369A (zh) * 2017-07-12 2017-10-24 电子科技大学 一种应用于升压变换器的恒流启动电路

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07106869A (ja) * 1993-09-30 1995-04-21 Nec Corp 定電流回路
JP4077242B2 (ja) * 2002-05-17 2008-04-16 新日本無線株式会社 定電圧定電流制御回路
JP4256338B2 (ja) 2004-12-28 2009-04-22 東光株式会社 定電流源回路
TWI307002B (en) * 2005-12-15 2009-03-01 Realtek Semiconductor Corp Bandgap voltage generating circuit and relevant device using the same
US7554313B1 (en) * 2006-02-09 2009-06-30 National Semiconductor Corporation Apparatus and method for start-up circuit without a start-up resistor
JP2008197994A (ja) 2007-02-14 2008-08-28 Oki Electric Ind Co Ltd 起動回路
US8339117B2 (en) * 2007-07-24 2012-12-25 Freescale Semiconductor, Inc. Start-up circuit element for a controlled electrical supply
TW201025812A (en) * 2008-12-25 2010-07-01 Advanced Analog Technology Inc DC-DC converter providing soft-start function
EP2450768B1 (en) * 2010-09-20 2013-11-13 Dialog Semiconductor GmbH Startup circuit for self-supplied voltage regulator
JP5762205B2 (ja) * 2011-08-04 2015-08-12 ラピスセミコンダクタ株式会社 半導体集積回路
JP2013097551A (ja) * 2011-10-31 2013-05-20 Seiko Instruments Inc 定電流回路及び基準電圧回路
CN105246207B (zh) * 2015-10-30 2018-03-20 上海晶丰明源半导体股份有限公司 芯片的启动电路、led驱动器、led驱动电路及芯片的启动方法
JP6837899B2 (ja) * 2017-04-13 2021-03-03 エイブリック株式会社 充放電制御回路およびバッテリ装置
JP6892357B2 (ja) * 2017-08-31 2021-06-23 エイブリック株式会社 スイッチングレギュレータ
JP7097749B2 (ja) * 2018-06-05 2022-07-08 エイブリック株式会社 レベルシフト回路

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006352193A (ja) * 2005-06-13 2006-12-28 Seiko Instruments Inc 差動増幅器
CN101226412A (zh) * 2007-01-18 2008-07-23 株式会社理光 恒流电路及使用恒流电路的发光二极管驱动装置
CN102096430A (zh) * 2009-12-01 2011-06-15 精工电子有限公司 恒流电路
CN102478877A (zh) * 2010-11-24 2012-05-30 精工电子有限公司 恒流电路以及基准电压电路
CN107294369A (zh) * 2017-07-12 2017-10-24 电子科技大学 一种应用于升压变换器的恒流启动电路

Also Published As

Publication number Publication date
JP2020047193A (ja) 2020-03-26
US20200097035A1 (en) 2020-03-26
CN110941305A (zh) 2020-03-31
US10969815B2 (en) 2021-04-06
JP6998850B2 (ja) 2022-01-18
KR20200034604A (ko) 2020-03-31
TW202013117A (zh) 2020-04-01

Similar Documents

Publication Publication Date Title
CN100593907C (zh) 包括第一和第二信号发生器的加电复位电路及相关方法
CN103076483B (zh) 低电压检测电路
KR0142970B1 (ko) 반도체 메모리 장치의 기준전압 발생회로
CN101860188B (zh) 开关电源电路
TW201036325A (en) Power-on reset circuit
KR100908550B1 (ko) 파워 온 리셋 회로
CN110941305B (zh) 恒流电路
US9660651B2 (en) Level shift circuit
CN110611497B (zh) 比较器以及振荡电路
CN107534441A (zh) 电平移位器
JP2008197994A (ja) 起動回路
US8872555B2 (en) Power-on reset circuit
JP4459663B2 (ja) 電子機器
KR960019311A (ko) 양/음 고전압 발생 전원의 출력전위 리셋회로
JP7585155B2 (ja) 半導体装置
JP2017041139A (ja) Ｌｄｏ回路
JP6530226B2 (ja) 電圧レギュレータ、半導体装置、及び電圧レギュレータの電圧生成方法
US20250105844A1 (en) Semiconductor device
US6906545B1 (en) Voltage measurement device tolerant of undershooting or overshooting input voltage of pad
JP5482419B2 (ja) レギュレータ用半導体集積回路
WO2019116764A1 (ja) コンパレータと、そのコンパレータを用いた発振器回路
JPH06245489A (ja) 定電位発生回路
KR101005139B1 (ko) 반도체 소자의 파워 업 회로
JP4849994B2 (ja) スタンバイ回路
WO2016030993A1 (ja) バイアス装置及びウェイクアップ回路

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: Nagano

Patentee after: ABLIC Inc.

Address before: Chiba County, Japan

Patentee before: ABLIC Inc.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20221115