TWI421508B - Power supply voltage reduction detection circuit - Google Patents
Power supply voltage reduction detection circuit Download PDFInfo
- Publication number
- TWI421508B TWI421508B TW097130437A TW97130437A TWI421508B TW I421508 B TWI421508 B TW I421508B TW 097130437 A TW097130437 A TW 097130437A TW 97130437 A TW97130437 A TW 97130437A TW I421508 B TWI421508 B TW I421508B
- Authority
- TW
- Taiwan
- Prior art keywords
- voltage
- power supply
- nmos transistor
- transistor
- supply voltage
- Prior art date
Links
Classifications
-
- 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
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
- H03K17/223—Modifications for ensuring a predetermined initial state when the supply voltage has been applied in field-effect transistor switches
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
- Electronic Switches (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007209106 | 2007-08-10 | ||
JP2008201662A JP5203086B2 (ja) | 2007-08-10 | 2008-08-05 | 電源電圧低下検出回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200921115A TW200921115A (en) | 2009-05-16 |
TWI421508B true TWI421508B (zh) | 2014-01-01 |
Family
ID=40390355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW097130437A TWI421508B (zh) | 2007-08-10 | 2008-08-08 | Power supply voltage reduction detection circuit |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5203086B2 (ja) |
KR (1) | KR101444465B1 (ja) |
CN (1) | CN101363878B (ja) |
TW (1) | TWI421508B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6619145B2 (ja) * | 2014-11-11 | 2019-12-11 | ラピスセミコンダクタ株式会社 | 半導体回路、電圧検出回路、及び電圧判定回路 |
CN106249034B (zh) * | 2016-08-15 | 2018-10-02 | 北京航空航天大学 | 一种用于协同动态电压频率调整系统的片上电压降报警器 |
JP7325352B2 (ja) * | 2020-02-07 | 2023-08-14 | エイブリック株式会社 | 基準電圧回路 |
CN113406509B (zh) * | 2021-06-11 | 2022-05-10 | 浙江今日阳光新能源车业有限公司 | 电动车电量显示方法、电动车仪表及计算机存储介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW591800B (en) * | 2001-09-13 | 2004-06-11 | Toshiba Corp | Constant voltage generation circuit and semiconductor memory device |
JP2005278056A (ja) * | 2004-03-26 | 2005-10-06 | Matsushita Electric Ind Co Ltd | 電源電圧低下検出回路 |
TW200615732A (en) * | 2004-07-05 | 2006-05-16 | Seiko Instr Inc | Voltage regulator |
US20060261860A1 (en) * | 2005-05-17 | 2006-11-23 | Fuji Electric Device Technology Co., Ltd. | DC to DC converter and voltage detecting circuit and current detecting circuit thereof |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5888450U (ja) * | 1981-12-10 | 1983-06-15 | リコーエレメックス株式会社 | イニシヤルリセツト回路 |
JPH0619686B2 (ja) * | 1983-08-29 | 1994-03-16 | 日本電信電話株式会社 | 電源回路 |
JPS6111839A (ja) * | 1984-06-26 | 1986-01-20 | Ricoh Co Ltd | パワ−オン・イニシヤライズ回路 |
JP2972245B2 (ja) * | 1989-11-29 | 1999-11-08 | 株式会社日立製作所 | 電圧検出機能付基準電圧出力回路 |
JPH03218064A (ja) * | 1990-01-23 | 1991-09-25 | Sharp Corp | 半導体集積回路装置 |
JP3077072B2 (ja) * | 1992-07-14 | 2000-08-14 | 三機工業株式会社 | 廃棄物の管路輸送方法 |
KR970075931A (ko) * | 1996-05-16 | 1997-12-10 | 김광호 | 프로그램어블 저전압검출회로 |
US5838191A (en) * | 1997-02-21 | 1998-11-17 | National Semiconductor Corporation | Bias circuit for switched capacitor applications |
JP3806011B2 (ja) * | 2001-10-05 | 2006-08-09 | セイコーインスツル株式会社 | 電圧検出回路 |
JP2005191821A (ja) * | 2003-12-25 | 2005-07-14 | Seiko Epson Corp | コンパレータ回路及び電源回路 |
JP2006112906A (ja) * | 2004-10-14 | 2006-04-27 | Sanyo Electric Co Ltd | 電圧検出回路 |
US7161861B2 (en) * | 2004-11-15 | 2007-01-09 | Infineon Technologies Ag | Sense amplifier bitline boost circuit |
JP4562638B2 (ja) * | 2005-10-27 | 2010-10-13 | 三洋電機株式会社 | 低電圧検出回路 |
-
2008
- 2008-08-05 JP JP2008201662A patent/JP5203086B2/ja active Active
- 2008-08-07 KR KR1020080077490A patent/KR101444465B1/ko active IP Right Grant
- 2008-08-08 TW TW097130437A patent/TWI421508B/zh not_active IP Right Cessation
- 2008-08-08 CN CN2008101350007A patent/CN101363878B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW591800B (en) * | 2001-09-13 | 2004-06-11 | Toshiba Corp | Constant voltage generation circuit and semiconductor memory device |
JP2005278056A (ja) * | 2004-03-26 | 2005-10-06 | Matsushita Electric Ind Co Ltd | 電源電圧低下検出回路 |
TW200615732A (en) * | 2004-07-05 | 2006-05-16 | Seiko Instr Inc | Voltage regulator |
US20060261860A1 (en) * | 2005-05-17 | 2006-11-23 | Fuji Electric Device Technology Co., Ltd. | DC to DC converter and voltage detecting circuit and current detecting circuit thereof |
Also Published As
Publication number | Publication date |
---|---|
CN101363878A (zh) | 2009-02-11 |
TW200921115A (en) | 2009-05-16 |
JP5203086B2 (ja) | 2013-06-05 |
CN101363878B (zh) | 2012-12-26 |
KR101444465B1 (ko) | 2014-09-24 |
JP2009065649A (ja) | 2009-03-26 |
KR20090016410A (ko) | 2009-02-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |