CN102684292A - 电源切换电路 - Google Patents
电源切换电路 Download PDFInfo
- Publication number
- CN102684292A CN102684292A CN2012100570877A CN201210057087A CN102684292A CN 102684292 A CN102684292 A CN 102684292A CN 2012100570877 A CN2012100570877 A CN 2012100570877A CN 201210057087 A CN201210057087 A CN 201210057087A CN 102684292 A CN102684292 A CN 102684292A
- Authority
- CN
- China
- Prior art keywords
- voltage
- terminal
- mos transistor
- grid
- power supply
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/003—Modifications for increasing the reliability for protection
- H03K19/00315—Modifications for increasing the reliability for protection in field-effect transistor circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computing Systems (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Business, Economics & Management (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Electronic Switches (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Logic Circuits (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011-051248 | 2011-03-09 | ||
JP2011051248A JP5685115B2 (ja) | 2011-03-09 | 2011-03-09 | 電源切換回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102684292A true CN102684292A (zh) | 2012-09-19 |
CN102684292B CN102684292B (zh) | 2015-04-22 |
Family
ID=46794971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210057087.7A Active CN102684292B (zh) | 2011-03-09 | 2012-03-06 | 电源切换电路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8451049B2 (zh) |
JP (1) | JP5685115B2 (zh) |
KR (1) | KR101743311B1 (zh) |
CN (1) | CN102684292B (zh) |
TW (1) | TWI542984B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104184308A (zh) * | 2013-05-21 | 2014-12-03 | 瑞萨电子株式会社 | 半导体集成电路及其动作方法 |
CN104253607A (zh) * | 2013-06-25 | 2014-12-31 | 英业达科技有限公司 | 电平调整电路 |
CN104953692A (zh) * | 2014-03-26 | 2015-09-30 | 丰田自动车株式会社 | 供电*** |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI459188B (zh) * | 2012-03-09 | 2014-11-01 | Phison Electronics Corp | 具智慧卡功能的記憶卡及其電源控制方法與電源控制電路 |
TWI493853B (zh) * | 2013-07-17 | 2015-07-21 | 英業達股份有限公司 | 電平調整電路 |
US9515655B2 (en) * | 2014-03-27 | 2016-12-06 | Texas Instruments Incorporated | Multiplexing voltages on functional input pin with pass device |
US9847133B2 (en) * | 2016-01-19 | 2017-12-19 | Ememory Technology Inc. | Memory array capable of performing byte erase operation |
JP6686589B2 (ja) | 2016-03-22 | 2020-04-22 | セイコーエプソン株式会社 | 電源切換回路及び電子機器 |
AU2017378626A1 (en) | 2016-12-22 | 2019-06-13 | Commscope Technologies Llc | Power source selection |
CN108364666A (zh) * | 2018-04-20 | 2018-08-03 | 睿力集成电路有限公司 | 电源驱动装置及随机存储器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1111764A2 (en) * | 1999-12-20 | 2001-06-27 | Sawafuji Electric Co., Ltd. | Drive apparatus for vibrating-type compressor |
CN101471579A (zh) * | 2007-12-27 | 2009-07-01 | 精工电子有限公司 | 电源切换电路 |
US20100066431A1 (en) * | 2008-09-12 | 2010-03-18 | Nellcor Puritan Bennett Llc | Low power isolation design for a multiple sourced power bus |
JP2010233380A (ja) * | 2009-03-27 | 2010-10-14 | Seiko Epson Corp | 電源供給回路及び電子デバイス |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6231340A (ja) * | 1985-05-29 | 1987-02-10 | 株式会社東芝 | 電池電源切換回路 |
US5517153A (en) * | 1995-06-07 | 1996-05-14 | Sgs-Thomson Microelectronics, Inc. | Power supply isolation and switching circuit |
JP2000050526A (ja) * | 1998-07-28 | 2000-02-18 | Victor Co Of Japan Ltd | 電源供給制御装置 |
US7759823B2 (en) * | 2006-08-11 | 2010-07-20 | Panasonic Corporation | Switching device |
US7696645B2 (en) * | 2006-09-05 | 2010-04-13 | Atmel Automotive Gmbh | Circuit arrangement for voltage switching |
JP4720704B2 (ja) | 2006-09-27 | 2011-07-13 | セイコーエプソン株式会社 | 電源切換回路 |
-
2011
- 2011-03-09 JP JP2011051248A patent/JP5685115B2/ja active Active
-
2012
- 2012-02-23 US US13/403,257 patent/US8451049B2/en active Active
- 2012-03-05 TW TW101107342A patent/TWI542984B/zh active
- 2012-03-06 CN CN201210057087.7A patent/CN102684292B/zh active Active
- 2012-03-08 KR KR1020120023977A patent/KR101743311B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1111764A2 (en) * | 1999-12-20 | 2001-06-27 | Sawafuji Electric Co., Ltd. | Drive apparatus for vibrating-type compressor |
CN101471579A (zh) * | 2007-12-27 | 2009-07-01 | 精工电子有限公司 | 电源切换电路 |
US20100066431A1 (en) * | 2008-09-12 | 2010-03-18 | Nellcor Puritan Bennett Llc | Low power isolation design for a multiple sourced power bus |
JP2010233380A (ja) * | 2009-03-27 | 2010-10-14 | Seiko Epson Corp | 電源供給回路及び電子デバイス |
Non-Patent Citations (1)
Title |
---|
MARK PEARSON: "电池与外部电源之间的切换电路", 《电子产品世界》 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104184308A (zh) * | 2013-05-21 | 2014-12-03 | 瑞萨电子株式会社 | 半导体集成电路及其动作方法 |
CN104184308B (zh) * | 2013-05-21 | 2018-05-18 | 瑞萨电子株式会社 | 半导体集成电路及其动作方法 |
TWI635693B (zh) * | 2013-05-21 | 2018-09-11 | 日商瑞薩電子股份有限公司 | 半導體積體電路 |
CN104253607A (zh) * | 2013-06-25 | 2014-12-31 | 英业达科技有限公司 | 电平调整电路 |
CN104253607B (zh) * | 2013-06-25 | 2018-01-23 | 英业达科技有限公司 | 电平调整电路 |
CN104953692A (zh) * | 2014-03-26 | 2015-09-30 | 丰田自动车株式会社 | 供电*** |
CN104953692B (zh) * | 2014-03-26 | 2017-04-12 | 丰田自动车株式会社 | 供电*** |
Also Published As
Publication number | Publication date |
---|---|
TWI542984B (zh) | 2016-07-21 |
KR20120103490A (ko) | 2012-09-19 |
CN102684292B (zh) | 2015-04-22 |
US20120229172A1 (en) | 2012-09-13 |
JP2012191705A (ja) | 2012-10-04 |
US8451049B2 (en) | 2013-05-28 |
KR101743311B1 (ko) | 2017-06-02 |
JP5685115B2 (ja) | 2015-03-18 |
TW201301014A (zh) | 2013-01-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102684292A (zh) | 电源切换电路 | |
JP5112846B2 (ja) | 電源切替回路 | |
US8238126B2 (en) | Current regulator | |
CN100555870C (zh) | 电压箝位电路、开关式电源器件、半导体集成电路器件和电压电平转换电路 | |
CN102208898B (zh) | 差动放大电路 | |
CN102033560B (zh) | 电压调节器 | |
US8493045B2 (en) | Voltage regulator configuration | |
CN103326458A (zh) | 一种外部电源和电池供电的电源切换电路及切换方法 | |
CN101813757B (zh) | 磁检测电路 | |
CN101465559A (zh) | 双重电源转换电路 | |
CN103997334A (zh) | 电平转换电路 | |
CN101795128A (zh) | 检测电路和传感器装置 | |
CN102403968A (zh) | 输出电路 | |
CN100334525C (zh) | 主机板usb电源切换控制电路 | |
CN106027028A (zh) | 电子驱动电路和方法 | |
JP5603674B2 (ja) | スイッチ装置および試験装置 | |
CN105610425B (zh) | 上电保护电路 | |
CN109194126B (zh) | 一种电源切换电路 | |
CN105322789A (zh) | 调节器电路 | |
CN112133238B (zh) | 驱动电路与电子设备 | |
CN114157278A (zh) | 功率mos驱动电路 | |
CN102298408A (zh) | 稳压电路 | |
CN112104226A (zh) | 宽电压低功耗强驱动能力pump电路及非易失性存储器 | |
US11606030B1 (en) | Driver for driving a p-type power switch | |
CN116260107B (zh) | buck电路和DC-DC芯片 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160310 Address after: Chiba County, Japan Patentee after: DynaFine Semiconductor Co.,Ltd. Address before: Chiba County, Japan Patentee before: Seiko Instruments Inc. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Chiba County, Japan Patentee after: ABLIC Inc. Address before: Chiba County, Japan Patentee before: DynaFine Semiconductor Co.,Ltd. |
|
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. |