CN1484366A - 电荷泵型升压电路 - Google Patents
电荷泵型升压电路 Download PDFInfo
- Publication number
- CN1484366A CN1484366A CNA031523900A CN03152390A CN1484366A CN 1484366 A CN1484366 A CN 1484366A CN A031523900 A CNA031523900 A CN A031523900A CN 03152390 A CN03152390 A CN 03152390A CN 1484366 A CN1484366 A CN 1484366A
- Authority
- CN
- China
- Prior art keywords
- circuit
- terminal
- charging capacitor
- charge
- electronic switch
- 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
- 239000003990 capacitor Substances 0.000 claims abstract description 72
- 238000007600 charging Methods 0.000 claims description 78
- 239000010409 thin film Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP222291/2002 | 2002-07-31 | ||
JP2002222291A JP2004064937A (ja) | 2002-07-31 | 2002-07-31 | チャージポンプ型昇圧回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1484366A true CN1484366A (zh) | 2004-03-24 |
CN1288828C CN1288828C (zh) | 2006-12-06 |
Family
ID=31942344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031523900A Expired - Lifetime CN1288828C (zh) | 2002-07-31 | 2003-07-31 | 电荷泵型升压电路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6960955B2 (zh) |
JP (1) | JP2004064937A (zh) |
CN (1) | CN1288828C (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100423419C (zh) * | 2004-04-21 | 2008-10-01 | 友达光电股份有限公司 | 直流电压转换器 |
CN100433515C (zh) * | 2005-10-31 | 2008-11-12 | 中兴通讯股份有限公司 | 一种电荷泵装置 |
CN100459384C (zh) * | 2004-03-30 | 2009-02-04 | 罗姆股份有限公司 | 能够可变控制升压率的升压电路 |
CN101090230B (zh) * | 2006-06-01 | 2012-05-30 | 瑞萨电子株式会社 | 升压电源电路及其控制方法和驱动器ic |
CN108092511A (zh) * | 2017-12-01 | 2018-05-29 | 吴庚雨 | 一种用于电子雷管的非涂药起爆半导体桥的升压驱动电路 |
WO2019076280A1 (zh) * | 2017-10-19 | 2019-04-25 | 华为技术有限公司 | 一种开关电容变换电路、充电控制系统及控制方法 |
Families Citing this family (101)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6853566B2 (en) * | 2002-04-18 | 2005-02-08 | Ricoh Company, Ltd. | Charge pump circuit and power supply circuit |
JP2004180364A (ja) * | 2002-11-25 | 2004-06-24 | Seiko Epson Corp | 電源回路 |
JP4462844B2 (ja) * | 2003-05-13 | 2010-05-12 | 日本電気株式会社 | 電源回路 |
US7494066B2 (en) * | 2003-12-19 | 2009-02-24 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
JP3972916B2 (ja) * | 2004-04-08 | 2007-09-05 | セイコーエプソン株式会社 | 昇圧回路及び半導体集積回路 |
JP2006067739A (ja) * | 2004-08-27 | 2006-03-09 | Kawasaki Microelectronics Kk | チャージポンプ回路 |
CN101036281A (zh) * | 2004-10-19 | 2007-09-12 | 罗姆股份有限公司 | 开关电源装置和使用它的电子设备 |
US7382177B2 (en) * | 2004-10-25 | 2008-06-03 | Micron Technology, Inc. | Voltage charge pump and method of operating the same |
US20060202269A1 (en) * | 2005-03-08 | 2006-09-14 | Semiconductor Energy Laboratory Co., Ltd. | Wireless chip and electronic appliance having the same |
TWI293828B (en) * | 2005-04-28 | 2008-02-21 | Novatek Microelectronics Corp | Charge pump |
US20070097035A1 (en) * | 2005-10-28 | 2007-05-03 | Lg Electronics Inc. | Plasma display apparatus |
JP2007221890A (ja) * | 2006-02-15 | 2007-08-30 | Renesas Technology Corp | 半導体集積回路 |
US7626865B2 (en) * | 2006-06-13 | 2009-12-01 | Micron Technology, Inc. | Charge pump operation in a non-volatile memory device |
US7629831B1 (en) | 2006-10-11 | 2009-12-08 | Altera Corporation | Booster circuit with capacitor protection circuitry |
JP5137545B2 (ja) * | 2006-12-25 | 2013-02-06 | 株式会社半導体エネルギー研究所 | 半導体装置及びその駆動方法 |
JP4299857B2 (ja) * | 2006-12-26 | 2009-07-22 | エルピーダメモリ株式会社 | 昇圧型チャージポンプ回路 |
JP5038706B2 (ja) * | 2006-12-27 | 2012-10-03 | ルネサスエレクトロニクス株式会社 | 昇圧回路 |
DE102007014384A1 (de) * | 2007-03-26 | 2008-10-02 | Austriamicrocsystems Ag | Spannungskonverter und Verfahren zur Spannungskonversion |
EP2019425A1 (en) * | 2007-07-27 | 2009-01-28 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing the same |
US20090033293A1 (en) * | 2007-08-01 | 2009-02-05 | Intersil Americas Inc. | Voltage converter with combined capacitive voltage divider, buck converter and battery charger |
US8427113B2 (en) * | 2007-08-01 | 2013-04-23 | Intersil Americas LLC | Voltage converter with combined buck converter and capacitive voltage divider |
US8018212B1 (en) | 2007-08-24 | 2011-09-13 | Intersil Americas Inc. | Buck-boost regulator |
JP5248240B2 (ja) | 2007-08-30 | 2013-07-31 | 株式会社半導体エネルギー研究所 | 半導体装置 |
TWI365438B (en) * | 2007-11-12 | 2012-06-01 | Chimei Innolux Corp | Systems for displaying images |
US8148967B2 (en) * | 2008-08-05 | 2012-04-03 | Intersil Americas Inc. | PWM clock generation system and method to improve transient response of a voltage regulator |
US9112452B1 (en) | 2009-07-14 | 2015-08-18 | Rf Micro Devices, Inc. | High-efficiency power supply for a modulated load |
JP5397067B2 (ja) * | 2009-07-29 | 2014-01-22 | 株式会社リコー | チャージポンプ回路及びその動作制御方法 |
US8933665B2 (en) | 2009-08-05 | 2015-01-13 | Apple Inc. | Balancing voltages between battery banks |
US8541999B2 (en) * | 2009-08-05 | 2013-09-24 | Apple Inc. | Controlling power loss in a switched-capacitor power converter |
US8320141B2 (en) * | 2009-08-05 | 2012-11-27 | Apple Inc. | High-efficiency, switched-capacitor power conversion using a resonant clocking circuit to produce gate drive signals for switching capacitors |
US8085103B2 (en) * | 2009-08-05 | 2011-12-27 | Apple Inc. | Resonant oscillator circuit with reduced startup transients |
US8710936B2 (en) | 2009-08-05 | 2014-04-29 | Apple Inc. | Resonant oscillator with start up and shut down circuitry |
US8339186B2 (en) * | 2009-12-30 | 2012-12-25 | Diodes Incorporated | Voltage level shift circuits and methods |
US8582332B2 (en) | 2010-02-22 | 2013-11-12 | Marvell World Trade Ltd. | Dual output DC-DC charge pump regulator |
JP5650431B2 (ja) | 2010-04-14 | 2015-01-07 | ラピスセミコンダクタ株式会社 | チャージポンプ型の昇圧回路及び昇圧方法 |
US8519788B2 (en) | 2010-04-19 | 2013-08-27 | Rf Micro Devices, Inc. | Boost charge-pump with fractional ratio and offset loop for supply modulation |
US8633766B2 (en) | 2010-04-19 | 2014-01-21 | Rf Micro Devices, Inc. | Pseudo-envelope follower power management system with high frequency ripple current compensation |
US9099961B2 (en) | 2010-04-19 | 2015-08-04 | Rf Micro Devices, Inc. | Output impedance compensation of a pseudo-envelope follower power management system |
US9431974B2 (en) | 2010-04-19 | 2016-08-30 | Qorvo Us, Inc. | Pseudo-envelope following feedback delay compensation |
US8981848B2 (en) | 2010-04-19 | 2015-03-17 | Rf Micro Devices, Inc. | Programmable delay circuitry |
US8493141B2 (en) | 2010-04-19 | 2013-07-23 | Rf Micro Devices, Inc. | Pseudo-envelope following power management system |
US8571498B2 (en) | 2010-08-25 | 2013-10-29 | Rf Micro Devices, Inc. | Multi-mode/multi-band power management system |
US9954436B2 (en) | 2010-09-29 | 2018-04-24 | Qorvo Us, Inc. | Single μC-buckboost converter with multiple regulated supply outputs |
US8786270B2 (en) | 2010-11-08 | 2014-07-22 | Intersil Americas Inc. | Synthetic ripple regulator with frequency control |
US8782107B2 (en) | 2010-11-16 | 2014-07-15 | Rf Micro Devices, Inc. | Digital fast CORDIC for envelope tracking generation |
US8588713B2 (en) | 2011-01-10 | 2013-11-19 | Rf Micro Devices, Inc. | Power management system for multi-carriers transmitter |
US8611402B2 (en) | 2011-02-02 | 2013-12-17 | Rf Micro Devices, Inc. | Fast envelope system calibration |
US8624760B2 (en) | 2011-02-07 | 2014-01-07 | Rf Micro Devices, Inc. | Apparatuses and methods for rate conversion and fractional delay calculation using a coefficient look up table |
US8942313B2 (en) | 2011-02-07 | 2015-01-27 | Rf Micro Devices, Inc. | Group delay calibration method for power amplifier envelope tracking |
US9246460B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power management architecture for modulated and constant supply operation |
US9379667B2 (en) | 2011-05-05 | 2016-06-28 | Rf Micro Devices, Inc. | Multiple power supply input parallel amplifier based envelope tracking |
US9247496B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power loop control based envelope tracking |
JP5846551B2 (ja) * | 2011-05-27 | 2016-01-20 | 国立大学法人富山大学 | 三相三倍電圧整流回路 |
EP2715945B1 (en) | 2011-05-31 | 2017-02-01 | Qorvo US, Inc. | Rugged iq receiver based rf gain measurements |
US9019011B2 (en) | 2011-06-01 | 2015-04-28 | Rf Micro Devices, Inc. | Method of power amplifier calibration for an envelope tracking system |
US8760228B2 (en) | 2011-06-24 | 2014-06-24 | Rf Micro Devices, Inc. | Differential power management and power amplifier architecture |
US8626091B2 (en) | 2011-07-15 | 2014-01-07 | Rf Micro Devices, Inc. | Envelope tracking with variable compression |
US8792840B2 (en) | 2011-07-15 | 2014-07-29 | Rf Micro Devices, Inc. | Modified switching ripple for envelope tracking system |
US8952710B2 (en) | 2011-07-15 | 2015-02-10 | Rf Micro Devices, Inc. | Pulsed behavior modeling with steady state average conditions |
US9263996B2 (en) | 2011-07-20 | 2016-02-16 | Rf Micro Devices, Inc. | Quasi iso-gain supply voltage function for envelope tracking systems |
US8624576B2 (en) | 2011-08-17 | 2014-01-07 | Rf Micro Devices, Inc. | Charge-pump system for providing independent voltages |
US8942652B2 (en) | 2011-09-02 | 2015-01-27 | Rf Micro Devices, Inc. | Split VCC and common VCC power management architecture for envelope tracking |
US8957728B2 (en) | 2011-10-06 | 2015-02-17 | Rf Micro Devices, Inc. | Combined filter and transconductance amplifier |
US9484797B2 (en) | 2011-10-26 | 2016-11-01 | Qorvo Us, Inc. | RF switching converter with ripple correction |
WO2013063364A1 (en) | 2011-10-26 | 2013-05-02 | Rf Micro Devices, Inc. | Average frequency control of switcher for envelope tracking |
US9024688B2 (en) | 2011-10-26 | 2015-05-05 | Rf Micro Devices, Inc. | Dual parallel amplifier based DC-DC converter |
CN103959189B (zh) | 2011-10-26 | 2015-12-23 | 射频小型装置公司 | 基于电感的并行放大器相位补偿 |
US9250643B2 (en) | 2011-11-30 | 2016-02-02 | Rf Micro Devices, Inc. | Using a switching signal delay to reduce noise from a switching power supply |
US8975959B2 (en) | 2011-11-30 | 2015-03-10 | Rf Micro Devices, Inc. | Monotonic conversion of RF power amplifier calibration data |
US9515621B2 (en) | 2011-11-30 | 2016-12-06 | Qorvo Us, Inc. | Multimode RF amplifier system |
US9280163B2 (en) | 2011-12-01 | 2016-03-08 | Rf Micro Devices, Inc. | Average power tracking controller |
US8947161B2 (en) | 2011-12-01 | 2015-02-03 | Rf Micro Devices, Inc. | Linear amplifier power supply modulation for envelope tracking |
US9256234B2 (en) | 2011-12-01 | 2016-02-09 | Rf Micro Devices, Inc. | Voltage offset loop for a switching controller |
WO2013082384A1 (en) | 2011-12-01 | 2013-06-06 | Rf Micro Devices, Inc. | Rf power converter |
US9041365B2 (en) | 2011-12-01 | 2015-05-26 | Rf Micro Devices, Inc. | Multiple mode RF power converter |
US9494962B2 (en) | 2011-12-02 | 2016-11-15 | Rf Micro Devices, Inc. | Phase reconfigurable switching power supply |
US9813036B2 (en) | 2011-12-16 | 2017-11-07 | Qorvo Us, Inc. | Dynamic loadline power amplifier with baseband linearization |
US9298198B2 (en) | 2011-12-28 | 2016-03-29 | Rf Micro Devices, Inc. | Noise reduction for envelope tracking |
US8981839B2 (en) | 2012-06-11 | 2015-03-17 | Rf Micro Devices, Inc. | Power source multiplexer |
CN104662792B (zh) | 2012-07-26 | 2017-08-08 | Qorvo美国公司 | 用于包络跟踪的可编程rf陷波滤波器 |
US9225231B2 (en) | 2012-09-14 | 2015-12-29 | Rf Micro Devices, Inc. | Open loop ripple cancellation circuit in a DC-DC converter |
US9197256B2 (en) | 2012-10-08 | 2015-11-24 | Rf Micro Devices, Inc. | Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal |
US9207692B2 (en) | 2012-10-18 | 2015-12-08 | Rf Micro Devices, Inc. | Transitioning from envelope tracking to average power tracking |
US9627975B2 (en) | 2012-11-16 | 2017-04-18 | Qorvo Us, Inc. | Modulated power supply system and method with automatic transition between buck and boost modes |
US9300252B2 (en) | 2013-01-24 | 2016-03-29 | Rf Micro Devices, Inc. | Communications based adjustments of a parallel amplifier power supply |
US9178472B2 (en) | 2013-02-08 | 2015-11-03 | Rf Micro Devices, Inc. | Bi-directional power supply signal based linear amplifier |
US9203353B2 (en) | 2013-03-14 | 2015-12-01 | Rf Micro Devices, Inc. | Noise conversion gain limited RF power amplifier |
US9197162B2 (en) | 2013-03-14 | 2015-11-24 | Rf Micro Devices, Inc. | Envelope tracking power supply voltage dynamic range reduction |
US9479118B2 (en) | 2013-04-16 | 2016-10-25 | Rf Micro Devices, Inc. | Dual instantaneous envelope tracking |
US9374005B2 (en) | 2013-08-13 | 2016-06-21 | Rf Micro Devices, Inc. | Expanded range DC-DC converter |
CN105557069B (zh) * | 2013-09-19 | 2018-04-06 | 飞利浦照明控股有限公司 | 尤其用于发光二极管的具有集成双重输出的紧凑型驱动器 |
US9614476B2 (en) | 2014-07-01 | 2017-04-04 | Qorvo Us, Inc. | Group delay calibration of RF envelope tracking |
US9379605B2 (en) | 2014-08-11 | 2016-06-28 | Samsung Electronics Co., Ltd. | Clocking circuit, charge pumps, and related methods of operation |
JP5995940B2 (ja) * | 2014-11-13 | 2016-09-21 | ラピスセミコンダクタ株式会社 | 昇圧方法 |
US10050522B2 (en) * | 2015-02-15 | 2018-08-14 | Skyworks Solutions, Inc. | Interleaved dual output charge pump |
US9941844B2 (en) | 2015-07-01 | 2018-04-10 | Qorvo Us, Inc. | Dual-mode envelope tracking power converter circuitry |
US9912297B2 (en) | 2015-07-01 | 2018-03-06 | Qorvo Us, Inc. | Envelope tracking power converter circuitry |
US9973147B2 (en) | 2016-05-10 | 2018-05-15 | Qorvo Us, Inc. | Envelope tracking power management circuit |
CN106849645A (zh) * | 2016-08-15 | 2017-06-13 | 珠海市魅族科技有限公司 | 一种充电电路、方法及电子装置 |
US20190190373A1 (en) * | 2017-12-19 | 2019-06-20 | Apple Inc. | Multi Output Three Level Buck Converter |
US10476437B2 (en) | 2018-03-15 | 2019-11-12 | Qorvo Us, Inc. | Multimode voltage tracker circuit |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1364618A (en) * | 1971-12-03 | 1974-08-21 | Seiko Instr & Electronics | Voltage boosters |
US5051881A (en) * | 1990-07-05 | 1991-09-24 | Motorola, Inc. | Voltage multiplier |
US5397931A (en) * | 1993-03-31 | 1995-03-14 | Texas Instruments Deutschland Gmbh | Voltage multiplier |
US5606491A (en) * | 1995-06-05 | 1997-02-25 | Analog Devices, Inc. | Multiplying and inverting charge pump |
JPH09191639A (ja) | 1995-11-07 | 1997-07-22 | Hitachi Metals Ltd | Dc/dcコンバータ |
US5668710A (en) * | 1996-07-03 | 1997-09-16 | Telcom Semiconductor, Inc. | Charge pump circuit having independent inverted and non-inverted terminals |
US6021056A (en) * | 1998-12-14 | 2000-02-01 | The Whitaker Corporation | Inverting charge pump |
JP3150127B2 (ja) | 1999-02-15 | 2001-03-26 | 日本電気株式会社 | 昇圧回路 |
JP3316468B2 (ja) * | 1999-03-11 | 2002-08-19 | セイコーエプソン株式会社 | 昇圧回路、昇圧方法および電子機器 |
US6456152B1 (en) * | 1999-05-17 | 2002-09-24 | Hitachi, Ltd. | Charge pump with improved reliability |
KR100377698B1 (ko) * | 1999-12-08 | 2003-03-29 | 산요 덴키 가부시키가이샤 | 차지펌프 회로 |
US6504422B1 (en) * | 2000-11-21 | 2003-01-07 | Semtech Corporation | Charge pump with current limiting circuit |
-
2002
- 2002-07-31 JP JP2002222291A patent/JP2004064937A/ja active Pending
-
2003
- 2003-07-24 US US10/625,779 patent/US6960955B2/en not_active Expired - Lifetime
- 2003-07-31 CN CNB031523900A patent/CN1288828C/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100459384C (zh) * | 2004-03-30 | 2009-02-04 | 罗姆股份有限公司 | 能够可变控制升压率的升压电路 |
CN100423419C (zh) * | 2004-04-21 | 2008-10-01 | 友达光电股份有限公司 | 直流电压转换器 |
CN100433515C (zh) * | 2005-10-31 | 2008-11-12 | 中兴通讯股份有限公司 | 一种电荷泵装置 |
CN101090230B (zh) * | 2006-06-01 | 2012-05-30 | 瑞萨电子株式会社 | 升压电源电路及其控制方法和驱动器ic |
WO2019076280A1 (zh) * | 2017-10-19 | 2019-04-25 | 华为技术有限公司 | 一种开关电容变换电路、充电控制系统及控制方法 |
US10903742B2 (en) | 2017-10-19 | 2021-01-26 | Huawei Technologies Co., Ltd. | Switched-capacitor converter circuit, charging control system, and control method |
CN108092511A (zh) * | 2017-12-01 | 2018-05-29 | 吴庚雨 | 一种用于电子雷管的非涂药起爆半导体桥的升压驱动电路 |
Also Published As
Publication number | Publication date |
---|---|
CN1288828C (zh) | 2006-12-06 |
US20040196095A1 (en) | 2004-10-07 |
US6960955B2 (en) | 2005-11-01 |
JP2004064937A (ja) | 2004-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1288828C (zh) | 电荷泵型升压电路 | |
CN1270431C (zh) | 电源产生电路、显示装置和便携终端器件 | |
CN1855678A (zh) | 包括电荷泵电路的电子设备 | |
US20060244513A1 (en) | Charge pump | |
CN1914574A (zh) | 高效率和低成本的电荷泵电路 | |
CN1893245A (zh) | 包括具不同放电时间常数的电荷泵型升压电路的电源设备 | |
CN101309048A (zh) | 一种电荷泵装置及电源电路 | |
CN101159412A (zh) | 包含升压电路的电子器件 | |
KR20050092046A (ko) | 전하 펌프 회로 및 이 회로를 포함하는 전자 장치 | |
CN1674444A (zh) | 电荷泵电路 | |
CN1409472A (zh) | Dc-dc转换器 | |
CN1503440A (zh) | 降压电路、电源电路及半导体集成电路 | |
CN1783702A (zh) | 时钟生成电路及具有该电路的显示设备 | |
CN1700571A (zh) | 直流电压转换电路与相关的显示系统 | |
CN1497826A (zh) | 包括允许低击穿电压的电平移位电路的简单升压装置 | |
CN1681191A (zh) | 升压电路以及半导体集成电路 | |
CN1455980A (zh) | 可编程电荷泵设备 | |
CN1941578A (zh) | 带有电荷泵升压电路的半导体器件 | |
CN1716740A (zh) | 升降压电路 | |
CN101034536A (zh) | 一种tft驱动电路中的电荷泵电路 | |
CN1921277A (zh) | 电荷泵 | |
KR20050008541A (ko) | 전원장치 | |
TWI251977B (en) | Power supply voltage converting circuit and its controlling method, display device, and portable terminal | |
CN103178709A (zh) | 电荷泵电路及其时序控制方法 | |
CN1835064A (zh) | 液晶显示器的低功率多阶驱动方法 |
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 | ||
ASS | Succession or assignment of patent right |
Owner name: JINZHEN CO., LTD. Free format text: FORMER OWNER: NEC CORP. Effective date: 20130502 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130502 Address after: Samoa Apia hiSoft Center No. 217 mailbox Patentee after: Jinzhen Co.,Ltd. Address before: Tokyo, Japan Patentee before: NEC Corp. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20230529 Address after: Good road Taiwan Taipei City Neihu district Chinese 168 Lane 15 Building No. 4 Patentee after: HANNSTAR DISPLAY Corp. Address before: Apia, hiSoft center, No. 217 mailbox Patentee before: Jinzhen Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20061206 |
|
CX01 | Expiry of patent term |