CN110612659A - 电荷帮浦电路及其控制方法 - Google Patents

电荷帮浦电路及其控制方法 Download PDF

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Publication number
CN110612659A
CN110612659A CN201880000385.8A CN201880000385A CN110612659A CN 110612659 A CN110612659 A CN 110612659A CN 201880000385 A CN201880000385 A CN 201880000385A CN 110612659 A CN110612659 A CN 110612659A
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CN
China
Prior art keywords
output voltage
mode
charge pump
pump circuit
voltage
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Granted
Application number
CN201880000385.8A
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English (en)
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CN110612659B (zh
Inventor
王文祺
黄思衡
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Shenzhen Goodix Technology Co Ltd
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Shenzhen Goodix Technology Co Ltd
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Publication of CN110612659A publication Critical patent/CN110612659A/zh
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    • 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
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Dc-Dc Converters (AREA)

Abstract

本申请提供了一种电荷帮浦电路，包括开关模块，包含有多个开关及缓起启动开关，用来根据输入电压产生第一输出电压及第二输出电压；以及数字控制电路，耦接至所述开关模块，接收上升数字信号及下降数字信号，据此将所述第一输出电压调整至所述输入电压的电位，以及将所述第二输出电压调整至地电位。本申请提供的电荷帮浦电路具有将浪涌电流最小化，以避免产生气爆杂音或限幅导致失真的情形，并且优化放大器的效率的优点。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201880000385.8A 2018-04-12 2018-04-12 电荷帮浦电路及其控制方法 Active CN110612659B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/082867 WO2019196064A1 (zh) 2018-04-12 2018-04-12 电荷帮浦电路及其控制方法

Publications (2)

Publication Number Publication Date
CN110612659A true CN110612659A (zh) 2019-12-24
CN110612659B CN110612659B (zh) 2021-10-22

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CN201880000385.8A Active CN110612659B (zh) 2018-04-12 2018-04-12 电荷帮浦电路及其控制方法

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Country Link
US (2) US10615688B2 (zh)
EP (2) EP3883110A1 (zh)
CN (1) CN110612659B (zh)
WO (1) WO2019196064A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110557012B (zh) * 2019-09-11 2020-07-17 上海南芯半导体科技有限公司 用于2：1正向电荷泵的驱动电路及其实现方法
CN115509293B (zh) * 2022-09-15 2024-01-23 中国船舶重工集团公司七五0试验场 一种声呐发射功率调控电路、系统及控制方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1254468A (zh) * 1997-04-30 2000-05-24 汤姆森许可公司 电荷控制的光栅校正电路
US20080024240A1 (en) * 2006-07-28 2008-01-31 Mstar Semiconductor, Inc. Delta-sigma modulated fractional-n pll frequency synthesizer
TW200807974A (en) * 2006-07-28 2008-02-01 Mstar Semiconductor Inc Delta-sigma modulated fractional-N pll frequency synthesizer
US20090002306A1 (en) * 2007-06-29 2009-01-01 Innocom Technology (Shenzhen) Co., Ltd. Common voltage generating circuit having square wave generating unit and liquid crystal display using same
CN102347687A (zh) * 2010-08-04 2012-02-08 宏碁股份有限公司 电荷帮浦
CN203912260U (zh) * 2014-05-06 2014-10-29 深圳市绿源半导体技术有限公司 用于led驱动电路的电荷控制装置及led驱动电路
CN105321544A (zh) * 2015-11-27 2016-02-10 成都思博特科技有限公司 一种基于前置放大电路的模数转换式新型录音系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI307213B (en) * 2005-08-02 2009-03-01 Realtek Semiconductor Corp Reference voltage generating circuit
TWI311403B (en) * 2005-08-30 2009-06-21 Realtek Semiconductor Corp Reference voltage generating circuit
GB2446843B (en) * 2006-06-30 2011-09-07 Wolfson Microelectronics Plc Amplifier circuit and methods of operation thereof
US8044706B2 (en) * 2009-10-09 2011-10-25 Dialog Semiconductor Gmbh Reduced capacitor charge-pump
TW201244328A (en) * 2011-04-28 2012-11-01 Hycon Technology Corp Micro control unit for providing stable voltage output to electric device and system for protecting electric device
US8970298B2 (en) * 2011-09-02 2015-03-03 Tempo Semiconductor, Inc. Digitally controlled power supplies for an audio amplifier
WO2013101718A1 (en) * 2011-12-27 2013-07-04 Intel Corporation Multi-mode voltage regulation with feedback
TWM462685U (zh) * 2012-12-06 2013-10-01 Vehicle Semiconductor Technology Company Ltd E 具漏電遮斷之電荷幫浦（Ｃｈａｒｇｅ ｐｕｍｐ）電路
US9705512B1 (en) * 2016-09-20 2017-07-11 Realtek Semiconductor Corporation Self-calibrating fractional-N phase lock loop and method thereof
US9960737B1 (en) * 2017-03-06 2018-05-01 Psemi Corporation Stacked PA power control
US10199928B1 (en) * 2018-01-19 2019-02-05 Infineon Technologies Austria Ag Soft start of switched capacitor converters by reducing voltage provided by initial power switch

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1254468A (zh) * 1997-04-30 2000-05-24 汤姆森许可公司 电荷控制的光栅校正电路
US20080024240A1 (en) * 2006-07-28 2008-01-31 Mstar Semiconductor, Inc. Delta-sigma modulated fractional-n pll frequency synthesizer
TW200807974A (en) * 2006-07-28 2008-02-01 Mstar Semiconductor Inc Delta-sigma modulated fractional-N pll frequency synthesizer
US20090002306A1 (en) * 2007-06-29 2009-01-01 Innocom Technology (Shenzhen) Co., Ltd. Common voltage generating circuit having square wave generating unit and liquid crystal display using same
CN102347687A (zh) * 2010-08-04 2012-02-08 宏碁股份有限公司 电荷帮浦
CN203912260U (zh) * 2014-05-06 2014-10-29 深圳市绿源半导体技术有限公司 用于led驱动电路的电荷控制装置及led驱动电路
CN105321544A (zh) * 2015-11-27 2016-02-10 成都思博特科技有限公司 一种基于前置放大电路的模数转换式新型录音系统

Also Published As

Publication number Publication date
EP3579393A4 (en) 2020-02-26
EP3579393B1 (en) 2021-07-07
US10615688B2 (en) 2020-04-07
US10727739B2 (en) 2020-07-28
WO2019196064A1 (zh) 2019-10-17
US20190319533A1 (en) 2019-10-17
EP3579393A1 (en) 2019-12-11
CN110612659B (zh) 2021-10-22
EP3883110A1 (en) 2021-09-22
US20200195137A1 (en) 2020-06-18

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