WO2023147745A9 - 纹波电压处理装置及方法和开关电源 - Google Patents

纹波电压处理装置及方法和开关电源 Download PDF

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Publication number
WO2023147745A9
WO2023147745A9 PCT/CN2022/140153 CN2022140153W WO2023147745A9 WO 2023147745 A9 WO2023147745 A9 WO 2023147745A9 CN 2022140153 W CN2022140153 W CN 2022140153W WO 2023147745 A9 WO2023147745 A9 WO 2023147745A9
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
switching power
switching
processing device
ripple voltage
Prior art date
Application number
PCT/CN2022/140153
Other languages
English (en)
French (fr)
Other versions
WO2023147745A1 (zh
Inventor
彭博
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2023147745A1 publication Critical patent/WO2023147745A1/zh
Publication of WO2023147745A9 publication Critical patent/WO2023147745A9/zh

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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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/14—Arrangements for reducing ripples from dc input or output
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Power Conversion In General (AREA)

Abstract

本申请公开了一种纹波电压处理装置及方法和开关电源，本申请实施例根据开关电源对其开关工作频率的调整，针对开关电源的当前开关工作频率带来的开关噪声频率，自动调整滤波频率，实时对开关电源的输出电压进行滤波处理，有效地去除了电压纹波，保证了开关电源输出稳定的电压。
PCT/CN2022/140153 2022-02-07 2022-12-19 纹波电压处理装置及方法和开关电源 WO2023147745A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210120387.9 2022-02-07
CN202210120387.9A CN114430227B (zh) 2022-02-07 2022-02-07 一种纹波电压处理装置及方法和开关电源

Publications (2)

Publication Number Publication Date
WO2023147745A1 WO2023147745A1 (zh) 2023-08-10
WO2023147745A9 true WO2023147745A9 (zh) 2023-09-21

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PCT/CN2022/140153 WO2023147745A1 (zh) 2022-02-07 2022-12-19 纹波电压处理装置及方法和开关电源

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CN (1) CN114430227B (zh)
WO (1) WO2023147745A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114430227B (zh) * 2022-02-07 2023-06-30 Oppo广东移动通信有限公司 一种纹波电压处理装置及方法和开关电源
CN115800703A (zh) * 2023-01-31 2023-03-14 西安华创马科智能控制系统有限公司 供电电压纹波消除装置及供电电压纹波消除方法

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CN101257249A (zh) * 2007-12-26 2008-09-03 武汉大学 用瞬时并联补偿技术消除直流开关电源输出高频纹波的方法
CN102468741A (zh) * 2010-11-08 2012-05-23 英业达股份有限公司 整流电路
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CN207625462U (zh) * 2017-12-28 2018-07-17 深圳市镭神智能系统有限公司 一种开关电源电路及开关电源
CN209787027U (zh) * 2019-04-18 2019-12-13 石家庄通合电子科技股份有限公司 一种能有效压制纹波电压的前馈采样电路及其开关电源
CN111913554B (zh) * 2019-05-10 2022-04-12 Oppo广东移动通信有限公司 电源控制装置和电源控制方法、电子设备
CN110445358A (zh) * 2019-08-21 2019-11-12 苏州智汇云祥通信系统有限公司 一种降低电源纹波的系统及方法
CN110868052A (zh) * 2019-12-10 2020-03-06 陕西亚成微电子股份有限公司 一种包络追踪功率放大器开关电源控制方法和开关电源
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CN114430227B (zh) * 2022-02-07 2023-06-30 Oppo广东移动通信有限公司 一种纹波电压处理装置及方法和开关电源
CN114679053B (zh) * 2022-04-15 2023-05-02 Oppo广东移动通信有限公司 电源系统及其控制方法、电子设备

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Publication number Publication date
WO2023147745A1 (zh) 2023-08-10
CN114430227A (zh) 2022-05-03
CN114430227B (zh) 2023-06-30

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