CN111819777A - 抑制电流失配的电荷泵电路及其控制方法、锁相环电路 - Google Patents

抑制电流失配的电荷泵电路及其控制方法、锁相环电路 Download PDF

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CN111819777A
CN111819777A CN201880090848.4A CN201880090848A CN111819777A CN 111819777 A CN111819777 A CN 111819777A CN 201880090848 A CN201880090848 A CN 201880090848A CN 111819777 A CN111819777 A CN 111819777A
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node
control
current
feedback
coupled
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CN111819777B (zh
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王伟威
卢磊
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Huawei Technologies Co Ltd
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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
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

一种抑制电流失配的电荷泵电路及其控制方法、锁相环电路，涉及通信技术领域，包括：第一控制电路(10)、第二控制电路(20)和第一反馈电路(30)；第一控制电路用于将来自第一电流输入节点(D1)的第一电流输入第二反馈节点(E2)；第一反馈电路用于在第一反馈节点(E1)和滤波节点(Vx)的控制下，控制输入第二反馈节点的电流的值与第一电流的值相等；第二控制电路用于在来自第三控制节点(K3)的第三控制信号的电位为有效电位，且来自第四控制节点(K4)的第四控制信号的电位为有效电位时，将来自第二电流输入节点(D2)的第二电流输入输出节点(Vout)，以及，将与第一电流的值相等的电流输入第二反馈节点。该电荷泵电路能够抑制充电电流和放电电流的电流失配，保证了电荷泵输出电压的稳定性。

Description

PCT国内申请，说明书已公开。

Claims (19)

  1. PCT国内申请，权利要求书已公开。
CN201880090848.4A 2018-03-08 2018-03-08 抑制电流失配的电荷泵电路及其控制方法、锁相环电路 Active CN111819777B (zh)

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PCT/CN2018/078432 WO2019169607A1 (zh) 2018-03-08 2018-03-08 抑制电流失配的电荷泵电路及其控制方法、锁相环电路

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CN114362748A (zh) * 2022-03-18 2022-04-15 深圳通锐微电子技术有限公司 电荷泵的电流调整方法、电流调整电路和锁相环电路

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CN113890538A (zh) * 2021-09-25 2022-01-04 北京知存科技有限公司 采样电路、采样阵列、存算一体芯片以及电子设备
CN115379619B (zh) * 2022-10-13 2023-04-11 合肥灿芯科技有限公司 一种led共阴驱动芯片
CN117930146A (zh) * 2022-10-25 2024-04-26 加特兰微电子科技(上海)有限公司 电荷泵电路、锁相环、雷达传感器及电子设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114362748A (zh) * 2022-03-18 2022-04-15 深圳通锐微电子技术有限公司 电荷泵的电流调整方法、电流调整电路和锁相环电路
CN114362748B (zh) * 2022-03-18 2022-05-27 深圳通锐微电子技术有限公司 电荷泵的电流调整方法、电流调整电路和锁相环电路

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