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1. WO2020134134 - SWITCH CIRCUIT AND SWITCH POWER SUPPLY

Publication Number WO/2020/134134
Publication Date 02.07.2020
International Application No. PCT/CN2019/102743
International Filing Date 27.08.2019
IPC
H02M 1/088 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
1Details of apparatus for conversion
08Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
088for the simultaneous control of series or parallel connected semiconductor devices
CPC
H02M 1/088
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
1Details of apparatus for conversion
08Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
088for the simultaneous control of series or parallel connected semiconductor devices
H02M 2001/0058
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
1Details of apparatus for conversion
0048Circuits or arrangements for reducing losses
0054Transistor switching losses
0058by employing soft switching techniques, i.e. commutation of transistor when voltage applied to it is zero and/or when current flowing through it is zero
H02M 2003/1586
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
158including plural semiconductor devices as final control devices for a single load
1584with a plurality of power processing stages connected in parallel
1586switched with a phase shift, i.e. interleaved
H02M 3/158
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
158including plural semiconductor devices as final control devices for a single load
H02M 3/1584
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
158including plural semiconductor devices as final control devices for a single load
1584with a plurality of power processing stages connected in parallel
Applicants
  • 中兴通讯股份有限公司 ZTE CORPORATION [CN]/[CN]
Inventors
  • 梁新春 LIANG, Xinchun
  • 项泽宇 XIANG, Zeyu
  • 王建航 WANG, Jianhang
Agents
  • 北京品源专利代理有限公司 BEYOND ATTORNEYS AT LAW
Priority Data
201811634822.X29.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) SWITCH CIRCUIT AND SWITCH POWER SUPPLY
(FR) CIRCUIT DE COMMUTATION ET ALIMENTATION ÉLECTRIQUE À COMMUTATION
(ZH) 开关电路和开关电源
Abstract
(EN)
Provided are a switch circuit and a switch power supply. The switch circuit comprises: a drive signal provision sub-circuit, a first switch sub-circuit and a second switch sub-circuit. The drive signal provision sub-circuit receives a drive signal, outputs a first drive signal to the first switch sub-circuit, and outputs a second drive signal to the second switch module, wherein a duty cycle of the first drive signal and the second drive signal are different, and a conduction level of the first drive signal completely covers a conduction level of the second drive signal in a time domain.
(FR)
La présente invention concerne un circuit de commutation et une alimentation électrique à commutation. Le circuit de commutation comprend : un sous-circuit de fourniture de signal d'excitation, un premier sous-circuit de commutation et un second sous-circuit de commutation. Le sous-circuit de fourniture de signal d'excitation reçoit un signal d'excitation, envoie un premier signal d'excitation au premier sous-circuit de commutation, et envoie un second signal d'excitation au second module de commutation, des cycles de service du premier signal d'excitation et du second signal d'excitation étant différents, et un niveau de conduction du premier signal d'excitation couvrant complètement un niveau de conduction du second signal d'excitation dans un domaine temporel.
(ZH)
本申请提供一种开关电路和开关电源,该开关电路包括:驱动信号提供子电路、第一开关子电路和第二开关子电路,所述驱动信号提供子电路接收驱动信号,输出第一驱动信号至所述第一开关子电路,输出第二驱动信号至所述第二开关模块,其中,所述第一驱动信号和所述第二驱动信号的占空比不同,且所述第一驱动信号的导通电平在时域上完全覆盖所述第二驱动信号的导通电平。
Also published as
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