WO2023116427A1 - Module d'alimentation électrique à double entrée, puce, ensemble carte de circuit imprimé et dispositif électronique - Google Patents

Module d'alimentation électrique à double entrée, puce, ensemble carte de circuit imprimé et dispositif électronique Download PDF

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WO2023116427A1
WO2023116427A1 PCT/CN2022/137019 CN2022137019W WO2023116427A1 WO 2023116427 A1 WO2023116427 A1 WO 2023116427A1 CN 2022137019 W CN2022137019 W CN 2022137019W WO 2023116427 A1 WO2023116427 A1 WO 2023116427A1
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WIPO (PCT)
Prior art keywords
power supply
auxiliary power
output terminal
input
dual
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PCT/CN2022/137019
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English (en)
Chinese (zh)
Inventor
何维
朱聪
陈长青
张滨
李小龙
左志岭
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中兴通讯股份有限公司
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Publication of WO2023116427A1 publication Critical patent/WO2023116427A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • 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
    • H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

Definitions

  • the embodiments of the present application relate to the technical field of power supply, and in particular to a dual-input power supply module, chip, circuit board assembly and electronic equipment.
  • Power supply technology is developing towards high efficiency and miniaturization.
  • redundant power supply backup power supply is a commonly used power supply method.
  • This method has obvious disadvantages such as a large number of modules and a large footprint.
  • With the goal of reaching carbon peak and carbon neutrality improving the power conversion efficiency of the data center and reducing the number of power modules to reduce operating investment and power consumption have become the focus of people's concern.
  • single power supply modules in order to reduce the number of power supplies, single power supply modules generally use dual input voltages for power supply to achieve redundant backup of power input.
  • the number of power supply modules can be changed from N+N configuration to N+1 configuration, which saves power supply costs and reduces the space occupied by the power supply.
  • the main purpose of the embodiments of the present application is to provide a dual-input power supply module, a chip, a circuit board assembly, and an electronic device for reducing power loss of the dual-input power supply module and avoiding electromagnetic interference between auxiliary power supplies.
  • the embodiment of the present application provides a dual-input power supply module, including: the first power input and the second power input are respectively connected to the main converter through a switch; the switch control unit is used to The detected input of the first power supply and the input of the second power input detected by the second detection circuit control the switch to conduct one of the first power input and the second power input with the main converter; wherein:
  • the dual-input power supply circuit also includes a first auxiliary power supply, a second auxiliary power supply, and a third auxiliary power supply; the input end of the first auxiliary power supply is connected to the first power supply input, and the input end of the second auxiliary power supply is connected to the second power supply input; the third auxiliary power supply The input end of the power supply is connected to the bus bar output end of the main converter, and the output end of the third auxiliary power supply is connected to the power supply end of the main converter and the power supply ends of several circuit units; wherein, the several circuit units include a first detection circuit, a second detection circuit , switch
  • an embodiment of the present application provides a chip including the above dual-input power supply module.
  • an embodiment of the present application provides a circuit board assembly including the above dual-input power supply module.
  • an embodiment of the present application provides an electronic device including the above dual-input power supply module.
  • FIG. 1 is a schematic structural diagram of a dual-input power supply module according to an embodiment of the present application
  • Fig. 2 is a structural schematic diagram of a traditional dual-input power supply module
  • FIG. 3 is a schematic structural diagram of another traditional dual-input power supply module
  • Fig. 4 is a schematic diagram of auxiliary power supply in a traditional dual-input power supply module
  • Fig. 5 is a schematic diagram of auxiliary power supply in a dual-input power supply module according to an embodiment of the present application
  • FIG. 6 is a schematic structural diagram of a dual-input power supply module according to another embodiment of the present application.
  • Fig. 7 is a schematic diagram of auxiliary power supply in a dual-input power supply module according to another embodiment of the present application.
  • Fig. 8 is a schematic structural diagram of a dual-input power supply module according to another embodiment of the present application.
  • An embodiment of the present application relates to a dual-input power supply module.
  • the circuit structure diagram of the dual-input power supply module is shown in FIG. 1 .
  • the dual-input power module includes: the first power input and the second power input are respectively connected to the main converter through a switch; the switch control unit is used to The situation and the input situation of the second power input detected by the second detection circuit control the switch to conduct one of the first power input and the second power input with the main converter; the dual-input power circuit also includes a first auxiliary power supply, second auxiliary power supply, and third auxiliary power supply; the input end of the first auxiliary power supply is connected to the input of the first power supply, the input end of the second auxiliary power supply is connected to the input of the second power supply; the input end of the third auxiliary power supply is connected to the main converter The output terminal of the bus bar, the output terminal of the third auxiliary power supply is connected to the power supply terminal of the main converter and the power supply terminals of several circuit units; wherein, the several circuit units include a first detection circuit, a second detection circuit, a switch, and a switch control unit; The first auxiliary power supply, the second auxiliary power supply, and the third
  • FIG. 2 The structure of a traditional dual-input power module is generally shown in Figure 2 or Figure 3, which consists of an EMI filter, a switch, an isolated auxiliary power supply, a main converter, and an auxiliary power supply for the main converter.
  • the switch generally adopts a double-pole double-throw switch with a combination of multiple relays, or a single double-pole double-throw relay or contactor. Since the dual input requires insulation and isolation, it cannot be directly connected in parallel to supply power to the power module. Especially in the case where the switch adopts a magnetic latching switch, the initial state of the switch contact cannot be determined. Therefore, it is necessary to control the state of the switch and the state of the input power supply to select and switch, so as to ensure the normal power-on of the dual-input power supply module.
  • the main converter in the dual-input power module is generally composed of a power factor correction (Power Factor Correction, "PFC") converter and a DC/DC converter. It also needs an auxiliary power circuit for power supply.
  • PFC Power Factor Correction
  • the existing auxiliary power supply is generally designed to provide an auxiliary power supply for the input port voltage detection circuit, switch and dual-input switching control circuit, as shown in Figure 4.
  • the input detection circuit detects that the power supply of one or two inputs is normal
  • the dual-input control circuit controls the switch to select one input.
  • both the first auxiliary power supply and the second auxiliary power supply need to provide power supply for the switching switch and the input detection circuit, the two work independently and there is power consumption in long-term operation.
  • the common mode voltage generated by the switching noise of the auxiliary power converter will be directly coupled to the input, the two isolated auxiliary power supplies have no power factor correction, and the harmonic interference input of the auxiliary power supply will directly affect the electromagnetic compatibility of the entire dual-input power supply module. (Electro Magnetic Compatibility, referred to as "EMC”) indicators.
  • EMC Electro Magnetic Compatibility
  • EMI Electromagnetic Interference
  • the dual-input power supply module in this embodiment, the first power input 101 and the second power input 102 are respectively connected to the main converter 106 through the switch 103; situation and the input situation of the second power input detected by the second detection circuit 105, control the switch 103 to conduct one of the first power input and the second power input with the main converter;
  • the dual-input power circuit also includes the first An auxiliary power supply 107, a second auxiliary power supply 108, and a third auxiliary power supply 109; the input end of the first auxiliary power supply 107 is connected to the first power supply input 101, and the input end of the second auxiliary power supply 108 is connected to the second power supply input 102; the third auxiliary power supply
  • the input end of the power supply 109 is connected to the PFC bus output end of the main converter 106, and the output
  • the switch control unit involved in the dual-input power supply module can be realized by designing a hardware circuit, or by designing a small chip by software.
  • the main converter in the dual-input power module involved in this embodiment may also be composed of a PFC converter and a DC/DC converter.
  • an EMI filter may also be provided between the output end of the switch and the input end of the main converter, so as to ensure that the dual-input power module is not affected by electromagnetic interference.
  • the output terminal of the first auxiliary power supply, the output terminal of the second auxiliary power supply and the bus output terminal of the main converter are combined in parallel to form a combined circuit for supplying power to the third auxiliary power supply
  • the output end is used to connect the combined output end of the third auxiliary power supply to the input end of the third auxiliary power supply.
  • Figure 5 for a schematic diagram of the auxiliary power supply in the dual-input power module involved in this example.
  • the first auxiliary power supply and the second auxiliary power supply can be used to provide input voltage for the third auxiliary power supply during the startup phase of the power module.
  • the first auxiliary power supply and the second auxiliary power supply are controlled.
  • the power supply stops supplying power.
  • the output of the third auxiliary power supply is used as the standard for judging whether to control the first auxiliary power supply and the second auxiliary power supply to stop power supply, which can better judge whether the dual-input power supply circuit enters the normal working stage, and make the first and second two auxiliary power supplies work as soon as possible.
  • the power supply stops supplying power, further saving power loss.
  • the third auxiliary power supply is always used to supply power to several circuit units, which can avoid negative effects caused by auxiliary circuit switching.
  • controlling the first auxiliary power supply and the second auxiliary power supply to stop supplying power to several circuit units can be realized through hardware design and software design.
  • the way of hardware implementation may be to configure the main converter of the dual-input power supply module as follows: the output voltage of the bus output terminal of the main converter is higher than the output voltage of the output terminal of the first auxiliary power supply and higher than the output voltage of the output terminal of the second auxiliary power supply Voltage.
  • This configuration of the main converter enables the first auxiliary power supply and the second auxiliary power supply to enter a dormant state after the dual-input power supply circuit enters a normal working phase, so that the power supply for several circuit units is switched to be provided by the third auxiliary power supply.
  • the method of software implementation may be to add an auxiliary power supply control unit to the dual-input power supply module; the auxiliary power supply control unit is respectively connected to the first auxiliary power supply, the second auxiliary power supply, and the third auxiliary power supply; the auxiliary power supply control unit is configured to: After detecting that the third auxiliary power supply receives the voltage output from the bus output terminal of the main converter, control the first auxiliary power supply and the second auxiliary power supply to stop supplying power to several circuit units; wherein, after the dual-input power supply circuit enters the normal working stage, the main The PFC bus output terminal of the converter outputs the voltage.
  • This configuration method for the dual-input power supply module can make the first auxiliary power supply and the second auxiliary power supply enter the dormant state after the dual-input power supply circuit enters the normal working stage, so as to switch the power supply of several circuit units to be provided by the third auxiliary power supply. .
  • the dual-input power supply module can be configured such that the input end of the first auxiliary power supply is directly connected to the input of the first power supply, and the input end of the second auxiliary power supply is directly connected to the input of the second power supply.
  • the dual-input power supply module can be configured such that the input end of the first auxiliary power supply is directly connected to the input of the first power supply, and the input end of the second auxiliary power supply is directly connected to the input of the second power supply.
  • a one-way switch is connected in series between the corresponding output terminal of the dual-input power supply module and the combined output terminal, and the positive pole of the one-way switch is connected to the output terminal, and the negative pole of the one-way switch is connected to the combined output terminal; the corresponding output terminal and combined output terminal, which is one of the following: the output terminal of the first auxiliary power supply and the combined output terminal used to supply power to the third auxiliary power supply; the output terminal of the second auxiliary power supply and the combined output terminal used to supply power to the third auxiliary power supply The combined output terminal of the main converter; the bus output terminal of the main converter and the combined output terminal for supplying power to the third auxiliary power supply; the first output terminal and the first combined output terminal of the first auxiliary power supply; the third auxiliary power supply The first output terminal and the first combined output terminal; the first output terminal and the second combined output terminal of the second auxiliary power supply; the second output terminal and the second combined output terminal of the third auxiliary power supply; the first auxiliary power supply
  • a unidirectional switch is connected in series between the corresponding output terminal and the combined output terminal to prevent the current from flowing backward.
  • the unidirectional switch involved in this example may be an electronic device with unidirectional conduction characteristics such as a diode in actual implementation.
  • the first auxiliary power supply and the second auxiliary power supply only provide power during the start-up phase of the input power supply circuit.
  • the third auxiliary power supply provides power, and the first and second auxiliary power supplies do not need to provide power.
  • both auxiliary power supplies need to provide power for the detection circuit and other modules, which can avoid the power loss caused by the long-term independent operation of the two auxiliary power supplies.
  • the first and second auxiliary power supplies are controlled to stop supplying power to the detection circuit and other modules, which can avoid electromagnetic interference caused by simultaneous operation of multiple auxiliary power supplies.
  • there is no need to configure an EMI filter device at the input port of the auxiliary power supply so that the efficiency and power density of the whole machine can be improved compared with the traditional dual-input power supply module.
  • FIG. 6 Another embodiment of the present application relates to a dual-input power supply module.
  • the circuit structure diagram of the dual-input power supply module is shown in FIG. 6 .
  • the dual-input power module includes: the first power input and the second power input are respectively connected to the main converter through a switch; the switch control unit is used to The situation and the input situation of the second power input detected by the second detection circuit control the switch to conduct one of the first power input and the second power input with the main converter; the dual-input power circuit also includes a first auxiliary power supply, second auxiliary power supply, and third auxiliary power supply; the input end of the first auxiliary power supply is connected to the input of the first power supply, the input end of the second auxiliary power supply is connected to the input of the second power supply; the input end of the third auxiliary power supply is connected to the main converter The output terminal of the bus bar, the output terminal of the third auxiliary power supply is connected to the power supply terminal of the main converter and the power supply terminals of several circuit units; wherein, the several circuit units include a first detection circuit, a second detection circuit, a switch, and a switch control unit; The first auxiliary power supply, the second auxiliary power supply, and the third
  • FIG. 7 for a schematic diagram of the auxiliary power supply in the dual-input power module involved in this embodiment.
  • the first auxiliary power supply and the second auxiliary power supply have three output terminals respectively, and the third auxiliary power supply has five output terminals (not all shown in the figure); the first output terminal of the first auxiliary power supply and The first output end of the third auxiliary power supply is connected in parallel to form the first combined output end, and the first combined output end is connected to the power supply end of the first detection circuit; the first output end of the second auxiliary power supply and the third auxiliary power supply The second output end is combined with the circuit to form the second combined output end, and the second combined output end is connected to the power supply end of the second detection circuit (the input detection power supply module shown in Fig.
  • the power supply terminal of the input detection power supply module is connected to the first combined output terminal or the second combined output terminal); the second output terminal of the first auxiliary power supply, the second output terminal of the second auxiliary power supply and the third auxiliary power supply
  • the third output end of the power supply is combined with the circuit to form the third combined output end, and the third combined output end is connected to the power supply end of the switch (as shown in the switch power supply module in Figure 7, the power supply section of the switch power supply module is connected to is the third combined output end); the third output end of the first auxiliary power supply, the third output end of the second auxiliary power supply and the fourth output end of the third auxiliary power supply are combined to form the fourth combined output end , the fourth combined output terminal is connected to the power supply terminal of the switch control unit (as shown in the switching control power supply module in Figure 7, the fourth combined output terminal is connected to the power supply section of the switching control power supply module); the third auxiliary power supply
  • the fifth output terminal of the main converter is connected to the power supply terminal of the switch control unit (
  • the third auxiliary power supply can also be configured to have six output terminals, that is, the fifth output terminal is connected to the power supply terminal of the PFC converter in the main converter, and the sixth output terminal is connected to the DC/DC in the main converter. power supply side of the converter.
  • the circuit structure diagram of the dual-input power supply module involved in this embodiment is shown in FIG. 8 .
  • circuit units can also be divided into two groups, that is, in addition to the detection circuit including the first detection circuit and the second detection circuit, the switch can also include the first switch and the second switch .
  • the transfer switch control unit includes a first transfer switch control unit and a second transfer switch control unit. Two groups of several circuit units are respectively connected with the two power supply inputs and the auxiliary power supply connected thereto.
  • the third auxiliary power supply has seven output terminals. Except that the output terminals of the first combination and the second combination are still connected to the power supply terminals of the first and second detection circuits, the second output terminal of the first auxiliary power supply and the third output terminal of the third auxiliary power supply can be set in parallel
  • the circuit forms the third combined output terminal, which is connected to the power supply terminal of the first switch; the second output terminal of the second auxiliary power supply and the fourth output terminal of the third auxiliary power supply are combined to form the fourth combined output terminal, which is connected to the fourth combined output terminal.
  • the power supply terminal of the second switch; the third output terminal of the first auxiliary power supply and the fifth output terminal of the third auxiliary power supply are combined in parallel to form the fifth combined output terminal, which is connected to the power supply terminal of the first switch control unit; the second The third output end of the auxiliary power supply and the sixth output end of the third auxiliary power supply are combined in parallel to form the sixth combined output end, which is connected to the power supply end of the second switch control unit; the seventh output end of the third auxiliary power supply is connected to the main The power supply terminal of the converter.
  • This configuration can provide better isolation between the two power inputs, further avoiding electromagnetic interference in the dual-input power module.
  • the third auxiliary power supply can also be configured to have eight output terminals.
  • the seventh output terminal of the third auxiliary power supply can be connected to the power supply terminal of the PFC converter in the main converter, and the eighth output terminal of the third auxiliary power supply can be connected to the main converter.
  • controlling the first auxiliary power supply and the second auxiliary power supply to stop supplying power to several circuit units can also be realized by hardware design and software design.
  • the implementation manner is the same as the technical details involved in the previous implementation manner, and is also applicable in this implementation manner, so details are not repeated here.
  • the first auxiliary power supply and the second auxiliary power supply only provide power during the start-up phase of the input power supply circuit.
  • the third auxiliary power supply provides power, and the first and second auxiliary power supplies do not need to provide power.
  • both auxiliary power supplies need to provide power for the detection circuit and other modules, which can avoid the power loss caused by the long-term independent operation of the two auxiliary power supplies.
  • the third auxiliary power supply supplies power to modules such as the detection circuit, which can ensure stable input of these circuit units.
  • An embodiment of the present application relates to a chip including the above-mentioned dual-input power supply module.
  • the first auxiliary power supply and the second auxiliary power supply of the dual-input power supply module in the chip provided by this embodiment only provide power during the start-up phase of the input power supply circuit.
  • the third auxiliary power supply provides power, and the first and second auxiliary power supplies do not need to provide power.
  • both auxiliary power supplies need to provide power for the detection circuit and other modules, which can avoid the power loss caused by the long-term independent operation of the two auxiliary power supplies.
  • the first and second auxiliary power supplies are controlled to stop supplying power to the detection circuit and other modules, which can avoid electromagnetic interference caused by the simultaneous operation of the two auxiliary power supplies.
  • Another embodiment of the present application relates to a circuit board assembly including the above dual-input power supply module.
  • the dual-input power module in the circuit board assembly provided in this embodiment includes the dual-input power module involved in the foregoing embodiments, and has corresponding functional modules and beneficial effects of the dual-input power module, which will not be repeated here.
  • Another embodiment of the present application relates to an electronic device including the above-mentioned dual-input power supply module.
  • the electronic equipment provided in this embodiment includes the dual-input power module involved in the foregoing embodiments, and has corresponding functional modules and beneficial effects of the dual-input power module, which will not be repeated here.
  • the electronic device involved in this implementation manner may be a power supply device including the above-mentioned dual-input power supply module.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Dc-Dc Converters (AREA)

Abstract

La présente demande se rapporte au domaine technique de l'alimentation électrique, et divulgue un module d'alimentation électrique à double entrée, une puce, un ensemble carte de circuit imprimé et un dispositif électronique. Le module d'alimentation électrique à double entrée comprend deux entrées d'alimentation électrique qui sont connectées séparément à un convertisseur principal au moyen d'un commutateur ; une unité de commande de commutateur est utilisée pour amener, en fonction des situations d'entrée des deux entrées d'alimentation électrique respectivement détectées par des premier et second circuits de détection, le commutateur à connecter l'une des première et seconde entrées d'alimentation électrique au convertisseur principal ; les extrémités d'entrée de première et seconde alimentations électriques auxiliaires sont respectivement connectées aux première et seconde entrées d'alimentation électrique ; l'extrémité d'entrée d'une troisième alimentation électrique auxiliaire est connectée à l'extrémité de sortie de bus du convertisseur principal, et l'extrémité de sortie de la troisième alimentation électrique auxiliaire est connectée à l'extrémité d'alimentation électrique du convertisseur principal et aux extrémités d'alimentation électrique d'une pluralité d'unités de circuit ; dans une étape de démarrage, les première et seconde alimentations électriques auxiliaires fournissent de l'énergie à la pluralité d'unités de circuit ; après l'entrée dans une étape de fonctionnement normal, la troisième alimentation électrique auxiliaire fournit de l'énergie à la pluralité d'unités de circuit.
PCT/CN2022/137019 2021-12-22 2022-12-06 Module d'alimentation électrique à double entrée, puce, ensemble carte de circuit imprimé et dispositif électronique WO2023116427A1 (fr)

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CN202111582611.8A CN116388144A (zh) 2021-12-22 2021-12-22 一种双输入电源模块、芯片、电路板组件和电子设备
CN202111582611.8 2021-12-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117406847A (zh) * 2023-12-14 2024-01-16 浙江地芯引力科技有限公司 芯片及其供电电路和电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103683468A (zh) * 2012-09-17 2014-03-26 台达电子工业股份有限公司 电源系统以及电源系统的控制方法
CN104578383A (zh) * 2013-10-21 2015-04-29 雅达电子国际有限公司 输入冗余电路
CN111371169A (zh) * 2018-12-26 2020-07-03 中兴通讯股份有限公司 一种多输入供电系统、方法、设备及可读存储介质
CN112018873A (zh) * 2020-08-24 2020-12-01 安徽动力源科技有限公司 一种双输入电路

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103683468A (zh) * 2012-09-17 2014-03-26 台达电子工业股份有限公司 电源系统以及电源系统的控制方法
CN104578383A (zh) * 2013-10-21 2015-04-29 雅达电子国际有限公司 输入冗余电路
CN111371169A (zh) * 2018-12-26 2020-07-03 中兴通讯股份有限公司 一种多输入供电系统、方法、设备及可读存储介质
CN112018873A (zh) * 2020-08-24 2020-12-01 安徽动力源科技有限公司 一种双输入电路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117406847A (zh) * 2023-12-14 2024-01-16 浙江地芯引力科技有限公司 芯片及其供电电路和电子设备
CN117406847B (zh) * 2023-12-14 2024-04-09 浙江地芯引力科技有限公司 芯片及其供电电路和电子设备

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