WO2012152160A1 - Alimentation électrique numérique et carte de circuits - Google Patents

Alimentation électrique numérique et carte de circuits Download PDF

Info

Publication number
WO2012152160A1
WO2012152160A1 PCT/CN2012/073667 CN2012073667W WO2012152160A1 WO 2012152160 A1 WO2012152160 A1 WO 2012152160A1 CN 2012073667 W CN2012073667 W CN 2012073667W WO 2012152160 A1 WO2012152160 A1 WO 2012152160A1
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
digital power
digital
interface
control unit
Prior art date
Application number
PCT/CN2012/073667
Other languages
English (en)
Chinese (zh)
Inventor
殷俊琳
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012152160A1 publication Critical patent/WO2012152160A1/fr

Links

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
    • 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
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/157—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control

Definitions

  • the present invention relates to the field of power supply control, and in particular to a digital power supply and a circuit board.
  • power supply technologies are mostly implemented by analog signal control technologies.
  • the advantages of analog signal control are: simple circuit, stable output, low cost, and disadvantages: no flexible control, low efficiency.
  • the digital power supply has the advantages of online programmability, high operation precision, stable reliability, high processing efficiency, etc., but the current implementation cost is high, and corresponding PCB layout and wiring of the digital power supply are required for different applications.
  • the cost of digital power is high, and the use of high thresholds.
  • a digital power supply comprising: a pulse width modulation PWM control unit, and one or more driving units, wherein the driving unit is connected to the PWM control unit,
  • the PWM control unit is configured to process the input signal, and output the digital signal obtained after the processing to the driving unit;
  • the driving unit is configured to be a digital signal processed according to the PWM control unit Drive the field effect transistor.
  • the PWM control unit comprises: an analog to digital converter configured to convert the sampled output analog voltage signal into a digital signal; a memory configured to store an algorithm; and an interface configured to provide an external device to be connected to the digital power source And the interface is further configured to receive an edit performed on an algorithm stored by the memory; the controller is configured to process the digital signal according to an algorithm in the memory.
  • the driving unit comprises: a metal oxide semiconductor field effect transistor MOSFET driver.
  • the MOSFET driver is configured to provide one or more voltage outputs, and the one or more voltage outputs can be pre-configured.
  • the interface is a power input/output interface and/or a serial interface.
  • the power input/output interface is configured to connect a power source that needs to perform voltage conversion in the circuit system and a power source that needs to be obtained after the conversion.
  • the serial interface is: a 12C interface, a PMBUS interface or a GPIO interface.
  • the PWM control unit further comprises: a compensator configured to compensate each parameter used in the algorithm according to each parameter compensation value of the digital signal.
  • the digital power source is integrated in one module.
  • a circuit board is provided, the circuit board comprising the digital power source of any of the above.
  • the digital power supply includes: a PWM control unit and a driving unit, which can fix the PCB layout and wiring in the digital power module, and the digital power supply integrates the PWM control unit and the driving unit in a digital power module. It is made into an integrated digital power module, which is installed on the circuit board during use. It does not need to pay attention to the circuit PCB layout inside the digital power supply. Compared with the existing digital power supply, it has better advantages and makes the digital power supply convenient. The ground is suitable for a variety of different applications, reducing the use of digital power. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set to illustrate, FIG. Improperly qualified.
  • FIG. 1 is a structural block diagram of a digital power supply according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of a digital power supply according to a preferred embodiment of the present invention
  • FIG. 3 is a circuit board according to an embodiment of the present invention
  • 4 is a block diagram of a digital power module in accordance with a preferred embodiment of the present invention
  • FIG. 5 is a block diagram of the internal structure of a PWM control unit in accordance with a preferred embodiment of the present invention.
  • FIG. 1 is a structural block diagram of a digital power supply according to an embodiment of the present invention.
  • the digital power supply 10 includes: a pulse width modulation PWM control unit 12, and a Or a plurality of driving units 14, which are connected to the PWM control unit 12, and the digital power supply will be described below.
  • the PWM control unit 12 is configured to process the input signal and output the processed digital signal to the driving unit 14; the driving unit 14 is configured to drive the field effect transistor according to the digital signal processed by the PWM control unit 12.
  • the pulse width modulation PWM control unit is integrated with the driving unit, and the PWM control unit processes the digital signal as long as the algorithm in the PWM control unit is edited.
  • a preferred method in implementation that is, the digital power source mentioned in this embodiment and the following preferred embodiments can be integrated on one module and integrated into an integrated number with input, output and control pins.
  • the power module only needs to be installed on the circuit board in its package.
  • the digital power supply 10 includes: a PWM control unit 12, and one or more driving units 14, the driving unit 14 and the PWM.
  • the control unit 12 is connected thereto.
  • the PWM control unit 12 includes: an analog to digital converter 122, a memory 124, an interface 126 and a controller 128.
  • the modules in the PWM control unit in the digital power supply are described below.
  • the PWM control unit 12 includes: an analog to digital converter 122 configured to convert the sampled output analog voltage signal into a digital signal; a memory 124 configured to store an algorithm; and an interface 126 configured to provide an external device coupled to the digital power source An interface, the interface is further configured to receive an edit performed on an algorithm stored in the memory 124; the controller 128 is configured to process the digital signal in accordance with an algorithm in the memory 124.
  • the memory 124 and the interface 126 can be used to easily edit the algorithm, and the manner of editing the algorithm can also be
  • the digital power usage interface 126 is implemented with an external device.
  • the external device can be an MCU configured to perform online editing of the algorithm according to the needs of the digital power supply.
  • the controller 128 processes the digital signal and outputs it to the drive unit 14 through the interface to implement flexible configuration output control.
  • the driving unit 14 may include: a metal oxide semiconductor field effect transistor MOSFET driver.
  • MOSFET driver When using the driver, it is better to provide one or more voltage outputs according to user needs, wherein the one or more voltage outputs can be pre-configured, that is, the user can flexibly configure the output voltage according to his own needs. grade.
  • a power input and output interface and/or a serial interface is used as interface 126.
  • the serial interface is a serial interface such as an I2C interface, a PMBUS interface, or a GPIO interface.
  • the PWM control unit 12 further includes: a compensator 120 (the dotted line in FIG. 2 indicates that the module is preferably), and is configured to compensate each parameter used in the algorithm according to each parameter compensation value of the digital signal, To improve the accuracy of the output power. For example, the error signal, the pulse width required for the driver stage, the delay value that drives the optimized output, the loop compensation parameters, and so on.
  • a circuit board is also provided.
  • FIG. 3 is a structural block diagram of a circuit board according to an embodiment of the present invention. As shown in FIG. 3, the circuit board 20 includes the digital power supply 10 of any of the above.
  • the digital power module includes: a Micro Control Unit (MCU), which is set to be digital when powered on.
  • MCU Micro Control Unit
  • the power module is programmed online.
  • the MCU can be placed in the digital module as needed, or it can be selected independently of the digital module.
  • FIG. 5 is a block diagram showing the internal structure of a PWM control unit according to a preferred embodiment of the present invention, as shown in FIG.
  • the PWM control unit uses an analog to digital converter to convert the sampled output voltage signal into a digital signal.
  • the program memory stores the control algorithm of the microprocessor, and is set to execute a series of output values based on the analog-to-digital converter Calculation.
  • the results of these calculations are parameters such as the error signal, the pulse width required for the driver stage, the delay value optimized for various drive outputs, and the loop compensation parameters.
  • the external loop in the digital system no longer requires compensation components.
  • the reference comparison values of the parameters such as output voltage, output current, and temperature limit values, are stored in non-volatile memory or can be downloaded to the data memory at system startup.
  • the digital power module reserves a serial interface (for example, an I2C interface, a power management bus PMBUS interface, and a general purpose input output (GPIO)), and the PWM control unit is connected to the PC through a serial interface, and is configured to be implemented.
  • the PC performs online programming of the PWM control unit or communication between the PC and the PWM control unit, and is connected to the MCU through an I2C interface, a PMBUS interface, a GPIO interface or other serial interface, and is configured to implement an online programming of the PWM control unit by the MCU. Or communication between the MCU and the PWM control unit for flexible system level control and diagnostics.
  • PC and MCU need to be used in the initial stage of development. It is set to program the digital power module online.
  • the driving unit uses a Metal-Oxide-Semicondutor Field-Effect Transistor (MOSFET) driver, which can be easily connected to the PWM control unit, and can be programmed online according to user needs. More voltage output, each output can be flexibly configured according to user needs.
  • MOSFET Metal-Oxide-Semicondutor Field-Effect Transistor
  • the input interface is mainly to input the voltage that needs to be converted.
  • the output interface is set to output a variety of different voltage levels that the user needs. It can be programmed to output one or more outputs according to user needs.
  • the preferred embodiment can flexibly control the power output of each channel or turn off the power output.
  • the turn-on time and turn-off time of each output power supply are adjustable, and are set to achieve the upper and lower power timing control of different output of the same power module.
  • the layout of the digital power supply PCB layout needs to make the switch node area suitable, reduce the return path of the gate drive circuit, reduce the return path of the closed loop, clean feedback loop and the appropriate ground plane, in order to make the digital power supply normal. jobs.
  • the PCB layout and wiring in the digital power module are fixed by the above preferred embodiment to form an integrated digital power module, which allows the user to conveniently and conveniently use in different use situations without paying attention to the layout and wiring in the digital power module.
  • the application of the digital power module reduces the use threshold of the digital power supply.
  • the present invention is applicable not only to applications capable of using existing data power sources, but also to applications requiring a smaller size of the digital power supply and an inability to meet the existing circuit PCB layout and wiring requirements.
  • the utility model can make the digital power source have smaller volume and lower cost, reduce the use threshold of the digital power source, and expand the use range of the digital power source. It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented in a common circuit arrangement that can be concentrated on a single circuit arrangement or distributed across multiple circuit arrangements. Thus, the invention is not limited to any specific combination of hardware and software.

Abstract

L'invention concerne une alimentation électrique numérique (1) et une carte de circuits associée. L'alimentation électrique numérique (10) comprend : une unité de commande à modulation par largeur d'impulsion (PWM) (12) et une ou plusieurs unités d'attaque (14). L'unité d'attaque (14) et l'unité de commande PWM (12) sont connectées. L'unité de commande PWM (12) est utilisée pour traiter un signal d'entrée et fournir à l'unité d'attaque (14) un signal numérique obtenu après traitement. L'unité d'attaque (14) est utilisée pour commander un transistor à effet de champ en fonction du signal numérique traité par l'unité de commande PWM (12). L'alimentation électrique numérique offre une taille compacte et des coûts réduits et elle abaisse la barrière s'opposant à l'utilisation.
PCT/CN2012/073667 2011-07-27 2012-04-09 Alimentation électrique numérique et carte de circuits WO2012152160A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201120268782.9 2011-07-27
CN2011202687829U CN202306199U (zh) 2011-07-27 2011-07-27 数字电源及线路板

Publications (1)

Publication Number Publication Date
WO2012152160A1 true WO2012152160A1 (fr) 2012-11-15

Family

ID=46375059

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/073667 WO2012152160A1 (fr) 2011-07-27 2012-04-09 Alimentation électrique numérique et carte de circuits

Country Status (2)

Country Link
CN (1) CN202306199U (fr)
WO (1) WO2012152160A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112698708A (zh) * 2020-11-27 2021-04-23 深圳微步信息股份有限公司 一种数字电源主板及终端设备

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10233666A (ja) * 1997-02-18 1998-09-02 Toyota Motor Corp 負荷駆動装置
US6567922B1 (en) * 2000-04-21 2003-05-20 Hsiu-Mei Feng Pulse type activating system for power supply
CN101207324A (zh) * 2007-11-30 2008-06-25 中国航天科工集团第三总体设计部 带数字通信功能的开关电源数字控制器
CN101257273A (zh) * 2008-03-07 2008-09-03 张志贤 一种由二次锂电池组供电的直流电机驱动装置
CN201138757Y (zh) * 2007-11-09 2008-10-22 樊平 一种充电电源转换装置
CN101295203A (zh) * 2007-04-28 2008-10-29 佛山市顺德区顺达电脑厂有限公司 漏电消除方法
CN102025276A (zh) * 2010-11-11 2011-04-20 东南大学 一种数字控制开关电源跨时钟域控制器及其控制方法
CN102118516A (zh) * 2011-01-13 2011-07-06 中兴通讯股份有限公司 电源管理芯片输出电压的控制方法和系统

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10233666A (ja) * 1997-02-18 1998-09-02 Toyota Motor Corp 負荷駆動装置
US6567922B1 (en) * 2000-04-21 2003-05-20 Hsiu-Mei Feng Pulse type activating system for power supply
CN101295203A (zh) * 2007-04-28 2008-10-29 佛山市顺德区顺达电脑厂有限公司 漏电消除方法
CN201138757Y (zh) * 2007-11-09 2008-10-22 樊平 一种充电电源转换装置
CN101207324A (zh) * 2007-11-30 2008-06-25 中国航天科工集团第三总体设计部 带数字通信功能的开关电源数字控制器
CN101257273A (zh) * 2008-03-07 2008-09-03 张志贤 一种由二次锂电池组供电的直流电机驱动装置
CN102025276A (zh) * 2010-11-11 2011-04-20 东南大学 一种数字控制开关电源跨时钟域控制器及其控制方法
CN102118516A (zh) * 2011-01-13 2011-07-06 中兴通讯股份有限公司 电源管理芯片输出电压的控制方法和系统

Also Published As

Publication number Publication date
CN202306199U (zh) 2012-07-04

Similar Documents

Publication Publication Date Title
JP6367337B2 (ja) 単一の制御ループを有するマルチ出力昇圧レギュレータ
TWI364014B (en) Method and device capable of controlling soft-start dymatically
CN103378734B (zh) 半导体集成电路器件、电源设备以及控制电源设备的方法
TWI442211B (zh) 電源轉換器的控制裝置及其控制方法
CN103368360B (zh) 一种开关电源控制方法、开关电源控制电路和开关电源
JP7185374B2 (ja) パワーコンバータにおける高速モード遷移
US20150280559A1 (en) Unified control scheme for non-inverting high-efficiency buck-boost power converters
CN109510466A (zh) 用于启动高密度隔离dc/dc电力转换器的系统和方法
TW202135457A (zh) 用以控制驅動器電路之方法、驅動器電路、包含驅動器電路之系統及用以製造積體電路之方法
TW201622326A (zh) 電源管理電路和移動終端
WO2014012374A1 (fr) Procédé et appareil de commande
CN101783581A (zh) 多相驱动电路
WO2016177118A1 (fr) Procédé et dispositif de maîtrise de la commande d'amorçage côté haut et côté bas
WO2012152160A1 (fr) Alimentation électrique numérique et carte de circuits
Voytenko et al. Simulation peculiarities of high-frequency zero-current switching quasi-resonant boost converter
TW201619730A (zh) 電源電路及應用該電源電路的電子裝置
Abuelnasr et al. Delay mismatch insensitive dead time generator for high-voltage switched-mode power amplifiers
US20190305684A1 (en) Apparatus for Power Converter with Improved Performance and Associated Methods
TW201409223A (zh) 電源切換系統及其方法
TWI442210B (zh) 電源轉換器的控制裝置及其控制方法
JP6825460B2 (ja) 電源装置
US20150145331A1 (en) Circuits and methods for operating a switching regulator
TWI749933B (zh) 減少開關節點振鈴的開關電路
WO2022165814A1 (fr) Procédé et appareil de commande pour convertisseur d'énergie, et support de stockage
WO2017156838A1 (fr) Circuit de découpe d'angle dans un système d'attaque de panneau à cristaux liquides

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12782101

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12782101

Country of ref document: EP

Kind code of ref document: A1