CN101854125A - Intelligent voltage source - Google Patents
Intelligent voltage source Download PDFInfo
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- CN101854125A CN101854125A CN201010150552A CN201010150552A CN101854125A CN 101854125 A CN101854125 A CN 101854125A CN 201010150552 A CN201010150552 A CN 201010150552A CN 201010150552 A CN201010150552 A CN 201010150552A CN 101854125 A CN101854125 A CN 101854125A
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Abstract
The invention discloses an intelligent voltage source. A personal computer (PC) control module is provided, so that a user can preset a multi-path voltage through the PC; and at the same time, the multi-path voltage is converted into a control signal so as to act on a power supply management module, so that various voltage inputs (conventionally below 5V) appointed by the user can be implemented at the corresponding port. The intelligent voltage source has the advantages of intellectualization, convenient operation, high control precision, high response speed and the like. The intelligent voltage source can be widely applied to all kinds of embedded electronic systems and special voltage regulating and controlling systems. Furthermore, in the intelligent voltage source provided in the invention, each port of the power supply management module can output 5 V, 3.3 V, 3 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V and 0.9 V of voltage respectively under an initial state, so that the requirements of the electronic systems on various voltage specifications under the conventional condition can be met.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of intelligent voltage source, but realize all power supplys of online programming control voltage output of multichannel.
Background technology
The speed development of current microelectric technique to make rapid progress, technology level also improves day by day.Microelectric technique develops into current 22nm from 130nm, has only used short three or four years.Along with the microelectronic processing technique level improves, new Low-voltage Low-power device and chip emerge in an endless stream.Technological level difference, its core voltage demand are also different, from the 5V of routine, 3.3V device 1.2V, the 1.8V device of main flow up till now, even the 0.9V device under the advanced technologies.And the peripheral hardware voltage requirements of different bus standard is also different, for example, current main-stream based on the PCIE bus of LVDS level standard with the 2.5V power voltage supply, some liquid crystal drive are with the 3V power voltage supply, partial memory is with the 1.5V power voltage supply.We can say that the embedded electronic system of a complexity often needs some kinds of different voltage configurations could realize all functions of this system.Therefore one can will have huge market prospects at the voltage source that user's request is adjusted flexibly.
In addition, except various voltage specifications recited above (5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.2V, 0.9V etc.), also have some occasions to need to adjust flexibly the control voltage of chip device.By control voltage change can the controlled target amount the physical parameter change, as phase place and gain.Voltage controlled gain chip and phase shifter are exactly that control voltage is realized respectively gaining and the change of phase place by changing.Use very extensively in the automatic gain control of voltage controlled gain chip in mobile communication, and phase shifter also is widely used in phased array antenna ripple control machine.But these occasions all require voltage control precision height, response speed fast.
Summary of the invention
The object of the present invention is to provide a kind of intelligent voltage source, realize the output of user-defined plurality of voltages.
The invention provides a kind of intelligent voltage source, comprise pc user's control module, serial port protocol interface module, microprocessor module and power management module, wherein, described pc user's control module is used for the default required plurality of voltages by PC, converts described plurality of voltages to corresponding voltage control word and transmits control signal according to serial port protocol; Described serial port protocol interface module receives described control signal from described pc user's control module, it comprises serial interface cable, serial ports connector and serial ports physical layer processing unit, and described serial ports physical layer processing unit is used for that described control signal is carried out the corresponding physical layer and handles; Described microprocessor module connects described serial port protocol interface module, is used for described control signal is carried out corresponding network layer handles; Described power management module connects described microprocessor module, and it has a plurality of ports, realizes the required voltage of port output of appointment according to described control signal.
In above-mentioned intelligent voltage source, also comprise the power supply output module, it connects power management module, is used to provide a plurality of output port of power source that are connected with upstream device.
In above-mentioned intelligent voltage source, described power supply output module is a plurality of passive-type connectors.
In above-mentioned intelligent voltage source, also comprise Power Entry Module, it connects serial port protocol interface module, microprocessor module and power management module, is used to realize the input and the supply of electric power.
In above-mentioned intelligent voltage source, described Power Entry Module comprises AC adapter, power connector and switch.
In above-mentioned intelligent voltage source, described power management module has 8 ports, and described 8 ports are exported 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.2V, 0.9V voltage respectively under initial condition.
Compared with prior art, a kind of intelligent voltage source provided by the invention, by the pc user is provided control module, the user can be by the default required plurality of voltages of PC, this plurality of voltages is converted into control signal to act on power management module simultaneously, thereby various voltage outputs (routine is below the 5V) in the existing user's appointment of corresponding end cause for gossip, have advantages such as intelligent, easy to operate, that control precision is high, response speed is fast, can be widely used in the conventional various embedded electronic systems and various special voltage regulator control system.And, in the intelligent voltage source provided by the invention, each port of power management module is exported 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.2V, 0.9V voltage respectively under initial condition, thereby has satisfied the conventional various voltage specification demands of electronic system down.
Description of drawings
Fig. 1 is the structural representation of intelligent voltage source of the present invention;
Fig. 2 is the job step flow chart of intelligent voltage source of the present invention.
Embodiment
For purpose of the present invention, feature are become apparent, the specific embodiment of the present invention is further described below in conjunction with accompanying drawing.
See also Fig. 1, Fig. 1 has shown the structural representation of intelligent voltage source of the present invention.Among Fig. 1, this intelligent voltage source comprises pc user's control module 1, serial port protocol interface module 2, microprocessor module 3, power management module 4.The function and the structure of each module are described below in conjunction with Fig. 1.
PC (personal computer) user's control module 1 is used for the default required plurality of voltages by PC, converts this plurality of voltages to corresponding voltage control word and transmits control signal according to serial port protocol.Particularly, pc user's control module 1 algorithm computation engine and interface engine of user interface being provided and running on the backstage, interface.By user interface, the user can import required plurality of voltages (promptly specify the output voltage of a plurality of ports, routine is that 5V is following), not input as default treatment, promptly do not adjust the output voltage of this port.Yet what actual microprocessor module 3 controls were required is corresponding voltage control word, therefore at interface running background computing engines, according to the output voltage of power management module 4 and the algorithm between the voltage control word, calculates required voltage control word.Be not chosen in microprocessor module 3 in PC calculating voltage control word and realize, can bring following 2 benefits: the one, alleviate the amount of calculation of microprocessor module 3, reduce the response time loss with the powerful computing power of PC; The 2nd, because amount of calculation reduces, the performance requirement of microprocessor module 3 descends, and can select a lower-cost chip microcontroller control for use, and then reduce cost.After obtaining the voltage control word of required plurality of voltages correspondence, consensus standard according to definition carries out signal framing (frame information comprises the port numbers and the corresponding voltage control word thereof of each port), and the calling interface engine is to transmit control signal according to serial port protocol (RS232 bus standard) then.
Serial port protocol interface module 2 receives control signal from pc user's control module 1.Particularly, serial port protocol interface module 2 realizes the connection of interface between PC and the microprocessor module 3, and it comprises serial interface cable 21, serial ports connector 22 and serial ports physical layer processing unit 23.Serial interface cable 21 is computer 9 needle serial port cables commonly used, and serial ports connector 22 is the DB9 serial port female, and above-mentioned both pass the serial data (being control signal) that PC sends toward serial ports physical layer processing unit 23.Serial ports physical layer processing unit 23 is used for that control signal is carried out the corresponding physical layer and handles, the RS232 bus interface level of input is converted to the level (for example Transistor-Transistor Logic level or CMOS level) that microprocessor module 3 is accepted, is sent to microprocessor module 3 by RS232 bus C then.
Microprocessor module 3 connects serial port protocol interface module 2, is used for control signal is carried out corresponding network layer handles.Microprocessor module 3 is a logic control element of the present invention, and its core is a microprocessor, and this microprocessor periphery also has electronic devices such as resistance, electric capacity.Integrated of microprocessor internal is gone up program storage and data storage, can peripherally add flash flash memory and SRAM like this, thereby creates conditions for miniaturization of the present invention.After powering on, microprocessor program storage from the sheet reads the program after having cured, and finishes configuration.Here, microprocessor module 3 receives the user control command that PC sends, and resolves user command according to the protocol format of definition, and decomposition obtains the voltage control word of each port correspondence with control power management module 4.But the control bus standard of power management module 4 can have polytype (being the I2C bus standard in the present embodiment), so microprocessor must carry out again framing to transmit control signal according to the control bus standard of power management module 4.In the present embodiment, send corresponding control signal by I2C bus Z.
Power management module 4 connects microprocessor module 3, and it has a plurality of ports, realizes the required voltage of port output of appointment according to control signal.Power management module 4 comprises the power management chip of core and resistance, electric capacity, the inductance of this power management chip periphery.These resistance, electric capacity, inductance are interconnected with the particular electrical circuit form, realize power decoupling, the control of DC/DC circuit voltage.Power management chip is inner integrated 4 road voltage-dropping type DC/DC outputs, 4 route pressurizers and voltage management circuitry etc. are adjusted precision to realize voltage-reg-ulator tube reason function and stepping thereof.In the present embodiment, precision is adjusted in each road output voltage stepping and output error is 0.02V, has the high advantage of precision.Thus, under the direct effect of the control signal of microprocessor module 3, power management module 4 is realized the required voltage of port output of user's appointments.In addition, in the present embodiment, power management module 4 has 8 ports, and each port can be exported 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.2V, 0.9V voltage respectively under initial condition (user does not dispose), satisfies the conventional various voltage specification demands of electronic system down.Particularly, the initial condition of power management module 4 also is that microprocessor module 3 is controlled by I2C bus Z and realized, is specified by the program that is solidificated in the on-chip memory, powers on and can realize.
This intelligent voltage source also comprises power supply output module 5, and it connects power management module 4, is used to provide a plurality of output port of power source that are connected with upstream device.Particularly, power supply output module 5 can be connected with power management module 4 by the power filter rectification circuit for a plurality of passive-type connectors (in the present embodiment being 8), and a plurality of output port of power source that are connected with upstream device are provided.
In addition, this intelligent voltage source also comprises Power Entry Module 6, and it connects serial port protocol interface module 2, microprocessor module 3 and power management module 4, is used to realize the input and the supply of electric power.Power Entry Module 6 comprises AC adapter 61, power connector 62 and switch 63.AC adapter 61 conventional types for output 5V to 6V can not select for use output voltage to be higher than the type of 6V, and this is owing to be limited to 6V on the maximum input voltage that power management module 4 can bear.Power connector 62 and switch 63 provide path for the access of electric power.
Next, specifically describe the job step of intelligent voltage source of the present invention in conjunction with Fig. 2.
Step S1 with the 61 incoming transport electricity of the AC adapter in the Power Entry Module 6, realizes the input of electric power by follow-up power connector 62 and switch 63 devices.Microprocessor module 3 reads program curing from on-chip memory, finishes configuration, waits for Data Receiving.Power management module 4 is operated in initial condition, and 8 ports are exported 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.2V, 0.9V voltage respectively.
Step S2, the pc user's control module 1 on the operation PC, the user imports the required voltage of each port.After pc user's control module 1 obtained required voltage, the voltage control word that carries out the backstage according to respective algorithms calculated, and sent user control command according to the protocol format and the RS232 standard of definition.
Step S3, by serial port protocol interface module 2, microprocessor module 3 receives the user control command that PC sends, and obtains required voltage control word, last control bus I2C standard transmitting control commands according to power management module 4 according to the protocol format parsing user control command of definition.
Step S4, power management module 4 realize the required voltage of port output of user's appointment under the direct effect of the control signal of microprocessor module 3.Afterwards, the output voltage of each port is passed to power supply output module 5 through behind the filter rectification.Output to each port from user's designated port and truly export, the response time is less than 100ms.
Thus, a kind of intelligent voltage source provided by the invention, by the pc user is provided control module, the user can be by the default required plurality of voltages of PC, this plurality of voltages is converted into control signal to act on power management module simultaneously, thereby various voltage outputs (routine is below the 5V) in the existing user's appointment of corresponding end cause for gossip, have advantages such as intelligent, easy to operate, that control precision is high, response speed is fast, can be widely used in the conventional various embedded electronic systems and various special voltage regulator control system.And, in the intelligent voltage source provided by the invention, each port of power management module is exported 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.2V, 0.9V voltage respectively under initial condition, thereby has satisfied the conventional various voltage specification demands of electronic system down.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (6)
1. an intelligent voltage source is characterized in that, comprises pc user's control module, serial port protocol interface module, microprocessor module and power management module, wherein,
Described pc user's control module is used for the default required plurality of voltages by PC, converts described plurality of voltages to corresponding voltage control word and transmits control signal according to serial port protocol;
Described serial port protocol interface module receives described control signal from described pc user's control module, it comprises serial interface cable, serial ports connector and serial ports physical layer processing unit, and described serial ports physical layer processing unit is used for that described control signal is carried out the corresponding physical layer and handles;
Described microprocessor module connects described serial port protocol interface module, is used for described control signal is carried out corresponding network layer handles;
Described power management module connects described microprocessor module, and it has a plurality of ports, realizes the required voltage of port output of appointment according to described control signal.
2. intelligent voltage source as claimed in claim 1 is characterized in that, also comprises the power supply output module, and it connects power management module, is used to provide a plurality of output port of power source that are connected with upstream device.
3. intelligent voltage source as claimed in claim 2 is characterized in that, described power supply output module is a plurality of passive-type connectors.
4. intelligent voltage source as claimed in claim 1 is characterized in that, also comprises Power Entry Module, and it connects serial port protocol interface module, microprocessor module and power management module, is used to realize the input and the supply of electric power.
5. intelligent voltage source as claimed in claim 4 is characterized in that described Power Entry Module comprises AC adapter, power connector and switch.
6. intelligent voltage source as claimed in claim 1 is characterized in that, described power management module has 8 ports, and described 8 ports are exported 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V, 1.2V, 0.9V voltage respectively under initial condition.
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| CN201010150552A CN101854125A (en) | 2010-04-14 | 2010-04-14 | Intelligent voltage source |
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| CN201010150552A CN101854125A (en) | 2010-04-14 | 2010-04-14 | Intelligent voltage source |
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| CN103744499A (en) * | 2014-01-20 | 2014-04-23 | 山东超越数控电子有限公司 | Method for supplying power to loongson 3B1500 processors in two-way blade server |
| CN104238707A (en) * | 2013-06-20 | 2014-12-24 | 联想(北京)有限公司 | Electronic equipment and power supplying method |
| WO2016123970A1 (en) * | 2015-02-06 | 2016-08-11 | 中兴通讯股份有限公司 | Communication card having adjustable pull-up voltage |
| WO2016165232A1 (en) * | 2015-04-14 | 2016-10-20 | 中兴通讯股份有限公司 | Thin terminal power supply method, device and system, and thin terminal power mainboard |
| CN106139219A (en) * | 2016-07-15 | 2016-11-23 | 重庆蓝岸通讯技术有限公司 | Intelligent aromatherapy heating instrument controls module |
| CN112285961A (en) * | 2020-11-18 | 2021-01-29 | 中航华东光电有限公司 | Automatic optical test system for liquid crystal display product |
| CN117080745A (en) * | 2023-10-18 | 2023-11-17 | 成都天锐星通科技有限公司 | Integrated phased array antenna system and phased array antenna terminal |
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| CN106139219A (en) * | 2016-07-15 | 2016-11-23 | 重庆蓝岸通讯技术有限公司 | Intelligent aromatherapy heating instrument controls module |
| CN106139219B (en) * | 2016-07-15 | 2019-09-10 | 重庆蓝岸通讯技术有限公司 | Intelligent aromatherapy heating instrument controls mould group |
| CN112285961A (en) * | 2020-11-18 | 2021-01-29 | 中航华东光电有限公司 | Automatic optical test system for liquid crystal display product |
| CN117080745A (en) * | 2023-10-18 | 2023-11-17 | 成都天锐星通科技有限公司 | Integrated phased array antenna system and phased array antenna terminal |
| CN117080745B (en) * | 2023-10-18 | 2024-01-19 | 成都天锐星通科技有限公司 | Integrated phased array antenna system and phased array antenna terminal |
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Application publication date: 20101006 |