CN103034310B - Electric power system - Google Patents
Electric power system Download PDFInfo
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- CN103034310B CN103034310B CN201110292307.XA CN201110292307A CN103034310B CN 103034310 B CN103034310 B CN 103034310B CN 201110292307 A CN201110292307 A CN 201110292307A CN 103034310 B CN103034310 B CN 103034310B
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Abstract
The present invention provides a kind of electric power system, and for powering for central processing unit, this electric power system includes that a bridging chip, a single-phase PDM keyer and a phase place adjust and drives module.This bridging chip monitors the duty of this single-phase PDM keyer to obtain a feedback signal and by this feedback signal transmission to this central processing unit.This central processing unit exports a control signal and transmits to this single-phase PDM keyer through this bridging chip.This single-phase PDM keyer exports a pulse-width signal to this phase place according to this control signal and adjusts driving module.This phase place adjust drive module under the control of this pulse-width signal by one outside input the first driving voltage be adjusted to second driving voltage with out of phase to drive this central processing unit.
Description
Technical field
The present invention relates to a kind of electric power system, particularly relate to a kind of electric power system being applied to network equipment processor.
Background technology
Along with the development of science and technology, the network equipment terminal such as desktop computer, notebook computer is widely used to the work of people, learns, lives；The network interconnection device such as work station, server is the most essential.And these network equipments are the supply standard that central processing unit (CentralProcessingUnit, CPU) is formulated is not quite similar.Such as there is the VRM Voltage Regulator Module standard (VoltageRegulatorModule, VRM) that Intel company formulates, be the supply standard that the CPU of desktop computer, work station and server formulates；And Intel moves voltage configuration (IntelMobileVoltagePositioning, IMVP) and is merely the supply standard that notebook computer CPU formulates；In addition industry there is also the various supply standards formulated for CPU formulated by other companies, and the phase place differring primarily in that voltage of various supply standard is different.
Different electric power system circuit design is both needed to for various different CPU supply standards, and along with the constantly upgrading of various supply standards needs to be continuously updated the design of electric power system.
Summary of the invention
For solving the problem that different central processing unit supply standard in prior art is both needed to different electric power system, it is necessary to provide the electric power system being suitable for different supply standards.
The present invention provides a kind of electric power system, for powering for central processing unit.This electric power system includes that a bridging chip, a single-phase PDM keyer and a phase place adjust and drives module.This bridging chip monitors the duty of this single-phase PDM keyer to obtain a feedback signal and by this feedback signal transmission to this central processing unit, and this central processing unit exports a control signal according to self duty and this feedback signal.This bridging chip receives the control signal of this central processing unit output and transmits this control signal to this single-phase PDM keyer.This single-phase PDM keyer exports a pulse-width signal to this phase place according to control signal and adjusts driving module.This phase place adjust drive module under the control of this pulse-width signal by one outside input the first driving voltage be adjusted to second driving voltage with out of phase to drive this central processing unit.
Compared to prior art, driving voltage can be adjusted to the ployphase voltages meeting different supply standards under this bridging chip, single-phase PDM keyer and this phase place adjust the control driving module, and then can save design time and cost by this electric power system.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric power system one embodiment of the present invention.
Fig. 2 is that phase place shown in Fig. 1 adjusts the physical circuit schematic diagram driving module.
Main element symbol description
Electric power system 10
Central processing unit 20
Bridging chip 110
Pin 111,113,115,117
Single-phase PDM keyer 130
Phase place adjusts and drives module 150
Signal receiving end 151
Driving voltage input 153
Voltage output end 155
Phase place adjusts driver 157
Phasing switch circuit 159
The first transistor Q1
Transistor seconds Q2
Inductance L
First electric capacity C1
Second electric capacity C2
Phase modulation resistance R
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is specifically introduced.
Referring to Fig. 1, it is the electric power system structural representation of one embodiment of the invention.This electric power system 10 is used for being that a central processing unit 20 is powered.This electric power system 10 includes that the single-phase PDM keyer 130 of bridging chip 110, one and a phase place adjust and drives module 150.
In the present embodiment, this bridging chip 110 includes that four pins 111,113,115,117, two of which pin 111,113 are connected with this central processing unit 20.This single-phase PDM keyer 130 includes a control signal input CON, a feedback signal output FE and a pulse-width signal outfan PWM.This control signal input CON and feedback signal output FE is connected with two other pin 115,117 of this bridging chip 110 respectively.
One of these bridging chip 110 two pins connecting central processing unit 20 111 are for receiving the control signal that this central processing unit 20 sends, and bridging chip 110 connects another pin 113 of central processing unit 20 for a feedback signal is sent to this central processing unit 20.
This bridging chip 110 is for monitoring the duty of this single-phase PDM keyer 130, and obtain a feedback signal from the feedback signal output FE of this single-phase PDM keyer 130, then this feedback signal is transmitted to central processing unit 20 by pin 111.This central processing unit 20 exports a control signal according to self duty and this feedback signal.One of these bridging chip 110 two pins connecting central processing unit 20 111 are for receiving the control signal that this central processing unit 20 sends, and transmit this control signal input CON controlling signal to this single-phase PDM keyer 130.
This single-phase PDM keyer 130 produces once pulse-width signal according to this control signal, and adjusts driving module 150 from pulse-width signal outfan PWM output to this phase place.
This phase place adjusts and drives module 150 to include signal receiving end 151, driving voltage input 153 and a voltage output end 155.This driving voltage input 153 receives the first driving voltage of an outside input, and this signal receiving end 151 is connected with the pulse-width signal outfan PWM of this single-phase PDM keyer 130.This voltage output end 155 is connected to this central processing unit 20.
This phase place adjusts and drives module 150 to receive this pulse-width signal by this signal receiving end 151, and according to this pulse-width signal, this first driving voltage is entered horizontal phasing control, produces one second driving voltage.Then this phase place adjusts and drives module 150 to export this second driving voltage to this central processing unit 20 from this voltage output end 155.
Referring to Fig. 2, it adjusts the physical circuit schematic diagram driving module 150 for phase place shown in Fig. 1.This phase place adjusts and drives module 150 to include the phasing switch circuit 159 that complex phase adjustment driver 157 and plural number are corresponding with this phase place adjustment driver 157.In the present embodiment, only adjusting drivers 157 with three phase places and three corresponding phasing switch circuit 159 illustrate, other embodiments can the most correspondingly be increased or decreased phase place and adjust the actual demand to ployphase voltages of the quantity of driver 157 and phasing switch circuit 159 supply standard with satisfied different central processing units 20.
Each phase place adjusts driver 157 and includes the pulse-width signal pin PWM of this signal receiving end 151 of a connection, two detecting pin CS-, CS+, one current-sharing pin Lavg, one power pins VCC, one grounding pin GND, one phase pin PHASE, a phase modulation pin PH#, one guides pin BOOT, a low pass pin LGATE and a high pass pin UGATE.Each phase place adjusts driver 157 inside and includes an average current controller and a phase controller.
In present embodiment, in addition to current-sharing pin Lavg, each phase place adjusts other pins of driver 157 and has identical annexation.Hereinafter only describing one of them phase place in detail and adjust the annexation of the corresponding phasing switch circuit 159 of driver 157, other repeats no more.
This two detecting pin CS-, CS+ are respectively connecting to the two ends of this inductance L, flow through the inductive current of inductance L with detecting.The inductive current that this average current controller is sensed according to pin CS-, CS+ end exports a current-sharing signal from current-sharing pin Lavg.In present embodiment, all phase places adjust the current-sharing pin Lavg of driver 157 and interconnect and share current-sharing signal, are all equal to ensure the electric current that this plural number phasing switch circuit 159 exports.
In the present embodiment, this power pins VCC is for connecting a power Vcc.This grounding pin GND is used for ground connection.This phase pin PHASE is connected in series to this voltage output end 155 by this inductance L.This phase modulation pin PH# passes through a phase modulation resistance R ground connection.This phase controller transmits to corresponding phasing switch circuit 159 to adjust the phase place of the second driving voltage from this phase pin PHASE according to the phase place of the size pulse-width signal received capable of automatic changing of this phase modulation resistance R resistance value, the pulse-width signal after adjusted phase place.In the present embodiment, one first electric capacity C1 is connected between this guiding pin BOOT and this phase pin PHASE, to draw high the voltage of this phase pin PHASE.In alternative embodiments, can not also carry out current potential according to the model of concrete driver and draw high, i.e. this first electric capacity C1 can omit.
This phasing switch circuit 159 includes a first transistor Q1, a transistor seconds Q2, an inductance L, one second electric capacity C2.Each transistor Q1 or Q2 includes a control end, the first conduction terminal, the second conduction terminal.
The control end of this first transistor Q1 is connected to this low pass pin LGATE.First conduction terminal of this first transistor Q1 is connected to this phase pin PHASE and second conduction terminal of this transistor seconds Q2.The second conduction terminal ground connection of this first transistor Q1.
The control end of this transistor seconds Q2 is connected to this high pass pin UGATE.First conduction terminal of this transistor seconds Q2 is connected to this driving voltage input 153.This second electric capacity C2 is connected between this voltage output end 155 and ground, and the second driving voltage plays the effect of filtering.In the present embodiment, this first transistor Q1 and this transistor seconds Q2 is field-effect transistor, and control end, the first conduction terminal and second conduction terminal of this first, second transistor Q1, Q2 correspond respectively to the grid of field-effect transistor, source electrode and drain electrode.
In the present embodiment, it is to be realized by the resistance value changing this phase modulation resistance R that this phase place adjustment driver 157 adjusts the function of phase place, in alternative embodiments, also dependent on needing to be designed to realize adjusting by the parameter changing other electronic components by the phase controller within this phase place adjustment driver 157 function of phase place, such as can be realized by the inductance value of the capacitance of change capacity cell or inductance element, be not limited only to aforementioned phase modulation resistance R.
During work, this signal receiving end 151 receives this pulse-width signal, each phase place is adjusted driver 157 and is adjusted the phase place of the pulse-width signal received by the resistance value of respective phase modulation resistance R, with the pulse-width signal after realizing the adjusted phase place that each phase place adjustment driver 157 exports, there is out of phase, i.e. reach the heterogeneous function driving output.Each phase place adjusts driver 157 and exports two driving signals by its low pass pin LGATE and high pass pin UGATE, i.e. low pass drives signal and high pass to drive signal, with Time-sharing control this first transistor Q1 and the cut-off of transistor seconds Q2 and conducting, under this first transistor Q1 cut-off and transistor seconds Q2 turn-on condition, first driving voltage of this driving voltage input 153 input and the pulse-width signal after the adjusted phase place of this phase pin PHASE output are transferred to this voltage output end 155 via inductance L jointly, and as the second driving voltage output.
Different owing to being adjusted the phase place of the driving voltage of driver 157 output by each phase place, therefore this central processing unit 20 can work under heterogeneous driving voltage, meets the requirement of different central processing unit supply standard.
In alternative embodiments, when central processing unit only needs a single-phase voltage, accordingly this phase place adjust drive module only to include a phase place adjusts driver 157 and one of corresponding phasing switch circuit 159, the power supply to central processing unit can be realized.
Compared to prior art, use aforesaid electric power system can realize the central processing unit to different type network equipment such as desktop computer, notebook computer, work station and servers and realize power supply, even if supply standard change also only can adjust, by conversion phase place, the quantity driving the phase place in module to adjust driver and phasing switch circuit adapts to different supply standards.
Although the present invention discloses as above with preferred embodiment; so it is not limited to the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when doing various changes; these changes done according to present invention spirit, within all should being included in protection domain of the presently claimed invention.
Claims (3)
1. an electric power system, for powering for central processing unit；This electric power system includes that a bridging chip, a single-phase PDM keyer and a phase place adjust and drives module；This bridging chip monitors the duty of this single-phase PDM keyer to obtain a feedback signal and by this feedback signal transmission to this central processing unit, and this central processing unit exports a control signal according to self duty and this feedback signal；This bridging chip receives the control signal of this central processing unit output and transmits this control signal to this single-phase PDM keyer；This single-phase PDM keyer exports a pulse-width signal to this phase place according to control signal and adjusts driving module；This phase place adjust drive module under the control of this pulse-width signal by one outside input the first driving voltage be adjusted to second driving voltage with out of phase to drive this central processing unit.
2. electric power system as claimed in claim 1, it is characterised in that: this bridging chip includes four pins, and two of which pin is connected with this central processing unit；This single-phase PDM keyer includes a control signal input, a feedback signal output and a pulse-width signal outfan；This control signal input and feedback signal output are connected with two other pin of this bridging chip respectively；This bridging chip is for monitoring the duty of this single-phase PDM keyer, and obtain this feedback signal from this single-phase PDM keyer feedback signal output, then by this feedback signal by connecting the transmission of one of two pins of central processing unit to this central processing unit；This central processing unit exports a control signal according to self duty and this feedback signal.
3. electric power system as claimed in claim 2, it is characterised in that: this single-phase PDM keyer produces a pulse-width signal according to this control signal, and adjusts driving module from pulse-width signal outfan output to this phase place；This phase place adjusts and drives module to include a signal receiving end, a driving voltage input and a voltage output end；This phase place adjusts and drives module to receive this pulse-width signal by this signal receiving end, and according to this pulse-width signal, this first driving voltage is entered horizontal phasing control, produces one second driving voltage；Then this phase place adjusts and drives module to export this second driving voltage to this central processing unit from this voltage output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110292307.XA CN103034310B (en) | 2011-09-29 | 2011-09-29 | Electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110292307.XA CN103034310B (en) | 2011-09-29 | 2011-09-29 | Electric power system |
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| Publication Number | Publication Date |
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| CN103034310A CN103034310A (en) | 2013-04-10 |
| CN103034310B true CN103034310B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110292307.XA Expired - Fee Related CN103034310B (en) | 2011-09-29 | 2011-09-29 | Electric power system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262175A (en) * | 2007-03-07 | 2008-09-10 | 华邦电子股份有限公司 | Method for pulse bandwidth adjusting circuit and activation pulse bandwidth adjusting circuit |
| CN101783581A (en) * | 2009-01-16 | 2010-07-21 | 鸿富锦精密工业（深圳）有限公司 | Multi-phase drive circuit |
| CN101872228A (en) * | 2009-04-21 | 2010-10-27 | 鸿富锦精密工业（深圳）有限公司 | Power switching circuit |
| CN201773349U (en) * | 2009-10-23 | 2011-03-23 | 鸿富锦精密工业（深圳）有限公司 | Power supply circuit of central processing unit |
| CN102129281A (en) * | 2010-01-20 | 2011-07-20 | 宏碁股份有限公司 | Dynamic regulation circuit and computer system with the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931321B (en) * | 2009-06-23 | 2012-11-21 | 鸿富锦精密工业（深圳）有限公司 | Power conversion circuit |
-
2011
- 2011-09-29 CN CN201110292307.XA patent/CN103034310B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262175A (en) * | 2007-03-07 | 2008-09-10 | 华邦电子股份有限公司 | Method for pulse bandwidth adjusting circuit and activation pulse bandwidth adjusting circuit |
| CN101783581A (en) * | 2009-01-16 | 2010-07-21 | 鸿富锦精密工业（深圳）有限公司 | Multi-phase drive circuit |
| CN101872228A (en) * | 2009-04-21 | 2010-10-27 | 鸿富锦精密工业（深圳）有限公司 | Power switching circuit |
| CN201773349U (en) * | 2009-10-23 | 2011-03-23 | 鸿富锦精密工业（深圳）有限公司 | Power supply circuit of central processing unit |
| CN102129281A (en) * | 2010-01-20 | 2011-07-20 | 宏碁股份有限公司 | Dynamic regulation circuit and computer system with the same |
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| CN103034310A (en) | 2013-04-10 |
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Effective date of registration: 20151022 Address after: 518109 Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant after: SCIENBIZIP CONSULTING (SHEN ZHEN) CO., LTD. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Applicant before: Hon Hai Precision Industry Co., Ltd. |
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Effective date of registration: 20151201 Address after: 201424 Shanghai city Fengxian District Tuo Village barracks Lin Zhen No. 598 building ninth room 111 Applicant after: Shanghai Lirui Network Technology Co., Ltd. Address before: 518109 Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant before: SCIENBIZIP CONSULTING (SHEN ZHEN) CO., LTD. |
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Inventor after: Ma Guangqiang Inventor after: Mu Dekai Inventor after: Wang Wei Inventor after: Shao Zecuan Inventor after: Zhang Xiao Inventor after: Jiang Zhihua Inventor after: Xu Yunlong Inventor before: Dai Fangda Inventor before: Lin Chengxiang Inventor before: Sun Renfan Inventor before: Lin Chengyi |
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Effective date of registration: 20160614 Address after: 276500, 46, Zhenxing East Road, Juxian County, Shandong, Rizhao City Applicant after: Juxian Power Supply Company, State Grid Shandong Electric Power Company Applicant after: State Grid Corporation of China Address before: 201424 Shanghai city Fengxian District Tuo Village barracks Lin Zhen No. 598 building ninth room 111 Applicant before: Shanghai Lirui Network Technology Co., Ltd. |
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