CN101201690A - System for supplying and managing electricity of computer mainboard - Google Patents

System for supplying and managing electricity of computer mainboard Download PDF

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Publication number
CN101201690A
CN101201690A CNA2006101694320A CN200610169432A CN101201690A CN 101201690 A CN101201690 A CN 101201690A CN A2006101694320 A CNA2006101694320 A CN A2006101694320A CN 200610169432 A CN200610169432 A CN 200610169432A CN 101201690 A CN101201690 A CN 101201690A
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China
Prior art keywords
voltage
supplying
digital
circuit unit
system voltage
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Pending
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CNA2006101694320A
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Chinese (zh)
Inventor
周梓铭
黄书宝
潘长荣
杨逸民
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Inventec Corp
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Inventec Corp
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Priority to CNA2006101694320A priority Critical patent/CN101201690A/en
Publication of CN101201690A publication Critical patent/CN101201690A/en
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Abstract

The invention relates to a management system of electricity supply of a computer motherboard, can be used for the integration with the computer motherboard, and is used for providing an energy-saving electricity management function for the motherboard; the system is characterized in that two system voltages, needed by an analogue circuit unit and a digital circuit unit, are differentiated, thus the system voltage of the analogue circuit unit, not in charge of the operation of standby mode, can be shut down when in the standby mode. Therefore, the integral operation of the computer motherboard saves more electricity compared with background technique.

Description

System for supplying and managing electricity of computer mainboard
Technical field
The present invention relates to a kind of computer apparatus electrical management technology, be particularly to a kind of system for supplying and managing electricity of computer mainboard, it can be applicable to be integrated into a computer main board, in order to this computer main board is provided the electric power supply management function of an energy-saving type.
Background technology
Computer main board disposes various different chip apparatus usually, for example comprise central processing unit chip, memory chip, digital signal processing chip, output go into control chip, or the like, and the internal circuit of each chip apparatus may and then comprise that again digital circuit unit and analog circuit unit come processing digital signal and simulating signal respectively.Because this cause, the power supply module on the computer main board need provide the system voltage of a plurality of different values to drive the dissimilar circuit unit of different chips and its inside respectively usually.For instance, present computer main board the system voltage that adopts usually promptly comprise 3.3V, 2.5V and 1.8V.
Fig. 1 promptly shows the framework of the electric power supply system in the existing host circuit board 10.As shown in the figure, a power supply unit 20, an electric pressure converter 30 and a chip apparatus 40 (annotate: be simplicity of illustration and explanation, the computer main board framework of Fig. 1 only shows the part relevant with the present invention) be equipped with on this computer main board 10; Wherein this power supply unit 20 for example is an AC transformer, the alternating voltage VAC of an input can be transformed into DC voltage VDC; Electric pressure converter 30 then can and then convert 3 DC voltage: 3.3V, 2.5V and 1.8V to this DC voltage VDC, and these 3 DC voltage 3.3V, 2.5V and 1.8V are exported to chip apparatus 40 drive wherein various different numeral and analog circuit unit, for example comprise CPU (central processing unit), DDRSDRAM (Double Data Rate, Synchronous Dynamic Random Access Memory) memory cell, digital signal processing unit and export control module.In practical application, 2.5V normally is used for driving the memory cell of DDR SDRAM formula, and 3.3V and 1.8V then are used for driving CPU (central processing unit) and other circuit unit.
When practical operation, the operator scheme of computer main board can enter holding state (or being called dormant state) because of the user temporarily controls.Basically, the power consumption that system voltage caused of 2.5V and 1.8V is respectively 65MA and 900MA approximately; But under holding state, its power consumption then only is respectively 0MA and 20MA.In concrete enforcement, the internal circuit of some chip apparatus may comprise digital circuit unit and analog circuit unit simultaneously, and only has digital circuit unit to need the supply of sustaining voltage to allow it can respond outside startup at any time when holding state usually and the chip apparatus of integral body is returned to duty.But, therefore make analog circuit unit when holding state, still can continue to consume unnecessary electric power because present electric power supply mode is used for driving digital circuit unit and analog circuit unit simultaneously for the system voltage with 3.3V and 1.8V.
Summary of the invention
The shortcoming of prior art in view of the above, fundamental purpose of the present invention is to be to provide a kind of system for supplying and managing electricity of computer mainboard, it can provide a power management capabilities of more saving electric energy to chip apparatus.
System for supplying and managing electricity of computer mainboard of the present invention is that design is applied to be integrated into a computer main board, and this computer main board has at least one chip apparatus, and wherein the internal circuit of this chip apparatus comprises at least one digital circuit unit and at least one analog circuit unit, in order to this computer main board is provided the electric power supply management function of an energy-saving type.
In the broadest sense, the entity framework of system for supplying and managing electricity of computer mainboard of the present invention comprises at least: (A) voltage transformation module, its exportable at least one digital drive system voltage and an analog drive system voltage, and this digital drive system voltage has identical magnitude of voltage with this analog drive system voltage; And wherein this digital drive system voltage is in order to drive the digital circuit unit in this chip apparatus, and this analog drive system voltage is then in order to drive the analog circuit unit in this chip apparatus; And (B) holding state voltage switch control module, it can close the analog drive system voltage that this voltage transformation module is exported when this chip apparatus is in holding state.
The characteristics of system for supplying and managing electricity of computer mainboard of the present invention are that the system voltage that analog circuit unit and digital circuit unit is required makes a distinction, the system voltage that needn't be responsible for the analog circuit unit of holding state operation can be closed when making holding state, therefore can more save electric power than prior art.
Description of drawings
Fig. 1 is a configuration diagram, wherein shows the framework of the electric power supply system on the existing computer main board;
Fig. 2 is a configuration diagram, in order to show the basic framework of system for supplying and managing electricity of computer mainboard of the present invention.
The main element symbol description
10 computer main boards
20 power supply units
30 electric pressure converters
40 chip apparatus
41 digital circuit units (2.5V driving)
42 first digital circuit units (3.3V driving)
43 first analog circuit units (3.3V driving)
44 second digital circuit units (1.8V driving)
45 second analog circuit units (1.8V driving)
100 system for supplying and managing electricity of computer mainboard of the present invention
110 voltage transformation modules
120 holding state voltage switch control modules
Embodiment
Below promptly cooperate appended graphicly, disclose the embodiment of explanation system for supplying and managing electricity of computer mainboard of the present invention in detail.
Fig. 2 shows the application mode and the basic framework thereof of system for supplying and managing electricity of computer mainboard of the present invention (part that is comprised as the dotted line square of label 100 indications).As shown in the figure, system for supplying and managing electricity of computer mainboard 100 of the present invention is to be integrated into a computer main board 10 in practical application, a power supply unit 20 and a chip apparatus 40 (annotate: be simplicity of illustration and explanation, the computer main board framework of Fig. 2 only shows the part relevant with the present invention) be equipped with and on this computer main board 10; Wherein this power supply unit 20 for example is an AC transformer, the alternating voltage VAC of an input can be transformed into DC voltage VDC; The internal circuit of this chip apparatus 40 is then sorted out the digital circuit unit 41 that is divided into a 2.5V and drives, first digital circuit unit 42 that a 3.3V drives, first analog circuit unit 43 that a 3.3V drives, second digital circuit unit 44 that a 1.8V drives and second analog circuit unit 45 of 1.8V driving according to its different driving voltage value and type (i.e. numeral and simulation).In concrete enforcement, the internal circuit of this chip apparatus 40 is divided according to its function and is then for example comprised CPU (central processing unit), DDR SDRAM (Double Data Rate, Synchronous Dynamic Random Access Memory) memory cell, digital signal processing unit and I/O control module.
As shown in Figure 2, the modularization basic framework of system for supplying and managing electricity of computer mainboard 100 of the present invention comprises at least: (A) voltage transformation module 110; And (B) holding state voltage switch control module 120.The individual attribute and the function of these members below promptly are described at first respectively.
Voltage transformation module 110 special designs are used for converting the DC voltage VDC that this power supply unit 20 is exported at least one digital drive system voltage and an analog drive system voltage.In application example shown in Figure 1, these voltage transformation module 110 designs are used for exporting the system voltage of at least 5 different values, comprise the digital display circuit voltage of a 2.5V, the digital display circuit voltage of a 3.3V, the simulation system voltage of a 3.3V, the digital display circuit voltage of a 1.8V and the simulation system voltage of a 1.8V; Wherein the system voltage of this 2.5V is used for the digital circuit unit 41 (it for example is DDR SDRAM memory cell) in the chip for driving device 40; 3.3V digital display circuit voltage be to be used for first digital circuit unit 42 in the chip for driving device 40; 3.3V simulation system voltage be to be used for first analog circuit unit 43 in the chip for driving device 40; 1.8V digital display circuit voltage be used for second digital circuit unit 44 in the chip for driving device 40; The simulation system voltage of 1.8V then is to be used for second analog circuit unit 45 in the chip for driving device 40.
Holding state voltage switch control module 120 can optionally be closed the affiliated system voltage of some unnecessary circuit unit in this chip apparatus 40 when above-mentioned chip apparatus 40 is in holding state.In application example shown in Figure 1, this holding state voltage switch control module 120 can for example be closed 2.5V digital display circuit voltage, the simulation system voltage of 3.3V and the simulation system voltage of 1.8V that above-mentioned voltage transformation module 120 is exported with responding when chip apparatus 40 is in holding state.
Below promptly utilize an application example that the integrated operation mode of system for supplying and managing electricity of computer mainboard 100 of the present invention when practical application is described.
When the power supply of computer main board 10 is activated, voltage transformation module 110 is the system voltage of exportable 5 different values, comprises the system voltage of a 2.5V, the digital display circuit voltage of a 3.3V, the simulation system voltage of a 3.3V, the digital display circuit voltage of a 1.8V and the simulation system voltage of a 1.8V; Wherein the system voltage of this 2.5V is used for the digital circuit unit 41 in the chip for driving device 40; 3.3V digital display circuit voltage be used for first digital circuit unit 42 in the chip for driving device 40; 3.3V simulation system voltage be used for first analog circuit unit 43 in the chip for driving device 40; 1.8V digital display circuit voltage be used for second digital circuit unit 44 in the chip for driving device 40; The simulation system voltage of 1.8V then is used for second analog circuit unit 45 in the chip for driving device 40.
When computer main board 10 is in holding state, it can make holding state voltage switch control module 120 close 2.5V digital display circuit voltage, the simulation system voltage of 3.3V and the simulation system voltage of 1.8V that above-mentioned voltage transformation module 120 is exported with responding ground, and only export the digital display circuit voltage of 3.3V and the digital display circuit voltage of 1.8V, only make the supply of first digital circuit unit 42 and second digital circuit unit, 44 sustaining voltages therefrom and keep the operation of its holding state.
Than background technology, because the present invention can make a distinction by the system voltage that analog circuit unit and digital circuit unit is required, the system voltage that needn't be responsible for the analog circuit unit of holding state operation can be closed when making holding state, therefore can more save electric power than prior art.
Generally speaking, the invention provides a kind of system for supplying and managing electricity of computer mainboard, it can be applicable to be integrated into a computer main board, in order to this computer main board is provided the power management capabilities of an energy-saving type; And its characteristics are that the system voltage that analog circuit unit and digital circuit unit is required makes a distinction, the system voltage that needn't be responsible for the analog circuit unit of holding state operation can be closed when making holding state, therefore can more save electric power than prior art.These characteristics can make the integrated operation of computer main board more save electric power than prior art.Therefore the present invention has better progressive and practicality than prior art.
The above is preferred embodiment of the present invention only, is not in order to limit the scope of essence technology contents of the present invention.Essence technology contents of the present invention is broadly to be defined in the following claim.Be identical or be a kind of change of equivalence if any technology entity that other people are finished or method are defined with following claim, all will be regarded as being covered by in the scope of claim of the present invention.

Claims (8)

1. system for supplying and managing electricity of computer mainboard, it can be integrated into a computer main board, and this computer main board has at least one chip apparatus, and wherein the internal circuit of this chip apparatus comprises at least one digital circuit unit and at least one analog circuit unit, in order to this computer main board is provided the electric power supply management function of an energy-saving type;
This system for supplying and managing electricity of computer mainboard comprises at least:
One voltage transformation module, its exportable at least one digital drive system voltage and an analog drive system voltage, and this digital drive system voltage has identical magnitude of voltage with this analog drive system voltage; And wherein this digital drive system voltage is in order to drive the digital circuit unit in this chip apparatus, and this analog drive system voltage is then in order to drive the analog circuit unit in this chip apparatus; And
One holding state voltage switch control module, it can close the analog drive system voltage that this voltage transformation module is exported when this chip apparatus is in holding state.
2. system for supplying and managing electricity of computer mainboard according to claim 1, wherein the internal circuit of this chip apparatus comprises a DDR SDRAM memory cell.
3. system for supplying and managing electricity of computer mainboard according to claim 1, wherein the internal circuit of this chip apparatus comprises a CPU (central processing unit).
4. system for supplying and managing electricity of computer mainboard according to claim 1, wherein the magnitude of voltage of this digital drive system voltage and this analog drive system voltage is 3.3V.
5. system for supplying and managing electricity of computer mainboard according to claim 1, wherein the magnitude of voltage of this digital drive system voltage and this analog drive system voltage is 1.8V.
6. system for supplying and managing electricity of computer mainboard, it can be integrated into a computer main board, and this computer main board has at least one chip apparatus, and wherein the internal circuit of this chip apparatus comprises at least one digital circuit unit and at least one analog circuit unit, in order to this computer main board is provided the electric power supply management function of an energy-saving type;
This system for supplying and managing electricity of computer mainboard comprises at least:
One voltage transformation module, the system voltage of its exportable a plurality of different values comprises the digital display circuit voltage of a 2.5V, the digital display circuit voltage of a 3.3V, the simulation system voltage of a 3.3V, the digital display circuit voltage of a 1.8V and the simulation system voltage of a 1.8V; And
One holding state voltage switch control module, it can optionally close 2.5V digital display circuit voltage, the simulation system voltage of 3.3V and the simulation system voltage of 1.8V that this voltage transformation module is exported when this computer main board is in holding state.
7. system for supplying and managing electricity of computer mainboard according to claim 6, wherein the internal circuit of this chip apparatus comprises a DDR SDRAM memory cell.
8. system for supplying and managing electricity of computer mainboard according to claim 6, wherein the internal circuit of this chip apparatus comprises a CPU (central processing unit).
CNA2006101694320A 2006-12-14 2006-12-14 System for supplying and managing electricity of computer mainboard Pending CN101201690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2006101694320A CN101201690A (en) 2006-12-14 2006-12-14 System for supplying and managing electricity of computer mainboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2006101694320A CN101201690A (en) 2006-12-14 2006-12-14 System for supplying and managing electricity of computer mainboard

Publications (1)

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CN101201690A true CN101201690A (en) 2008-06-18

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102063177A (en) * 2009-11-14 2011-05-18 佛山市顺德区汉达精密电子科技有限公司 Power management device and host computer
CN102237037A (en) * 2010-05-07 2011-11-09 普诚科技股份有限公司 Module and method for controlling electrophoretic display integrated circuit
CN101859172B (en) * 2009-04-07 2012-02-08 上海摩波彼克半导体有限公司 Integrated circuit SoC chip circuit structure capable of realizing power reduction and method thereof
CN107844186A (en) * 2016-09-18 2018-03-27 鸿富锦精密工业(武汉)有限公司 Electric supply system
CN111045506A (en) * 2019-12-30 2020-04-21 联想(北京)有限公司 Control method and electronic equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101859172B (en) * 2009-04-07 2012-02-08 上海摩波彼克半导体有限公司 Integrated circuit SoC chip circuit structure capable of realizing power reduction and method thereof
CN102063177A (en) * 2009-11-14 2011-05-18 佛山市顺德区汉达精密电子科技有限公司 Power management device and host computer
CN102063177B (en) * 2009-11-14 2013-01-30 佛山市顺德区汉达精密电子科技有限公司 Power management device and host computer
CN102237037A (en) * 2010-05-07 2011-11-09 普诚科技股份有限公司 Module and method for controlling electrophoretic display integrated circuit
CN102237037B (en) * 2010-05-07 2013-06-19 普诚科技股份有限公司 Module and method for controlling electrophoretic display integrated circuit
CN107844186A (en) * 2016-09-18 2018-03-27 鸿富锦精密工业(武汉)有限公司 Electric supply system
CN107844186B (en) * 2016-09-18 2019-12-06 鸿富锦精密工业(武汉)有限公司 Power supply system
CN111045506A (en) * 2019-12-30 2020-04-21 联想(北京)有限公司 Control method and electronic equipment
CN111045506B (en) * 2019-12-30 2021-07-16 联想(北京)有限公司 Control method and electronic equipment

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Open date: 20080618