CN105573457A - Universal computer power management system - Google Patents
Universal computer power management system Download PDFInfo
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- CN105573457A CN105573457A CN201610114858.XA CN201610114858A CN105573457A CN 105573457 A CN105573457 A CN 105573457A CN 201610114858 A CN201610114858 A CN 201610114858A CN 105573457 A CN105573457 A CN 105573457A
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- power supply
- register
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Sources (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a universal computer power management system which comprises a controller and a power management chip. The power management chip comprises a register block and at least one power module connected with the register block. The power management chip is connected with a power conversion module of a computer so as to receive at least one path of power input. The power output end of the power management chip is connected with all components in the computer so as to supply power to the components. The controller is connected with the signal end of the power management chip through a system management bus and controls the electricity output of the power management chip by operating the register block. The universal computer power management system can be applied to different computer platforms and supplies corresponding power to computer components of each platform, so that the computer power management system does not need to be replaced when the computer platforms are placed, time and labor are saved, the whole area of a mainboard is reduced, and the production cost is effectively reduced.
Description
Technical field
The present invention relates to field of computer technology, particularly a kind of general computer electric power management system.
Background technology
Power-supply management system on the mainboard of current computing machine has varied, power-supply management system generally includes multiple power supply module, these power supply modules design for the computer platform of a certain setting, if computing machine has been changed platform and (has such as been transformed to INTEL platform from AMD, or to change from the platform of notebook computer and do all-in-one platform, or even the critical piece such as the CPU having changed computing machine), this power supply module can not carry out changing for new platform thus cause power-supply management system not use, this just needs again to change corresponding power-supply management system, waste time and energy its cost increase.
Summary of the invention
The object of the present invention is to provide a kind of general computer electric power management system, different computer platforms can be used in, computer equipment for each platform regulates electric power supply, makes computer electric power management system be applicable to multiple new platform, thus makes it have versatility.
In order to solve the problems of the technologies described above, present invention employs following technical scheme: a kind of general computer electric power management system, comprise controller and power management chip, described power management chip comprises Parasites Fauna and is connected at least one power supply module of described Parasites Fauna, described power management chip connects the power transfer module of described computing machine to receive the power supply input of at least one road, the power output end of described power management chip is connected to power to described parts with all parts in described computing machine, described Parasites Fauna comprises multiple registers of each state corresponding to power supply module and parameter, each register comprises the multiple zone bits corresponding respectively to each power supply module, described controller to be connected with the signal end of described power management chip by System Management Bus and to be exported by the electric power operation of described Parasites Fauna being controlled to power management chip.
As preferably, each described power supply module includes an interconnective power supply unit and a register interface, each described register interface is all connected with described Parasites Fauna, described Parasites Fauna is connected to described controller by described System Management Bus and carries out exchanges data with described controller, and described controller is exported by the electric power operation of described Parasites Fauna being controlled to described power supply unit.
As preferably, described controller is also configured to pass described System Management Bus and sends enable signal to described power supply module and obtain feedback information, described enable signal is for driving the work of described power supply module, and described feedback information is for representing that described power supply module works.
As preferably, the output terminal of described power transfer module comprises multiple power supply branch end and a register power source output terminal, and each described power supply branch end is connected with power supply unit described at least one, and described register power source output terminal is connected with described Parasites Fauna.
As preferably; described Parasites Fauna comprises Voltage Cortrol register and overcurrent protection register; described Voltage Cortrol register stores the parameter about the requirement output voltage of described power supply module, and described overcurrent protection register stores the parameter relevant with the over-current protection point of described power supply module.
As preferably, described Parasites Fauna also comprises status register, described status register has the enabler flags position corresponding to described enable signal and the feedback marks position corresponding to described feedback information, and startup and the closedown of corresponding described power supply module are triggered in described enabler flags position.
As preferably, described Parasites Fauna also comprises protection register and frequency adjustment register, and described protection register stores the parameter being used for described power supply module being carried out to voltage and current protection; Described frequency adjustment register stores the parameter of the frequency for regulating described power supply module output power.
As preferably, described power management chip also comprises the temperature detection module of the temperature detecting described power supply module, and Parasites Fauna also comprises the temperature register storing the temperature recorded.
As preferably, described power management chip comprises interconnective signal processing module and energy supply control module, described signal processing module comprises described Parasites Fauna, described signal processing module to be connected with described controller by described System Management Bus and to carry out signal mutual with described controller, and described energy supply control module is configured to control according to the corresponding zone bit data of described register and regulate the electric power that described power supply unit exports.
As preferably, the supply line of described power supply unit is booster circuit or step-down circuit, and described step-down circuit is linear voltage-stabilizing circuit or Buck conversion circuit.
Beneficial effect of the present invention is: can be used in different computer platforms, machine element for each platform provides the electric power supply used mutually with it, thus computer electric power management system need not be changed when changing computer platform, time saving and energy saving, reduce the entire area of mainboard, also effectively reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the general computer electric power management system of the embodiment of the present invention;
Fig. 2 is the structural representation of the general power management chip of the embodiment of the present invention;
Fig. 3 is the structural representation of the general power transfer module of the embodiment of the present invention.
Embodiment
For making those skilled in the art understand the present invention better, with reference to the accompanying drawings embodiments of the invention are described in detail, but not as a limitation of the invention.
A kind of general computer electric power management system of embodiments of the invention, as shown in Figure 1, comprise controller and power management chip (PMIC), power management chip comprises Parasites Fauna and is connected at least one power supply module of Parasites Fauna, the power input of this power management chip connects the power transfer module of computing machine to receive the power supply input of at least one road, the power transfer module of computing machine is used for commercial AC electrical power to be converted to DC electric power, or carries out step-up/down conversion to DC electric power.The power output end of power management chip is connected to provide electric power to all parts with all parts in computing machine.Controller is connected with the signal end of power management chip by System Management Bus (I2C or SMBUS) and the electric power controlling power management chip exports.
Controller completes a series of predetermined every control by predetermined time order, and in programmed control, the command process module of controller can send sequential control instruction one by one according to operational order and feedback information.Such as, when computing machine is notebook computer, controller can be the embedded controller (EC) of notebook computer.
As shown in Figure 3, computing machine (particularly notebook computer) is by adapter or powered battery, adapter or battery are connected to the power transfer module of computing machine, early stage power supply VIN can be formed by the conversion of power transfer module, consuming parts due to computing machine mostly needs the electric power of 3V or 5V as power supply supply, therefore early stage power supply VIN is delivered to 3V/5V power transfer module by early stage power bus, thus be converted to the power supply of 3V or 5V, therefore, 3V power supply, 5V power supply or early stage power supply VIN can be obtained from the output terminal of above-mentioned each power transfer module.Each power supply module in power management chip is edited the Parasites Fauna in power management chip via System Management Bus by controller; control and regulate the voltage, over-current protection point, frequency etc. of output power of this power supply module, be applicable to make the electric power supplied the consuming parts be connected with this module.And Parasites Fauna comprises multiple registers of each state corresponding to power supply module and parameter, each register comprises the multiple zone bits corresponding respectively to each power supply module.
In an embodiment of the invention, as shown in Figure 1, each power supply module includes an interconnective power supply unit and a register interface, each register interface is all connected with Parasites Fauna, Parasites Fauna comprises multiple register with difference in functionality, and controller can control corresponding power supply unit according to the delivering instruction stored in register.Specifically, Parasites Fauna is connected to controller by System Management Bus and carries out exchanges data with controller, and controller is exported by the electric power operation of Parasites Fauna being controlled to each power supply unit, the voltage that such as change electric power exports or frequency of operation etc.
Controller is also configured to pass System Management Bus and sends enable signal obtain feedback information to power supply module, the instruction that this process of transmitting is demand according to each consuming parts of computing machine and sends, and enable signal is used for the work of driving power module.
Specifically, must first will be energized if power supply module will work, this will send trigger pip to this power supply module, when the level of trigger pip meets threshold value requirement, this power supply module can work, and this trigger pip is exactly enable signal (EN).Feedback information is used for representing that power supply module works to controller, under normal circumstances, in the process using power supply module, when the output voltage of this road power supply module reaches a certain value (such as reaching 90% of setting value) time, the data of the zone bit of self will carry out changing (if these data are multiword position (Bit) by the feedback register (read-only register) in the Parasites Fauna of power management chip, then wherein at least one word bit changes between zero and one), the information (being feedback information PG) that controller reads zone bit by System Management Bus just can know that this power supply module normally works, that is feedback information is for representing that power supply module works.
Essentially, the control of controller is edited by the Parasites Fauna that System Management Bus is inner to power management chip (PMIC) and selected, certain power supply module corresponding and the register with an address (such as, address is that the register of 0XD3 and 0XD4 is for opening delay time register, address is the register of 0XDA ~ 0XDE is voltage-regulation register, to be the register of 0XDF and 0XE0 be in address shutdown electric discharge register) zone bit change (if these data are multiword position, then wherein at least one word bit changes between zero and one), then the energy supply control module of power management chip inside will do corresponding actions, produce machine element required voltage, frequency, open delay or excess current set point etc.
The output terminal (not shown) of the power transfer module of computing machine comprises multiple power supply branch end and a register power source output terminal, as shown in Figure 1, each power supply branch end is connected with at least one power supply unit in each power supply module, wherein because different power supply modules may need identical electric power input, therefore different power supply modules also can share same power supply branch end simultaneously; The electric power supply end of register power source output terminal i.e. Parasites Fauna is connected with Parasites Fauna, specifically, because the power supply needed for most register is identical, therefore simple in order to connect up, save material, can using the power supply (i.e. the energization input of register) of register power source output terminal as all registers.Meanwhile, the power supply needed for Parasites Fauna also can be 3V/5V or VIN, and therefore register power source output terminal also can be one of them in each power supply branch end.
Parasites Fauna comprises Voltage Cortrol register and overcurrent protection register; Voltage Cortrol register stores the parameter about the requirement output voltage of power supply module; overcurrent protection register stores the parameter relevant with the current protection point of power supply module, and what therefore Voltage Cortrol register and overcurrent protection register met the machine element of different platform on voltage and overcurrent protection uses electric standard.Specifically; the change of the zone bit in Voltage Cortrol register and overcurrent protection register is (if these data are multiword position; then wherein at least one word bit changes between zero and one, and this change have been directed to different voltage values) can triggering voltage control module (hereinafter having explanation) for different platform machine element carry out electricity consumption adjustment with electric standard.And controller also can be changed the data of the corresponding zone bit in Voltage Cortrol register and overcurrent protection register.Launch, controller first setting voltage adjustment register in predeterminated voltage zone bit (if these data are multiword position (Bit), then wherein at least one word bit changes between zero and one), the change of this predeterminated voltage zone bit can reflect different magnitudes of voltage, the voltage that energy supply control module reflects according to this predeterminated voltage zone bit is powered to machine element, the notification signal of energy supply control module meeting simultaneously processing module (hereinafter can be illustrated) supply voltage now, this supply voltage can be reflected in the virtual voltage zone bit (in actual tag position, at least one word bit changes between zero and one) in Voltage Cortrol register by signal processing module, the above-mentioned change that controller also can read virtual voltage zone bit at any time controls with the order doing other.Principle of work and the Voltage Cortrol register of overcurrent protection register are similar, just repeat no more at this.In addition, it should be noted that controller can adjust register by operating voltage according to the virtual condition of computing machine (as dormancy) in addition, change corresponds to the zone bit data of voltage, thus triggering adjusts (as the utilization voltage of internal memory is adjusted to 1.2V by 1.5V) to reach the object of power saving in real time to the utilization voltage of the parts of computing machine.Parasites Fauna also comprises status register, and status register has corresponding to receiving the enabler flags position of enable signal from controller and corresponding to the feedback marks position of feedback information, and startup and the closedown of corresponding power supply module are triggered in enabler flags position.
In addition, Parasites Fauna also comprises protection register and frequency adjustment register, protection register stores the parameter being used for power supply module being carried out to voltage and current protection, said protection specifically refers to the overvoltage protection to power supply module, low-voltage protection, overcurrent protection etc., similar with the principle of work of Voltage Cortrol register, such as, controller first arrange protection register in protective emblem position (if these data are multiword position, then wherein at least one word bit changes between zero and one) to arrange the corresponding setting value occurred when protecting, when the voltage that detection component detects a certain power supply module higher or lower than the lock value preset time, will trigger protection be closed by energy supply control module (hereinafter can be illustrated) by the circuit of this power supply module, now the zone bit of corresponding superpotential register or under-voltage register inside can change (if these data are multiword position, then wherein at least one word bit changes between zero and one), the information of the reading zone bit of controller just can know that the closedown of this power supply module is that what reason causes (such as overvoltage or under-voltage), show thus can find problem place fast by this technological means, frequency adjustment register stores the parameter of the frequency for regulating power supply module output power, when controller reads regulating frequency after this parameter, can by regulating the inductance value of power supply module outside (when the current value of output is identical, inductance value is less, inductance volume is less) or regulate the working quantity of the electric capacity of power supply module outside to realize, ripple current and the ripple voltage of power supply module output power can be regulated by regulating frequency.
Power management chip also comprises the temperature detection module of the temperature of detecting power supply module, temperature detection module is configured to detect when power supply module reaches setting value and sends early warning signal to machine element, Parasites Fauna comprises temperature register, is provided with preset temperature zone bit and the measuring tempeature zone bit corresponding to the temperature recorded in temperature register.Launch, first controller sets (if these data are multiword position to preset temperature zone bit, then wherein at least one word bit changes between zero and one) to set early warning time temperature setting value, temperature detection module can obtain this desired temperature by mode that is notified or that read.When temperature detection module detects the temperature of one or more power supply module higher than meeting notification signal processing module (hereinafter can be illustrated) during setting value, at least one word bit (Bit) data specific in measuring tempeature zone bit in temperature register can be done respective change by signal processing module has the temperature of power supply module to reach setting value with reflection, simultaneous temperature detecting module can send early warning signal to corresponding machine element, and other at least one word bit (Bit) data in measuring tempeature zone bit except above-mentioned specific word bit also can change the temperature value reacting the power supply module that now temperature detection module is detected, and the above-mentioned change that controller can read in measuring tempeature zone bit at any time controls with the order carrying out other, such as, after when controller, by System Management Bus, the above-mentioned specific word bit read in temperature zone bit changes, controller can indirectly to the down conversion process of computing machine critical piece.Certainly, temperature register also can be multiple, one of them with measuring tempeature with send early warning signal and associate, another one (or multiple) is associated with the setting value of temperature alarming point.
When the circuit of actual (physically) is laid, as shown in Figure 2, power management chip comprises interconnective signal processing module and energy supply control module, signal processing module comprises Parasites Fauna and bus module (not shown), controller can be set accordingly Parasites Fauna by bus module or edit, signal processing module to be connected with controller by System Management Bus (I2C or SMBUS) and to carry out signal mutual with controller, energy supply control module not only comprises power work control logic circuit (such as, the model of TI company is TPS51218, the SY8288 of SILERGY company, the G971 of GMT company) also comprise other circuit and control element, energy supply control module be configured to control according to the corresponding zone bit data of register and the electric power variation regulating power supply unit to export to be applicable to the parts of computing machine, before the effect of wherein Parasites Fauna, by the agency of does not repeat them here, but it is to be noted that Parasites Fauna needs to cooperatively interact with power work control logic circuit just can complete above-mentioned functions, the electric power that other control elements also can realize power supply unit exports changes, such as intermittent power supply etc.
As shown in Figure 2, the supply line of power supply unit is booster circuit or step-down circuit, step-down circuit is linear voltage-stabilizing circuit or Buck conversion circuit, linear voltage-stabilizing circuit is different with Buck conversion circuit characteristic, can do respective change according to the needs of different computer platforms or the demand having more different machine elements.
Above embodiment is only exemplary embodiment of the present invention, and be not used in restriction the present invention, protection scope of the present invention is defined by the claims.Those skilled in the art can in essence of the present invention and protection domain, and make various amendment or equivalent replacement to the present invention, this amendment or equivalent replacement also should be considered as dropping in protection scope of the present invention.
Claims (10)
1. a general computer electric power management system, it is characterized in that, comprise controller and power management chip, described power management chip comprises Parasites Fauna and is connected at least one power supply module of described Parasites Fauna, described power management chip connects the power transfer module of described computing machine to receive the power supply input of at least one road, the power output end of described power management chip is connected to power to described parts with all parts in described computing machine, described Parasites Fauna comprises multiple registers of each state corresponding to power supply module and parameter, each register comprises the multiple zone bits corresponding respectively to each power supply module, described controller to be connected with the signal end of described power management chip by System Management Bus and to be exported by the electric power operation of described Parasites Fauna being controlled to power management chip.
2. general computer electric power management system according to claim 1, it is characterized in that, each described power supply module includes an interconnective power supply unit and a register interface, each described register interface is all connected with described Parasites Fauna, described Parasites Fauna is connected to described controller by described System Management Bus and carries out exchanges data with described controller, and described controller is exported by the electric power operation of described Parasites Fauna being controlled to described power supply unit.
3. general computer electric power management system according to claim 2, it is characterized in that, described controller is also configured to pass described System Management Bus and sends enable signal to described power supply module and obtain feedback information, described enable signal is for driving the work of described power supply module, and described feedback information is for representing that described power supply module works.
4. general computer electric power management system according to claim 2, it is characterized in that, the output terminal of described power transfer module comprises multiple power supply branch end and a register power source output terminal, each described power supply branch end is connected with power supply unit described at least one, and described register power source output terminal is connected with described Parasites Fauna.
5. general computer electric power management system according to claim 2; it is characterized in that; described Parasites Fauna comprises Voltage Cortrol register and overcurrent protection register; described Voltage Cortrol register stores the parameter about the requirement output voltage of described power supply module, and described overcurrent protection register stores the parameter relevant with the over-current protection point of described power supply module.
6. general computer electric power management system according to claim 3, it is characterized in that, described Parasites Fauna also comprises status register, described status register has the enabler flags position corresponding to described enable signal and the feedback marks position corresponding to described feedback information, and startup and the closedown of corresponding described power supply module are triggered in described enabler flags position.
7. general computer electric power management system according to claim 2, it is characterized in that, described Parasites Fauna also comprises protection register and frequency adjustment register, and described protection register stores the parameter being used for described power supply module being carried out to voltage and current protection; Described frequency adjustment register stores the parameter of the frequency for regulating described power supply module output power.
8. general computer electric power management system according to claim 1, it is characterized in that, described power management chip also comprises the temperature detection module of the temperature detecting described power supply module, and Parasites Fauna also comprises the temperature register corresponding to the temperature recorded.
9. general computer electric power management system according to claim 2, it is characterized in that, described power management chip comprises interconnective signal processing module and energy supply control module, described signal processing module comprises described Parasites Fauna, described signal processing module to be connected with described controller by described System Management Bus and to carry out signal mutual with described controller, and described energy supply control module is configured to control according to the corresponding zone bit data of described register and regulate the electric power that described power supply unit exports.
10. general computer electric power management system according to claim 2, is characterized in that, the supply line of described power supply unit is booster circuit or step-down circuit, and described step-down circuit is linear voltage-stabilizing circuit or Buck conversion circuit.
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| CN201610114858.XA CN105573457A (en) | 2016-01-18 | 2016-03-01 | Universal computer power management system |
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| CN201610114858.XA CN105573457A (en) | 2016-01-18 | 2016-03-01 | Universal computer power management system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107291205A (en) * | 2017-07-03 | 2017-10-24 | 陕西理工大学 | A kind of efficient computer electric power management system |
| CN110221229A (en) * | 2019-06-10 | 2019-09-10 | 深圳市风云实业有限公司 | Power-supply management system, power supply system and method for controlling power supply |
| CN110729704A (en) * | 2018-07-17 | 2020-01-24 | 东芝存储器株式会社 | Power supply device, control method of power supply circuit, and storage device |
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| CN110729704A (en) * | 2018-07-17 | 2020-01-24 | 东芝存储器株式会社 | Power supply device, control method of power supply circuit, and storage device |
| CN110221229A (en) * | 2019-06-10 | 2019-09-10 | 深圳市风云实业有限公司 | Power-supply management system, power supply system and method for controlling power supply |
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