CN113485501A - Voltage regulation device and voltage regulation method - Google Patents
Voltage regulation device and voltage regulation method Download PDFInfo
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- CN113485501A CN113485501A CN202110718698.0A CN202110718698A CN113485501A CN 113485501 A CN113485501 A CN 113485501A CN 202110718698 A CN202110718698 A CN 202110718698A CN 113485501 A CN113485501 A CN 113485501A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/561—Voltage to current converters
Abstract
The present application relates to a voltage regulation apparatus and method. The voltage regulation device includes: the output end of the controller is respectively connected with the input end of each power module; the controller is used for sending corresponding pulse width modulation signals to each power module; and each power module is used for adjusting the input voltage according to the pulse width modulation signal so as to enable the output voltage of each power module to meet the power supply voltage of the processor. The device just can make power module adjust self input voltage through the pulse width modulation signal that the controller sent, need not again through the conversion of heterogeneous power to reduce the loss of voltage in the conversion process.
Description
Technical Field
The present disclosure relates to the field of electronic technologies, and in particular, to a voltage regulator and a voltage regulating method.
Background
With the improvement of the arithmetic performance of the processor, the arithmetic power of the processor is also increased more and more, which leads to the continuous increase of the power consumption of the processor, and therefore, the power supply requirement for the processor power supply is also increased more and more.
The current processor power supply scheme is to convert an input 48V voltage into a 12V voltage, and then convert the 12V voltage into a current which meets the requirements of 1V voltage used by the processor and has a current peak value close to 300A through power conversion, and supply the current to the processor.
However, in the conventional processor power supply method, the problem of large loss exists in the conversion of the input 48V voltage through a multi-phase power supply.
Disclosure of Invention
In view of the above, it is necessary to provide a voltage regulating apparatus and a voltage regulating method capable of reducing the loss of the 48V voltage during the conversion process.
In a first aspect, a voltage regulation device, the voltage regulation device comprising: the output end of the controller is respectively connected with the input end of each power module; wherein the content of the first and second substances,
the controller is used for sending corresponding pulse width modulation signals to each power module;
and each power module is used for adjusting the input voltage according to the pulse width modulation signal so as to enable the output voltage of each power module to meet the supply voltage of the processor.
In one embodiment, each of the power modules is further configured to send an operating state parameter of each of the power modules to the controller;
the controller is further configured to adjust the pulse width modulation signal according to each of the operating state parameters.
In one embodiment, the operating state parameter includes at least one of a temperature value, an output current value, and an output voltage of the power module.
In one embodiment, the power module includes a temperature sensor for collecting the temperature value and sending the temperature value to the controller.
In one embodiment, the power module includes a current sensor for acquiring the output current value and sending the output current value to the controller.
In one embodiment, the power module includes a voltage acquisition module, and the voltage acquisition module is configured to acquire an output voltage of the power module and send the output voltage of the power module to the controller.
In one embodiment, the voltage regulator further includes a power input module connected to each of the power modules, and the power input module is configured to provide the input voltage to each of the power modules.
In one embodiment, the number of power modules is related to the load of the processor to which the power modules are connected.
In one embodiment, the protocol supported by the controller is adapted to the type of processor.
In a second aspect, a method of voltage regulation, the method comprising:
receiving a pulse width modulation signal sent by a controller;
and adjusting the input voltage of the power module according to the pulse width modulation signal so as to enable the output voltage of the power module to meet the supply voltage of the processor.
In one embodiment, the method further comprises:
acquiring the operating state parameters of the power module; the operating state parameter includes at least one of a temperature value of the power module, an output current value of the power module, and an output voltage of the power module;
and sending the operating state parameter to the controller so that the controller adjusts the pulse width modulation signal according to the operating state parameter.
According to the voltage adjusting device and the voltage adjusting method, the voltage adjusting device comprises the controller and at least one power module, the controller can send corresponding pulse width modulation signals to each power module, and then each power module can adjust input voltage according to the pulse width modulation signals sent by the controller, so that the output voltage of each power module meets the power supply voltage of the processor, the pulse width modulation signals sent by the controller can enable the power module to adjust the input voltage of the power module, conversion of a multi-phase power supply is not needed, and loss of the voltage in the conversion process is reduced.
Drawings
FIG. 1 is a block diagram of a voltage regulation device in one embodiment;
FIG. 2 is a block diagram showing the structure of a voltage regulator in another embodiment;
FIG. 3 is a block diagram showing the structure of a voltage regulator in another embodiment;
FIG. 4 is a block diagram showing the structure of a voltage regulator in another embodiment;
FIG. 5 is a schematic flow chart diagram of a voltage regulation method in one embodiment;
FIG. 6 is a schematic flow chart of a voltage regulation method in another embodiment;
FIG. 7 is a diagram illustrating an internal structure of a computer device according to an embodiment;
description of reference numerals:
a controller: 10; a power module: 20;
a temperature sensor: 201; a current sensor: 202;
the voltage acquisition module: 203; a power input module 30.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, as shown in fig. 1, there is provided a voltage regulating device including: the power supply comprises a controller 10 and at least one power module 20, wherein the output end of the controller 10 is respectively connected with the input end of each power module 20; the controller 10 is configured to send a corresponding pulse width modulation signal to each power module 20; each power module 20 is configured to adjust the input voltage according to the pwm signal, so that the output voltage of each power module satisfies the supply voltage of the processor.
The voltage regulating device is used for outputting a supply voltage meeting the requirements of the processor to the processor. Optionally, the processor may be any one of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a Field Programmable Gate Array (FPGA), and an AI processor.
Specifically, the voltage regulator includes a controller 10 and at least one power module 20, the power modules 20 are connected in parallel, the controller 10 sends a corresponding Pulse Width Modulation (PWM) signal to each power module 20, and each power module 20 receives the PWM signal sent by the controller 10 and then regulates its input voltage according to the received PWM signal, so that the output voltage of each power module 20 satisfies the supply voltage of the processor. Alternatively, each power module 20 may adjust its own input voltage according to the duty cycle in the received pwm signal. Optionally, the range of the supply voltage meeting the requirement of the processor may be 0.8V-2V, and the maximum current value output by the power module may be 600A. Illustratively, taking the voltage regulation apparatus as an example that the voltage regulation apparatus includes four power modules, the output terminal of the controller 10 is connected to the input terminals of the four power modules 20, and the controller 10 sends pulse width modulation signals to the four power modules, that is, the controller 10 sends a first PWM signal to the first power module, sends a second PWM signal to the second power module, sends a third PWM signal to the third power module, and sends a fourth PWM signal to the fourth power module, where the first power module regulates the input voltage thereof according to the first PWM signal, the second power module regulates the input voltage thereof according to the second PWM signal, the third power module regulates the input voltage thereof according to the third PWM signal, and the fourth power module regulates the input voltage thereof according to the fourth PWM signal. Here, the input voltage of each power module is obtained by distributing the voltage of the power supply according to actual requirements.
In the voltage regulating device, the voltage regulating device comprises a controller and at least one power module, the controller can send corresponding pulse width modulation signals to each power module, and then each power module can regulate input voltage according to the pulse width modulation signals sent by the controller, so that the output voltage of each power module meets the power supply voltage of the processor, the pulse width modulation signals sent by the controller can enable the power module to regulate the input voltage of the power module, and the loss of the voltage in the conversion process is reduced without the conversion of a multiphase power supply.
In a scenario where each of the power modules adjusts the input voltage according to the pwm signal sent by the controller, the pwm signal may be a pwm signal adjusted by the controller according to the operating state parameter of the power module, in an embodiment, please refer to fig. 1 again, where each of the power modules 20 is further configured to send the operating state parameter of each of the power modules 20 to the controller 10; the controller 10 is further configured to adjust the pwm signal according to the operating state parameters.
Specifically, each of the power modules 20 sends its own operating state parameter to the controller 10 in the process of adjusting its own input voltage according to the received pwm signal, and the controller 10 is further configured to adjust the pwm signal corresponding to each of the power modules 20 according to the operating state parameter sent by each of the power modules 20. Optionally, the operation state parameter includes at least one of a temperature value, an output current value, and an output voltage of the power module, that is, each power module may send any one of the temperature value, the output current value, and the output voltage of the power module to the controller, and the controller adjusts the pulse width modulation signal according to any one of the temperature value, the output current value, and the output voltage of the power module, or each power module may send the temperature value and the output current value of the power module to the controller, and the controller adjusts the pulse width modulation signal according to the temperature value and the output current value of the power module, or each power module may send the temperature value and the output voltage value of the power module to the controller, and the controller adjusts the pulse width modulation signal according to the temperature value and the output voltage value of the power module, or each power module may send the output current value and the output voltage of the power module to the controller, the controller adjusts the pulse width modulation signal according to the output current value and the output voltage of the power module.
In this embodiment, each power module of the voltage adjusting device sends its own operating state parameter to the controller, and the controller can adjust the sent pulse width modulation signal according to the operating state parameter of each power module, so that the pulse width modulation signal sent by the controller is more accurate, and each power module can adjust its own input voltage more accurately according to the adjusted pulse width modulation signal; furthermore, the operation state parameters sent by each power module to the controller include at least one of a temperature value, an output current value and an output voltage of the power module, so that the controller can adjust the pulse width modulation signal according to at least one of the temperature value, the output current value and the output voltage of the power module, and the adjustment is flexible and changeable, so that the controller has higher flexibility in adjusting the pulse width modulation signal.
In a scenario where the operating state parameter of the power module includes a temperature value of the power module, in an embodiment, as shown in fig. 2, the power module 20 includes a temperature sensor 201, and the temperature sensor 201 is configured to collect the temperature value and send the temperature value to the controller.
Specifically, in the process that the power module 20 adjusts the input voltage of the power module according to the pwm signal sent by the controller, the temperature value of the power module 20 will change, in this embodiment, the power module 20 includes the temperature sensor 201, and the temperature sensor 201 can collect the temperature value of the power module and send the collected temperature value to the controller 10, so that the controller 10 can adjust the sent pwm signal according to the temperature value of the power module. Optionally, the controller 10 may adjust the duty cycle of the pwm signal according to the temperature value of the power module. Alternatively, the temperature sensor 201 may be any one of a thermocouple sensor, a thermistor sensor, a resistance temperature detector, and an IC temperature sensor. It should be noted that, in the present application, the power modules 20 of the voltage regulation device include a plurality of power modules, and each power module collects its own temperature value and sends the collected temperature value to the controller 10.
In this embodiment, the power module of the voltage adjustment device includes a temperature sensor, which can collect a temperature value of the power module and send the collected temperature value to the controller, so that the controller can accurately adjust the pwm signal according to the temperature value of the power module, and the power module can more accurately adjust its output voltage to meet the supply voltage of the processor; in addition, the controller can adjust the sent pulse width modulation signal according to the temperature value of the power module, and the flexibility is high.
In a scenario where the operating state parameter of the power module includes an output current value of the power module, in an embodiment, as shown in fig. 3, the power module 20 includes a current sensor 202, and the current sensor 202 is configured to collect the output current value and send the output current value to the controller 10.
Specifically, after the power module 20 adjusts its input voltage according to the pwm signal sent by the controller, its current value changes, in this embodiment, the power module 20 includes a current sensor 202, and the current sensor 202 may collect an output current value of the power module 20 and send the collected output current value to the controller 10, so that the controller 10 can adjust the sent pwm signal according to the output current value of the power module 20. Optionally, the controller 10 may adjust the duty cycle of the pwm signal according to the output current value of the power module 20. Optionally, the current sensor 202 may be an electromagnetic current transformer, or may also be an electronic current transformer. Optionally, the controller 10 may perform analog-digital sampling conversion on the output current value of the power module, obtain a converted current value through current balancing and current calculation, and adjust the pulse width modulation signal according to the converted current value.
In this embodiment, the power module of the voltage adjustment device includes a current sensor, which is capable of collecting an output current value of the power module and sending the collected output current value to the controller, so that the controller can accurately adjust the pwm signal according to the output current value of the power module, and the power module can more accurately adjust its output voltage to meet the supply voltage of the processor; in addition, the controller can adjust the transmitted pulse width modulation signal according to the output current value of the power module, and the controller has high flexibility.
In a scenario where the operating state parameter of the power module includes the output voltage of the power module, in an embodiment, as shown in fig. 4, the power module 20 includes a voltage collecting module 203, and the voltage collecting module 203 is configured to collect the output voltage of the power module and send the output voltage of the power module to the controller 10.
Specifically, after the power module 20 adjusts its own input voltage according to the pwm signal sent by the controller, the output voltage of the power module will change, in this embodiment, the power module 20 includes a voltage collecting module 203, and the voltage collecting module 203 can collect the output voltage of the power module 20 and send the collected output voltage to the controller 10, so that the controller 10 can adjust the sent pwm signal according to the output voltage of the power module 20. Alternatively, the controller 10 may adjust the duty cycle of the pwm signal according to the output voltage of the power module 20. Optionally, the controller 10 may perform analog-to-digital sampling conversion on the output voltage of the power module 20, and adjust the pwm signal according to the converted voltage.
In this embodiment, the power module of the voltage adjusting device includes a voltage collecting module, which is capable of collecting the output voltage of the power module and sending the collected output voltage to the controller, so that the controller can accurately adjust the pwm signal according to the output voltage of the power module, and the power module can more accurately adjust its output voltage to meet the supply voltage of the processor; in addition, the controller can adjust the transmitted pulse width modulation signal according to the output voltage of the power module, and the controller has high flexibility.
In a scenario where each power module adjusts the input voltage according to the pwm signal sent by the controller, each power module needs to be connected to a power input module to provide the input voltage for the power module, in an embodiment, please refer to fig. 4, the voltage adjusting apparatus further includes a power input module 30 connected to each power module 20, and the power input module 30 is configured to provide the input voltage for each power module 20.
Specifically, the power input module 30 of the voltage regulator is connected to each power module 20, and the power input module 30 supplies an input voltage to each power module 20. Alternatively, the voltage value of the input voltage provided by the power input module 30 to each power module 20 may range from 40V to 60V. Optionally, the voltage regulation apparatus includes a number of power modules related to a load of a processor to which the power modules are connected, for example, 1 to 6 power modules may be provided according to the load of the processor. It can be understood that the number of the power modules can be flexibly adjusted according to the load of the processor, so that different input voltage values can be adjusted to enable the output voltage of each power module to meet the supply voltage of the processor, and the flexibility is high.
In this embodiment, the voltage adjustment device includes a power input module connected to each power module, and is capable of providing input voltage to each power module, so that the input voltage value can be flexibly adjusted according to requirements, and multiple different power management protocols can be supported, thereby enabling the voltage adjustment device to have higher flexibility.
On the basis of the above embodiments, in one embodiment, the protocol supported by the above controller 10 is adapted to the type of processor.
In particular, in different processor designs, there are a number of different types of controllers, and the voltage regulation arrangement in this application comprises a protocol supported by the controller 10 that is adapted to the type of processor to which each power module is connected. Illustratively, the protocol supported for an Intel (Intel) type processor controller may be the SVID protocol, the SVI2 protocol for an AMD type processor controller, and the AvsBus protocol for an IBM Power family processor controller. It should be noted here that the pin definition and the size of the controller 10 are standard pin definitions and sizes, the main pin locations of the controller 10 include a power supply voltage, a power management bus, a wire ground, and a pwm signal, a temperature signal, and a current output signal interconnected with the power module 20, and the controller 10 has functions including, but not limited to, modulation of the pwm signal, detection of a transmitted temperature value and an output current value of the power module, and meanwhile, the controller can also ensure current equalization and voltage feedback adjustment among the power modules.
In this embodiment, the protocol supported by the controller of the voltage regulator is adapted to the type of the processor, so that the protocol supported by the controller can be adjusted according to the type of the processor connected to the power module, and the method has high flexibility and high usability.
In one embodiment, as shown in fig. 5, a voltage regulation method is provided, which is described by taking as an example that the method is applied to a power module of the voltage regulation device, and includes the following steps:
and S501, receiving the pulse width modulation signal sent by the controller.
Specifically, the power module of the voltage regulating device receives the pulse width modulation signal sent by the controller. Optionally, the power module may receive the pwm signal transmitted by the controller through a wireless communication link with the controller. It should be noted that the voltage regulation device includes a plurality of power modules, and this embodiment is only described by taking one of the power modules as an example, and functions of other power modules in the voltage regulation device are similar to those of the power modules described in this embodiment, and this embodiment is not described again here.
S502, the input voltage of the power module is adjusted according to the pulse width modulation signal, so that the output voltage of the power module meets the power supply voltage of the processor.
Specifically, the power module of the voltage regulator regulates its input voltage according to a pwm signal sent by the controller, so that the output voltage of the power module meets the supply voltage of the processor. Optionally, the power module may adjust its input voltage according to a duty cycle in the pwm signal sent by the controller. Optionally, the range of the supply voltage satisfying the processor may be 0.8V to 2V, and the supported maximum current value may be 600A.
According to the voltage regulation method, the power module of the voltage regulation device can receive the pulse width modulation signal sent by the controller, and then the input voltage of the power module can be regulated according to the received pulse width modulation signal, so that the output voltage of the power module meets the power supply voltage of the processor, the power module can regulate the input voltage of the power module through the pulse width modulation signal sent by the controller, and the loss of the voltage in the conversion process is reduced without the conversion of a multi-phase power supply.
In the scenario that the power module receives the pwm signal sent by the controller, the pwm signal received by the power module may be an adjusted pwm signal, and based on the foregoing embodiment, in an embodiment, as shown in fig. 6, the method further includes:
s601, acquiring running state parameters of a power module; the operating state parameter includes at least one of a temperature value of the power module, an output current value of the power module, and an output voltage of the power module.
Specifically, the power module obtains its own operating state parameter, wherein the operating state parameter of the power module includes at least one of a temperature value of the power module, an output current value of the power module, and an output voltage of the power module. Optionally, the power module may obtain a temperature value of itself through a temperature sensor included in itself, obtain an output current value of itself through a current sensor included in itself, and obtain an output voltage of itself through a voltage acquisition module included in itself.
And S602, sending the operating state parameter to the controller so that the controller adjusts the pulse width modulation signal according to the operating state parameter.
Specifically, the power module sends the acquired running state parameter of the power module to a controller of the voltage regulating device, so that the controller regulates the sent pulse width modulation signal according to the running state parameter of the power module. Optionally, the controller adjusts the pulse width modulation signal according to any one of the temperature value, the output current value, and the output voltage of the power module, or the controller may also adjust the pulse width modulation signal according to the temperature value and the output current value of the power module, or the controller may also adjust the pulse width modulation signal according to the temperature value and the output voltage value of the power module, or the controller may also adjust the pulse width modulation signal according to the output current value and the output voltage of the power module.
In this embodiment, the power module sends the operating state parameter of the power module to the controller, so that the controller can adjust the sent pulse width modulation signal according to the operating state parameter of the power module, and thus, the pulse width modulation signal sent by the controller can be more accurate, and the power module can more accurately adjust the input voltage of the power module according to the adjusted pulse width modulation signal; furthermore, the operation state parameters sent by the power module to the controller comprise at least one of a temperature value, an output current value and an output voltage of the power module, so that the controller can adjust the pulse width modulation signal flexibly according to at least one of the temperature value, the output current value and the output voltage of the power module, and the controller has higher flexibility in adjusting the pulse width modulation signal.
It should be understood that although the various steps in the flowcharts of fig. 5-6 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 5-6 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least some of the other steps.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 7. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, an operator network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement a XXX method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 7 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program:
receiving a pulse width modulation signal sent by a controller;
and adjusting the input voltage of the power module according to the pulse width modulation signal so that the output voltage of the power module meets the supply voltage of the processor.
The implementation principle and technical effect of the computer device provided by the above embodiment are similar to those of the above method embodiment, and are not described herein again.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
receiving a pulse width modulation signal sent by a controller;
and adjusting the input voltage of the power module according to the pulse width modulation signal so that the output voltage of the power module meets the supply voltage of the processor.
The implementation principle and technical effect of the computer-readable storage medium provided by the above embodiments are similar to those of the above method embodiments, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A voltage regulation device, characterized in that the voltage regulation device comprises: the output end of the controller is respectively connected with the input end of each power module; wherein the content of the first and second substances,
the controller is used for sending corresponding pulse width modulation signals to each power module;
and each power module is used for adjusting the input voltage according to the pulse width modulation signal so as to enable the output voltage of each power module to meet the supply voltage of the processor.
2. The voltage regulation device of claim 1, wherein each of the power modules is further configured to send an operating state parameter of each of the power modules to the controller;
the controller is further configured to adjust the pulse width modulation signal according to each of the operating state parameters.
3. The voltage regulation device of claim 2, wherein the operating condition parameter comprises at least one of a temperature value, an output current value, and an output voltage of the power module.
4. The voltage regulation device of claim 3, wherein the power module comprises a temperature sensor configured to collect the temperature value and send the temperature value to the controller.
5. The voltage regulation device of claim 3, wherein the power module comprises a current sensor configured to collect the output current value and send the output current value to the controller.
6. The voltage regulation device of claim 3, wherein the power module comprises a voltage acquisition module configured to acquire the output voltage of the power module and send the output voltage of the power module to the controller.
7. The voltage regulation device of claim 1, further comprising a power input module coupled to each of the power modules, the power input module configured to provide the input voltage to each of the power modules.
8. The voltage regulation device of claim 1, wherein the number of power modules is related to a load of a processor to which the power modules are connected.
9. A method of voltage regulation, the method comprising:
receiving a pulse width modulation signal sent by a controller;
and adjusting the input voltage of the power module according to the pulse width modulation signal so as to enable the output voltage of the power module to meet the supply voltage of the processor.
10. The voltage regulation method of claim 9, further comprising:
acquiring the operating state parameters of the power module; the operating state parameter includes at least one of a temperature value of the power module, an output current value of the power module, and an output voltage of the power module;
and sending the operating state parameter to the controller so that the controller adjusts the pulse width modulation signal according to the operating state parameter.
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| CN1166710A (en) * | 1996-05-29 | 1997-12-03 | 摩托罗拉公司 | Battery charger with power dissipation control |
| US20130076312A1 (en) * | 2011-09-23 | 2013-03-28 | Askey Computer Corp. | Charging current control method and charging system |
| CN103248102A (en) * | 2012-02-06 | 2013-08-14 | Lg电子株式会社 | Charge apparatus and electric vehicle including the same |
| CN106537749A (en) * | 2016-05-09 | 2017-03-22 | 广东欧珀移动通信有限公司 | Method and device used for controlling output voltage and adapter |
| CN108969136A (en) * | 2018-07-03 | 2018-12-11 | 舒可士（深圳）科技有限公司 | The output control method and system of tooth flusher |
-
2021
- 2021-06-28 CN CN202110718698.0A patent/CN113485501A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1166710A (en) * | 1996-05-29 | 1997-12-03 | 摩托罗拉公司 | Battery charger with power dissipation control |
| US20130076312A1 (en) * | 2011-09-23 | 2013-03-28 | Askey Computer Corp. | Charging current control method and charging system |
| CN103248102A (en) * | 2012-02-06 | 2013-08-14 | Lg电子株式会社 | Charge apparatus and electric vehicle including the same |
| CN106537749A (en) * | 2016-05-09 | 2017-03-22 | 广东欧珀移动通信有限公司 | Method and device used for controlling output voltage and adapter |
| CN108969136A (en) * | 2018-07-03 | 2018-12-11 | 舒可士（深圳）科技有限公司 | The output control method and system of tooth flusher |
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