A control method of a multiphase power supply and an electronic device

Abstract

Embodiments of the present application provide a control method of a multi-phase power supply and an electronic device. The method comprises: acquiring an electrical signal on a load of the multi-phase power supply in real time; determining a level of the load at a next time according to the electrical signal; determining a target phase power supply to be operated at the next time from the multi-phase power supply according to the level of the load; generating a control signal at the next time according to the target phase power supply; and using the control signal to control the target phase power supply to operate and output a corresponding power signal to the load.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to the technical field of multiphase power supply, and relate to but are not limited to a control method of a multiphase power supply and an electronic device. BACKGROUND

[0002] In related multiphase power supply technology, when the load of a multiphase power supply is light or slightly heavy, simply using a single-phase power supply or a multiphase power supply to work at the same time can both result in reduced efficiency of the power supply or heat dissipation problems. SUMMARY

[0003] Embodiments of the present application aim to provide a control method of a multiphase power supply and an electronic device.

[0004] In a first aspect, embodiments of the present application provide a control method of a multiphase power supply, the method comprising:

[0005] obtaining an electrical signal on a load of the multiphase power supply in real time at a current time;

[0006] determining a level of the load at a next time according to the electrical signal;

[0007] determining a target phase power supply to be worked at the next time from the multiphase power supply according to the level of the load;

[0008] generating a control signal at the next time according to the target phase power supply; the control signal is used to control the target phase power supply to work to output a corresponding power signal to the load.

[0009] In a second aspect, embodiments of the present application provide a charging control method of a battery, comprising:

[0010] a controller obtains charging information of the battery in real time at a current time, and delivers the charging information of the battery to a power protocol chip;

[0011] the power protocol chip generates a control instruction based on the charging information, and delivers the control instruction to an adapter; the control instruction is used to control the adapter to generate a charging signal corresponding to the charging information;

[0012] the adapter generates the charging signal in response to the control instruction, and provides the charging signal to the battery to charge the battery.

[0013] In a third aspect, embodiments of the present application provide an electronic device, comprising: a power controller and a multiphase power supply;

[0014] the multiphase power supply is used to output a corresponding power signal to a load of the multiphase power supply;

[0015] A power supply controller for implementing the steps in the control method of any of the multi-phase power supplies described above.

[0016] In a fourth aspect, an electronic device is provided, comprising: a controller, a power protocol chip, and an adapter.

[0017] The controller is configured to acquire charging information of the battery in real time and transmit the charging information of the battery to the power protocol chip.

[0018] The power protocol chip is configured to generate a control instruction based on the charging information and transmit the control instruction to the adapter, and the control instruction is configured to control the adapter to generate a charging signal corresponding to the charging information.

[0019] The configuration device is configured to generate the charging signal in response to the control instruction and provide the charging signal to the battery to charge the battery.

[0020] In the embodiments of the present application, the level of the load at the next moment is determined by the electrical signal on the load of the multi-phase power supply at the current moment, the target phase power supply to be operated at the next moment is determined according to the level of the load, and then the control signal at the next moment is generated based on the target phase power supply. Since the generated control signal is determined according to the target phase power supply, and the target phase power supply is determined according to the level of the load at the current moment, i.e., for different levels of the load, the control signal that is beneficial to the efficiency improvement or solves the heat dissipation problem of the multi-phase power supply for the level of the load is set, so that the efficiency of the multi-phase power supply is improved or the heat dissipation problem is solved.

[0021] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, but not limiting the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the present application and, together with the specification, serve to explain the technical solutions of the present application.

[0023] Figure 1a A schematic diagram of a control circuit for a single-phase power supply in the related art;

[0024] Figure 1b A schematic diagram of a system composition structure for charging a battery with a charging current generated by a narrow voltage direct current (NVDC) charger in the related art;

[0025] Figure 1c A schematic diagram of output efficiency in a light load condition without optimization of a multi-phase power supply in the related art;

[0026] Figure 2 An implementation flowchart of a control method of a multiphase power supply provided by an embodiment of the present application is shown in the figure;

[0027] Figure 3 An implementation flowchart of another control method of a multiphase power supply provided by an embodiment of the present application is shown in the figure;

[0028] Figure 4 An implementation flowchart of still another control method of a multiphase power supply provided by an embodiment of the present application is shown in the figure;

[0029] Figure 5 An implementation flowchart of yet another control method of a multiphase power supply provided by an embodiment of the present application is shown in the figure;

[0030] Figure 6 An implementation flowchart of still another control method of a multiphase power supply provided by an embodiment of the present application is shown in the figure;

[0031] Figure 7 An implementation flowchart of yet another control method of a multiphase power supply provided by an embodiment of the present application is shown in the figure;

[0032] Figure 8 An implementation flowchart of still another control method of a multiphase power supply provided by an embodiment of the present application is shown in the figure;

[0033] Figure 9 An implementation flowchart of yet another control method of a multiphase power supply provided by an embodiment of the present application is shown in the figure;

[0034] Figure 10 An implementation flowchart of a control method of a battery provided by an embodiment of the present application is shown in the figure;

[0035] Figure 11 A system control block diagram of a multiphase power supply including at least two phase power supplies with different circuit parameters provided by an embodiment of the present application is shown in the figure;

[0036] Figure 12 A system control block diagram of a multiphase power supply based on a dynamic phase shift (DSP) technology provided by an embodiment of the present application is shown in the figure;

[0037] Figure 13 A control block diagram of a battery charging control system provided by an embodiment of the present application is shown in the figure;

[0038] Figure 14 An output efficiency diagram of a multiphase power supply under light load conditions for optimization provided by an embodiment of the present application is shown in the figure;

[0039] Figure 15A component structure diagram of a control device of a multiphase power supply provided in an embodiment of the present application is shown in the figure.

[0040] Figure 16 A structure diagram of an electronic device provided in an embodiment of the present application is shown in the figure. DETAILED DESCRIPTION

[0041] The present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the embodiments provided herein are only used to explain the present application and not intended to limit the present application. In addition, the embodiments provided below are used to implement some embodiments of the present application, and the technical solutions described in the embodiments of the present application can be combined in any manner without conflict, and the technical solutions are implemented.

[0042] It should be noted that in the embodiments of the present application, the terms “comprise”, “contain” or any other variants thereof are intended to cover non-exclusive inclusion, so that the method or device comprising a series of elements not only includes the elements explicitly described, but also includes other elements not explicitly listed, or includes elements inherent in the implementation of the method or device. Without more limitation, the element defined by the sentence “comprises a......” does not exclude the presence of other related elements (for example, steps in the method or units in the device, for example, the unit can be a part of the circuit, a part of the processor, a part of the program or software, etc.) in the method or device comprising the element.

[0043] The term “and / or” herein is only a description of the association relationship between the associated objects, which means that there can be three relationships, for example, U and / or W can mean that U exists alone, U and W exist together, and W exists alone. In addition, the term “at least one” herein means any one of the plurality or any combination of at least two of the plurality, for example, including at least one of U, W and V can mean including any one or more elements selected from the set consisting of U, W and V.

[0044] In the system, the load of the conventional multiphase power supply is generally in two working modes under the condition of light load or micro-heavy load (for example, the current of the central processing unit (CPU) is less than 20 amperes):

[0045] 1. Fixed single-phase power supply works;

[0046] 2. Multiphase power supply works simultaneously.

[0047] For the fixed single-phase power supply work in the working mode 1, it is easy to cause the temperature of the components on the single-phase power supply to be too high, resulting in the surface temperature of the notebook computer installed with the multi-phase power supply exceeding the standard, while the temperature of the components of the remaining several-phase power supplies is almost not increased and is very low. For the multi-phase simultaneous work in the working mode 2, although the heat dissipation problem can be solved, the power supply efficiency is poor, which affects the service life of the notebook computer battery.

[0048] Figure 1a For the control circuit of the single-phase power supply in the related art, as shown in FIG. 1, a multi-phase power supply 101 includes MOS / DRMOS1 1011, MOS / DRMOS2 1012, …, and MOS / DRMOSN 101N; a pulse width modulation (PWM) generator 102 and PWM1 1031, PWM2 1032, …, and PWMN 103N generated by the PWM generator 102 and an output voltage Vout 104 of the multi-phase power supply 101; Figure 1a

[0049] The first input end of the PWM generator 102 is connected with the Vout 104, and the PWM generator 102 is used for detecting and receiving the feedback voltage signal of the Vout 104; the second input end of the PWM generator 102 is respectively connected with the common nodes of the MOS / DRMOS1 1011, the MOS / DRMOS2 1012, …, and the MOS / DRMOSN 101N and the Vout 104, and the PWM generator 102 is used for receiving the feedback current from the MOS / DRMOS1 1011, the MOS / DRMOS2 1012, …, and the MOS / DRMOSN 101N; the output end of the PWM generator 102 is respectively connected with the PWM1 1031, the PWM2 1032, …, and the PWMN 103N; the PWM1 1031, the PWM2 1032, …, and the PWMN 103N are respectively connected with the control input ends of the MOS / DRMOS1 1011, the MOS / DRMOS2 1012, …, and the MOS / DRMOSN 101N; and the output ends of the MOS / DRMOS1 1011, the MOS / DRMOS2 1012, …, and the MOS / DRMOSN 101N are connected with the Vout 104.

[0050] As can be seen, in the case of light load or micro heavy load, for the fixed power supply working mode, the MOS / DRMOS1 1011 corresponding to the fixed first-phase power supply can work; for the multi-phase simultaneous working mode, the MOS / DRMOS1 1011, the MOS / DRMOS2 1012, …, and the MOS / DRMOSN 101N can work simultaneously.​

[0051] Furthermore, traditional multiphase power supplies have identical designs for each phase, and are generally optimized for high current. Therefore, this can have a certain impact on light-load efficiency. However, since many office scenarios using multiphase power supplies, such as laptops, are in light-load mode, optimizing light-load mode and improving light-load efficiency is imperative.

[0052] Figure 1b A schematic diagram of the system structure for charging a battery using a narrow voltage direct current (NVDC) charger is shown in the relevant technology, such as... Figure 1b As shown, the system includes: a battery 105, a controller 106, a power protocol chip 107, an adapter 108, a switch 109, and an NVDC charger 110. The input terminal of the controller 106 is connected to the information acquisition terminal of the battery 105, and the output terminal of the controller 106 is connected to the input terminal of the power protocol chip 107 and the control input terminal of the NVDC charger 110. The controller 106 acquires the charging information of the battery 105 in real time and transmits this information to the power protocol chip 107. The output terminal of the power protocol chip 107 is connected to the control input terminals of the adapter 108 and the switch 109. Based on the charging information, a control command is generated and transmitted to the adapter 108 and the switch 109. The output terminal of the adapter 108 is connected to the input terminal of the switch 109. The output terminal of the switch 109 is connected to the NVDC charger 110. The output terminal of the NVDC charger 110 is connected to the battery 105. The adapter 108 generates a power signal of a specific amplitude (greater than the charging voltage) and transmits it to the NVDC charger 110 through the switch 109. The NVDC charger 110 performs power transformation on the input power signal of the specific amplitude to obtain a charging voltage signal. The charging voltage signal output by the NVDC charger 110 charges the battery 105.

[0053] As can be seen, by stepping down the voltage signal output by the adapter 108 through the NVDC charger 110, a large loss will occur on the NVDC charger 110 when charging the battery, and the motherboard will experience charging heat.

[0054] Figure 1c This is a schematic diagram illustrating the output efficiency under light load conditions in related technologies where multiphase power supplies have not been optimized. Figure 1cAs shown, curve 111 is an efficiency curve of the multi-phase power supply with respect to the current on the load; it can be seen that when the current on the load is less than 1 ampere, the output efficiency of the multi-phase power supply is as low as 30% and as high as 80%, and when the current on the load is greater than 1 ampere, the efficiency is stabilized at about 85%.

[0055] Based on the above technical problems, the embodiment of the present application provides a control method of a multi-phase power supply, such as Figure 2 As shown, the method comprises:

[0056] Step S201: acquiring an electrical signal on the load of the multi-phase power supply in real time;

[0057] Here, the multi-phase power supply can be a three-phase power supply, a six-phase power supply, a twelve-phase power supply, or the like. The load can be a CPU with a large core or a small core, and in an example, the large core (or hot core) of the CPU corresponds to a heavy load condition of the load, and the small core (cold core) of the CPU corresponds to a light load condition.

[0058] In a possible implementation, there are at least two phase power supplies with different circuit parameters in the multi-phase power supply. For example, the multi-phase power supply comprises a first phase power supply to an Nth phase power supply, wherein the circuit parameters of the first phase power supply are different from the circuit parameters of the second phase power supply to the Nth phase power supply. The circuit parameters of the first phase power supply can be more suitable for a case where the load of the multi-phase power supply is at a first load level, and the circuit parameters of the second phase power supply to the Nth phase power supply can be more suitable for a case where the load of the multi-phase power supply is at a second load level. The first load level can represent a light load, and the second load level can represent a heavy load. The circuit parameters can at least include parasitic parameters Rg, Rdson of MOS tubes, parameters of inductors, and PWM frequency (working frequency of the phase power supply).

[0059] In another possible implementation, the circuit parameters of each phase power supply in the multi-phase power supply are completely the same.

[0060] It can be understood that the electrical signal on the load of the multi-phase power supply can include a voltage signal on the load of the multi-phase power supply and a current signal on the load of the multi-phase power supply. The current signal on the load of the multi-phase power supply can be a superposition of the current signals on the load of each phase power supply of the multi-phase power supply.

[0061] Step S202: determining a level of the load at a next time according to the electrical signal;

[0062] Here, the level of the load can at least include a first load level and a second load level.

[0063] In a possible implementation, the levels of the load include first to fourth load levels, where the first load level represents light load of the CPU (current on the CPU is less than 10 amperes), the second load level represents micro-heavy load of the CPU (current on the CPU is greater than or equal to 10 amperes and less than 20 amperes), the third load level represents heavy load of the CPU (current on the CPU is greater than or equal to 20 amperes and less than 25 amperes), and the fourth load level represents super-heavy load of the CPU (current on the CPU is greater than or equal to 25 amperes).

[0064] In some embodiments, determining the level of the load at the next moment according to the electrical signal can be determining the level of the load at the next moment according to the current signal on the load of the multi-phase power supply and a preset set of current threshold values.

[0065] Here, the preset set of current threshold values includes at least an initial current threshold range when the multi-phase power supply is in an initial state, first threshold values corresponding to different levels of the load, and a preset first current signal threshold value.

[0066] Step S203: determining a target phase power supply to be operated at the next moment from the multi-phase power supply according to the level of the load;

[0067] It can be understood that a correspondence between the level of the load and the phase power supply to be operated can be preset. The correspondence between the level of the load and the target phase power supply to be operated can be seen from Table 1 below.

[0068] Level of load Phase supply to be operated 1 1st phase supply 2 2nd to 5th phase supply 3 2nd to 5th phase supply 4 2nd to 12th phase supply

[0069] As can be seen from Table 1, different levels of the load can correspond to the same phase power supply to be operated, or different phase power supplies to be operated, which needs to be determined according to application scenarios and hardware circuits of the phase power supply.

[0070] In a possible implementation, determining the target phase power supply to be operated at the next moment from the multi-phase power supply according to the level of the load can be querying the correspondence between the level of the load and the phase power supply to be operated according to the level of the load at the next moment to obtain the target phase power supply to be operated at the next moment.

[0071] Step S204: generating a control signal at the next moment according to the target phase power supply; the control signal is used to control the target phase power supply to operate to output a corresponding power signal to the load.

[0072] It can be understood that the target phase power supply and the control signal are one-to-one corresponding. For example, in the case that the target phase power supply includes the first phase power supply, the control signal includes the PWM1 control signal for controlling the first phase power supply to work; in the case that the target phase power supply includes the second to Nth phase power supply, the control signal includes the PWM1 to PWMN control signal for controlling the second to Nth phase power supply to work.

[0073] In practical applications, steps S201 to S204 can be implemented by using a PWM generator in a controller of the multi-phase power supply. The PWM generator can include at least one of an application specific integrated circuit (ASIC), a digital signal processor (DSP), a digital signal processing device (DSPD), a programmable logic device (PLD), a field programmable gate array (FPGA), a central processing unit (CPU), a controller, a microcontroller, and a microprocessor.

[0074] Figure 3 Another implementation flowchart of the multi-phase power supply control method provided by the embodiment of the present application is shown in FIG. 3, which includes the following steps. Figure 3

[0075] Step S301: Real-time acquisition of an electrical signal on a load of the multi-phase power supply at the current time;

[0076] Step S302: Acquisition of a first current signal threshold;

[0077] It can be understood that, in order to solve the efficiency and heat dissipation problems of the multi-phase power supply, the following two cases are divided: case 1, the case that the circuit parameters of the multi-phase power supply are the same; and case 2, the case that the multi-phase power supply includes at least two phase power supplies with different circuit parameters.

[0078] In some possible implementations, the acquisition of the first current signal threshold can be the acquisition of a pre-set first current signal threshold in case 1 or case 2.

[0079] Step S303: Determination of the level of the load at the next time based on the first current signal threshold and the current signal;

[0080] ​In one embodiment, the level of the load at the next time point can be determined based on the first current signal threshold and the current signal. For example, the current signal at the current time point on the multi-phase power supply load can be compared with the first current signal threshold to obtain a comparison result, and the level of the load at the next time point can be determined according to the comparison result.

[0081] Step S304: determining a target phase power supply to be operated at the next time point from the multi-phase power supply according to the level of the load.

[0082] Step S305: generating a control signal at the next time point according to the target phase power supply; the control signal is used to control the target phase power supply to operate to output a corresponding power signal to the load.

[0083] In the embodiments of the present application, the level of the load at the next time point is determined based on the obtained first current signal threshold and the current signal on the multi-phase power supply load, so that the dynamic change of the load can be obtained in real time, and the level of the load that conforms to the actual situation can be obtained.

[0084] Figure 4 Another implementation flowchart of the control method of the multi-phase power supply provided by the embodiments of the present application is shown in FIG. 4, which includes the following steps. Figure 4

[0085] Step S401: obtaining the current signal on the load of the multi-phase power supply at the current time point in real time.

[0086] Step S402: determining the first threshold corresponding to the level of the load of the multi-phase power supply at the current time point as the first current signal threshold.

[0087] It can be understood that in the case where the multi-phase power supply includes at least two phase power supplies with different circuit parameters, the multi-phase power supply can be divided into at least two types of phase power supplies corresponding to at least two types of current parameters. For example, for a multi-phase power supply including a first type of phase power supply and a second type of phase power supply, the first phase power supply can be the first type of phase power supply; the second phase power supply to the Nth phase power supply can be the second type of phase power supply.

[0088] In some embodiments, different load levels can correspond to at least one type of phase power supply operation, for example, the first load level corresponds to the operation of the first type of phase power supply; the second load level corresponds to the operation of the second type of phase power supply; and the third load level corresponds to the operation of the second type and the third type of phase power supply. Wherein, in the case where the multi-phase power supply includes the first to sixth phase power supplies, the first type of phase power supply can be the first phase power supply; the second type of phase power supply can be the second phase power supply and the third phase power supply; and the third type of phase power supply can be the fourth to sixth phase power supplies.

[0089] ​It can be understood that different load levels of different multi-phase power sources correspond to different current thresholds. For example, the first load level corresponds to a current threshold of threshold A; the second load level corresponds to a current threshold of threshold B; the third load level corresponds to a current threshold of threshold C; and so on. Wherein, threshold C is greater than or equal to threshold B; threshold B is greater than or equal to threshold A.

[0090] In some possible embodiments, determining the first threshold corresponding to the load level of the multi-phase power source at the current time as the first current signal threshold can be: first acquiring the load level of the multi-phase power source at the current time, determining the first threshold corresponding to the load level of the multi-phase power source at the current time, and determining the corresponding first threshold as the first current signal threshold.

[0091] Step S403: determining the load level at the next time based on the first current signal threshold and the current signal.

[0092] Step S404: determining the target phase power source to be operated at the next time from the multi-phase power source according to the load level.

[0093] Step S405: generating a control signal at the next time according to the target phase power source; the control signal is used to control the target phase power source to operate to output a corresponding power signal to the load.

[0094] In the embodiments of the present application, the first threshold corresponding to the load level of the multi-phase power source at the current time is determined as the first current signal threshold, the load level at the next time is determined through the first current signal threshold and the current signal on the load of the multi-phase power source at the current time, and thus, while the dynamic change of the load is acquired in real time, the load level at the next time can be determined according to the first threshold corresponding to the load level at the current time acquired in real time, and the determined load level at the next time is more in line with the actual situation.

[0095] Figure 5 Another implementation flowchart of the multi-phase power source control method provided by the embodiments of the present application is shown in FIG. 5, which includes the following steps. Figure 5

[0096] Step S501: acquiring the current signal on the load of the multi-phase power source at the current time in real time.

[0097] Step S502: determining that the initial current threshold range of the multi-phase power source in the initial operating state is the first current signal threshold.

[0098] ​It can be understood that, in the multi-phase power supply including at least two phase power supplies with different circuit parameters, and the multi-phase power supply is in the initial working state, it is necessary to determine the phase power supply to be worked at the next time according to the current signal on the load, so that the type of phase power supply corresponding to the load level or the phase power supply working in the multi-phase power supply.

[0099] Here, the initial current threshold range is the current threshold range of each phase power supply of the multi-phase power supply in the initial state when all the phase power supplies are working, which is set in advance when the multi-phase power supply includes at least two phase power supplies with different circuit parameters. For example, for the case that the level of the load includes three levels, and the current threshold range is 5 amperes to 10 amperes (including 5 amperes and 10 amperes), the current range less than 5 amperes can be determined as the first level of the load, the load in the current threshold range (5 amperes to 10 amperes) is determined as the second level of the load; and the load greater than 10 amperes is determined as the third level of the load.

[0100] Step S503: determining the level of the load at the next time based on the first current signal threshold and the current signal;

[0101] Step S504: determining the target phase power supply to be worked at the next time from the multi-phase power supply according to the level of the load;

[0102] Step S505: generating a control signal at the next time according to the target phase power supply; the control signal is used to control the target phase power supply to work to output a corresponding power signal to the load.

[0103] In the embodiment of the application, the initial current threshold range of the multi-phase power supply in the initial working state is the first current signal threshold, and the level of the load at the next time is determined by the first current signal threshold and the current signal on the load of the multi-phase power supply at the current time. In this way, the dynamic change of the load in the initial state is obtained, and the level of the load at the next time is determined according to the first threshold corresponding to the initial state, so that the determined level of the load at the next time is more in line with the actual situation.

[0104] Figure 6 Another implementation flowchart of the control method of the multi-phase power supply provided by the embodiment of the application is shown in FIG. 6. Figure 6 The flowchart includes:

[0105] Step S601: acquiring the current signal on the load of the multi-phase power supply at the current time in real time;

[0106] Step S602: acquiring a preset first current signal threshold;

[0107] It can be understood that, in the case of the same circuit parameters of the multi-phase power supply, the preset first current signal threshold can be directly set according to the load current. For example, the first current signal threshold can include 10A and 15A;

[0108] Step S603: determining the level of the load at the next time based on the first current signal threshold and the current signal;

[0109] Step S604: determining the target phase power supply to be operated at the next time from the multi-phase power supply according to the level of the load;

[0110] Step S605: generating a control signal at the next time according to the target phase power supply; the control signal is used to control the target phase power supply to operate to output a corresponding power signal to the load.

[0111] In the embodiment of the application, the level of the load at the next time is determined through the preset first current signal threshold and the current signal on the load of the multi-phase power supply at the current time, so that the level of the load at the next time can be determined according to the preset first current signal threshold, and the determined level of the load at the next time is more in line with the actual situation.

[0112] Figure 7 The implementation flowchart of another multi-phase power supply control method provided by the embodiment of the application is shown in FIG. 6, which includes the following steps: Figure 7

[0113] Step S701: acquiring the current signal on the load of the multi-phase power supply at the current time in real time; the multi-phase power supply includes at least two phase power supplies with different circuit parameters;

[0114] Step S702: determining the level of the load at the next time according to the current signal;

[0115] Step S703: acquiring the corresponding relationship between the level of the load and the circuit parameters established in advance;

[0116] It can be understood that, there is a one-to-one corresponding relationship between the level of the load and the circuit parameters, as shown in Table 2 below.

[0117] Level of load Circuit parameters 1st level of load 1st circuit parameters 2nd level of load 2nd circuit parameters 3rd level of load 2nd circuit parameters

[0118] In Table 2, the first circuit parameter is applicable to the case where the load is at the first load level; the second circuit parameter is applicable to the case where the load is at the second load level and the third load level.

[0119] ​In one example, the current on the load of the first load level is less than 10 amperes; the current on the load of the second load level is greater than or equal to 10 amperes and less than or equal to 15 amperes; the current on the load of the third load level is greater than 15 amperes. In this way, the first circuit parameter is applicable to the case where the current on the load is less than 10 amperes; the second parameter is applicable to the case where the load is greater than or equal to 10 amperes.

[0120] Step S704: determining, from the correspondence, the phase power supply of the target circuit parameter corresponding to the level of the load as the target phase power supply to be operated at the next moment;

[0121] In some possible implementations, determining, from the correspondence, the phase power supply of the target circuit parameter corresponding to the level of the load as the target phase power supply to be operated at the next moment can be based on querying the correspondence according to the level of the load at the next moment, determining the target circuit parameter corresponding to the level of the load at the next moment, and determining the phase power supply of the target circuit parameter as the target phase power supply to be operated at the next moment.

[0122] Step S705: generating a control signal at the next moment according to the target phase power supply; the control signal is used to control the target phase power supply to operate to output a corresponding power signal to the load.

[0123] In the embodiments of the present application, the phase power supply of the target circuit parameter corresponding to the level of the load is determined from the correspondence between the level of the load and the circuit parameter, as the target phase power supply to be operated at the next moment. Since the target phase power supply to be operated at the next moment is determined to correspond to the target circuit parameter corresponding to the level of the load, the target phase power supply to be operated at the next moment is more matched with the current load condition and more conforms to the actual situation.

[0124] Figure 8 Another implementation flowchart of the control method of the multi-phase power supply provided in the embodiments of the present application is shown in FIG. 8, which includes the following steps. Figure 8

[0125] Step S801: acquiring an electric signal on the load of the multi-phase power supply at the current moment in real time;

[0126] Step S802: determining the level of the load at the next moment according to the electric signal;

[0127] Step S803: determining the number of phase power supplies in the multi-phase power supply to be operated at the same time according to the level of the load;

[0128] ​In some possible implementation manners, the higher the level of the load is, the greater the current on the load is. For example, the current on the load of the first load level is less than 10 amperes; the current on the load of the second load level is greater than or equal to 10 amperes and less than or equal to 15 amperes; and the current on the load of the third load level is greater than 15 amperes.

[0129] In one example, the level of the load is in a corresponding relationship with the number of simultaneously working phase power supplies in the multi-phase power supply. Table 3 is shown as follows.

[0130] Level of load Number of phase supplies in the multi-phase supply to be operated simultaneously 1st level of load 1 2nd level of load 2 3rd level of load 3

[0131] Step S804: Obtain a corresponding relationship between the number of simultaneously working phase power supplies and the sequence of cyclically turning on the phase power supplies.

[0132] In some possible implementation manners, for 6-phase power supply working including the first to sixth phase power supplies, the corresponding relationship between the number of the phase power supplies and the sequence of cyclically turning on the phase power supplies is shown in Table 4.

[0133]

[0134]

[0135] In Table 4, the i, j phase indicates that the i phase and the j phase are simultaneously turned on; and the m, n, o phase indicates that the m phase, the n phase and the o phase are simultaneously turned on.

[0136] Step S805: Determine a target phase power supply to be worked at a next moment according to the corresponding relationship and the number of simultaneously working phase power supplies in the multi-phase power supply.

[0137] In some possible implementation manners, the target phase power supply to be worked at the next moment is determined according to the corresponding relationship and the number of simultaneously working phase power supplies in the multi-phase power supply. The target phase power supply to be worked at the next moment can be determined by searching, in the corresponding relationship between the number of simultaneously working phase power supplies and the sequence of cyclically turning on the phase power supplies, the sequence of cyclically turning on the phase power supplies corresponding to the number of simultaneously working phase power supplies, and determining the target phase power supply to be worked at the next moment according to the determined corresponding sequence of cyclically turning on the phase power supplies.

[0138] Step S806: Generate a control signal at the next moment according to the target phase power supply. The control signal is used to control the target phase power supply to work, so as to output a corresponding power signal to the load.

[0139] In the embodiments of the present application, the number of phase power sources simultaneously working in the multi-phase power source is determined according to the level of the load, and the target phase power source to be worked at the next moment is determined according to the correspondence between the number of working phase power sources and the sequence of cyclically turning on the phase power sources and the number of simultaneously working phase power sources. Since the target phase power source to be worked at the next moment is determined according to the number of simultaneously working phase power sources in the multi-phase power source and the correspondence between the number of working phase power sources and the sequence of cyclically turning on the phase power sources, and the number of simultaneously working phase power sources is determined according to the level of the load, the target phase power source to be worked at the next moment corresponds to the current level of the load, which not only reduces the power consumption of the multi-phase power source, but also improves the efficiency and meets the actual demand.

[0140] Figure 9 Another implementation flowchart of the control method of the multi-phase power source provided in the embodiments of the present application is shown in FIG. 6, which includes the following steps: Figure 9

[0141] Step S901: Real-time acquisition of an electrical signal on the load of the multi-phase power source at the current moment;

[0142] Step S902: Determination of the level of the load at the next moment according to the electrical signal;

[0143] Step S903: Determination of the number of simultaneously working phase power sources in the multi-phase power source according to the level of the load;

[0144] Step S904: Acquisition of the correspondence between the number of working phase power sources and the sequence of cyclically turning on the phase power sources;

[0145] Step S905: Determination of the target sequence of cyclically turning on the phase power sources based on the correspondence and the number of simultaneously working phase power sources in the multi-phase power source;

[0146] In some possible implementations, the determination of the target sequence of cyclically turning on the phase power sources based on the correspondence and the number of simultaneously working phase power sources can be searching for the sequence of cyclically turning on the phase power sources corresponding to the number of simultaneously working phase power sources in the correspondence, and determining the corresponding sequence of cyclically turning on the phase power sources as the target sequence of cyclically turning on the phase power sources.

[0147] Step S906: Acquisition of the number of pulses included in the control signal at the current moment and the phase power source in the working state at the current moment;

[0148] It can be understood that in the case that the working frequency of each phase power source of the multi-phase power source is fixed, the number of pulses included in the control signal at the current moment is related to the working duration of the corresponding phase power source controlled by the control signal at the current moment.

[0149] ​Step S907: determining a target phase power supply to be operated at a next time from the target sequence based on the pulse number, a preset pulse number threshold, and a phase power supply in an operating state at the current time.

[0150] In some possible implementation manners, the determining of the target phase power supply to be operated at the next time from the target sequence based on the pulse number, the preset pulse number threshold, and the phase power supply in the operating state at the current time can include: comparing the pulse number with the preset pulse number threshold, and determining a next state of the phase power supply in the operating state at the current time in the target sequence as the target phase power supply to be operated at the next time when the pulse number is greater than or equal to the preset pulse number threshold. Here, the next state of the phase power supply in the operating state at the current time is related to the number of simultaneously operating phase power supplies and / or the target sequence of the phase power supply cyclically turned on. For example, when the number of simultaneously operating phase power supplies in the multi-phase power supply or the target sequence of the phase power supply cyclically turned on is 1st, 2nd phase-3rd, 4th phase-5th, 6th phase, 1st, 2nd phase, and the phase power supply in the operating state at the current time is the 3rd, 4th phase, the 5th, 6th phase power supply is the target phase power supply to be operated at the next time.

[0151] Step S908: generating a control signal at the next time according to the target phase power supply; the control signal is used to control the target phase power supply to operate to output a corresponding power signal to the load.

[0152] In the embodiments of the present application, the target sequence of the phase power supply cyclically turned on is determined according to the corresponding relationship and the number of simultaneously operating phase power supplies, and the target phase power supply to be operated at the next time is determined from the target sequence based on the pulse number included in the current time control signal, the preset pulse number threshold, and the phase power supply in the operating state at the current time. Since the target phase power supply to be operated at the next time is determined according to the pulse number included in the current time control signal, the preset pulse number threshold, and the phase power supply in the operating state at the current time, the target phase power supply to be operated at the next time is turned on according to the target sequence of the phase power supply cyclically turned on, which not only reduces the power consumption of the multi-phase power supply, but also improves the efficiency, and meets the actual demand.

[0153] Figure 10 An implementation flowchart of a battery charging control method provided in the embodiments of the present application is shown in FIG. 1, which includes the following steps. Figure 10

[0154] Step 1001: a controller acquires charging information of the battery at a current time in real time, and transmits the charging information of the battery to a power protocol chip.

[0155] ​It can be understood that the controller can be an Embed Controller (EC); the power protocol chip can be a Power Delivery (PD); and the battery can be a kind of storage battery, and the battery can be a lithium battery.

[0156] Here, the charging information of the battery can include charging current information of the battery and charging voltage information of the battery.

[0157] Step 1002: the power protocol chip generates a control instruction based on the charging information, and delivers the control instruction to the adapter; the control instruction is used to control the adapter to generate a charging signal corresponding to the charging information;

[0158] Here, the adapter can be a Programmable Power Supply (PPS) adapter.

[0159] In some possible implementation manners, the control instruction is used to control the adapter to generate a point signal corresponding to the charging voltage and the charging current of the charging signal.

[0160] Step 1003: the configuration device generates the charging signal in response to the control instruction, and provides the charging signal to the battery to charge the battery.

[0161] In the embodiment of the application, the power protocol chip enables the controller to communicate with the adapter, so that the output of the adapter is adjusted to the charging voltage, so that the DC charger on the mainboard does not need to be converted, and there will be no charging loss on the mainboard, and the charging heat dissipation problem can be solved.

[0162] Figure 11 A system control block diagram of a multi-phase power supply including at least two phase power supplies with different circuit parameters is provided in the embodiment of the application, as shown in Figure 11 The system includes a PWM generator 1101, a current feedback module 1102, a multi-phase power supply 1103 composed of MOS / DRMOS1, MOS / DRMOS2, …, and MOS / DRMOSN, and a voltage output Vout 1104.

[0163] The first input end of the PWM generator 1101 is connected with the Vout 1104, and the PWM generator 1101 is used for detecting and receiving a feedback voltage signal of the Vout 1104; the second input end of the PWM generator 1101 is connected with the output end of the current feedback module 1102; the input ends of the current feedback module 1102 are respectively connected with MOS / DRMOS1 (the first phase power supply), MOS / DRMOS2 (the second phase power supply), …, and MOS / DRMOSN (the Nth phase power supply) in the multi-phase power supply 1103; the output end of the PWM generator 1101 is respectively connected with MOS / DRMOS1, MOS / DRMOS2, …, and MOS / DRMOSN in the multi-phase power supply 1103, and the output ends of MOS / DRMOS1, MOS / DRMOS2, …, and MOS / DRMOSN in the multi-phase power supply 1103 are respectively connected with the Vout 1104. The circuit parameters of MOS / DRMOS1 in the multi-phase power supply 1103 are more suitable for the case that the load of the multi-phase power supply is light load; the circuit parameters of MOS / DRMOS2, …, and MOS / DRMOSN in the multi-phase power supply 1103 are more suitable for the case that the load of the multi-phase power supply is heavy load.

[0164] The PWM generator 1101 receives the feedback current from the current feedback module 1102 and the feedback voltage from the Vout 1104, selects the working phase power supply in the multi-phase power supply based on the feedback voltage and the feedback current, and performs the switching of the phase power supply, that is, generates the PWM control signals (PWM1, PWM2, …, and PWMN) corresponding to the working phase power supply, and transmits the generated PWM control signals to the corresponding phase power supply (MOS / DRMOS1, MOS / DRMOS2, …, and MOS / DRMOSN) in the multi-phase power supply 1103; the corresponding phase power supply MOS / DRMOS1, MOS / DRMOS2, …, and MOS / DRMOSN in the multi-phase power supply 1103 responds to the corresponding PWM control signal and works or stops working.

[0165] In the embodiment of the application, the designs of different phase power supplies are different, similar to the CPU large core, when the load is light, the small core power supply (the first phase power supply) that pays more attention to the light load optimization is used, so that the light load efficiency can be improved. When the load is heavy, the Imon output by the current feedback module 1102 is directly transmitted to the PWM generator 1101, and through comparison, the other power supply (the second to Nth phase power supply) that pays more attention to the heavy load is switched to, so that the heavy load efficiency can be improved.

[0166] Figure 12 A system control block diagram of a multi-phase power supply based on a dynamic phase shift (DSP) technology is provided for the embodiment of the application, as shown in Figure 12As shown, the system comprises: a multiphase power supply 1201, a PWM generator 1202, a PWM signal 1203 comprising PWM1 1203', PWM2 1203'', and PWMN 1203''', a pulse counter 1204, and an output voltage Vout 1205; the multiphase power supply 1201 comprises MOS / DRMOS1 (1st phase power supply), MOS / DRMOS2 (2nd phase power supply), …, MOS / DRMOSN (Nth phase power supply);

[0167] The first input end of the PWM generator 1202 is connected to Vout 1205; the second input end of the PWM generator 1202 is connected to the common nodes of MOS / DRMOS1, MOS / DRMOS2, …, and MOS / DRMOSN and Vout 1205, respectively; the third input end of the PWM generator 1202 is the output end of the pulse counter 1204; the output end of the PWM generator 1202 is connected to PWM1 1203', PWM2 1203'', and PWMN 1203''', respectively; the outputs of PWM1 1203', PWM2 1203'', and PWMN 1203''' are connected to MOS / DRMOS1, MOS / DRMOS2, …, and MOS / DRMOSN, respectively; the outputs of MOS / DRMOS1, MOS / DRMOS2, …, and MOS / DRMOSN are connected to Vout 1205; and the input end of the pulse counter 1204 is connected to the PWM signal 1203.

[0168] The embodiment of the present application proposes a multiphase power supply technology of DPS technology, which is mainly used to solve the problems of excessive temperature of the multiphase power supply caused by the fixed single-phase power supply working when the multiphase power supply is in light load and micro load, and the problem of poor efficiency of the multiphase power supply and the problem of affecting the battery life when the multiphase power supply works simultaneously.

[0169] In the embodiment of the present application, when the multiphase power supply 1201 works in single-phase power supply (for example, 1st phase power supply), the PWM generator 1202 will send PWM1 signal to make MOS / DRMOS1 (1st phase power supply) work. At this time, the pulse counter 1204 will calculate the pulses of PWM1 and feed back to the PWM generator 1202, when the number of feedback pulses is greater than N (a value determined according to design), the PWM generator 1202 combines the circuit signal and voltage signal on the feedback load, and then outputs PWM2 1203'' and turns off PWM1 1203', and similarly, PWM3 … to PWMN 1203''' are turned on and off in turn, and finally the cycle starts from PWM1 1203'.

[0170] The use of DPS technology can make the components (including switching tubes and current and voltage peak suppression devices) on each phase power supply share the power consumption previously borne by single phase, so that the temperature of each phase component is greatly reduced.

[0171] Figure 13 A control block diagram of a battery charging control system provided in an embodiment of this application is shown below. Figure 13 As shown, the system includes: battery 1301, EC 1302, PD 1303, PPS adapter 1304, and back-to-back metal-oxide-semiconductor field-effect transistor (B2B MOS) 1305. The input terminal of EC 1302 is connected to the information acquisition terminal of battery 1301, and the output terminal of EC 1302 is connected to the input terminal of PD 1303. The output terminal of PD 1303 is connected to the control input terminals of PPS adapter 1304 and B2B MOS 1305, respectively. The output terminal of PPS adapter 1304 is connected to the power input terminal of B2B MOS 1305, and the power output terminal of B2B MOS 1305 is connected to the charging power input terminal of battery 1301.

[0172] Specifically, EC 1302 acquires the charging voltage and charging current of battery 1301 in real time and transmits them to PD 1303; PD 1303 generates a first control signal and a second control signal based on the charging voltage and charging current, and transmits the first control signal to PPS adapter 1304 and the second control signal to B2BMOS 1305; the first control signal is used to control the output voltage and output current of PPS adapter 1304; the second control signal is used to control the on and off of B2B MOS 1305; PPS adapter 1304 responds to the first control signal by outputting a charging power signal with a specific voltage and current; B2B MOS 1305 responds to the second control signal by transmitting the charging power signal with a specific voltage and current to battery 1301 or by turning off the charging power signal with a specific voltage and current.

[0173] As can be seen, by communicating with EC 1302, PD 1303, and PPS adapter 1304, the output of the PPS adapter is directly adjusted to the battery charging voltage. In this way, there is no need to set up a DC charger on the motherboard, the motherboard will not have charging loss, and the charging heat problem is completely solved.

[0174] Figure 14 This is a schematic diagram illustrating the output efficiency of a multiphase power supply under light load conditions, provided as an embodiment of this application. Figure 14As shown, the curve 1401 is an efficiency curve of the multi-phase power supply with the current on the load; it can be seen that when the current on the load is less than 1 ampere, the output efficiency of the multi-phase power supply is minimum 65% and maximum 88%, the efficiency is relatively high as a whole, and when the current on the load is greater than 1 ampere, the efficiency is stable at about 90%.

[0175] Based on the foregoing embodiments, the embodiments of the present application provide a control device of a multi-phase power supply, which comprises units and modules included in the units, and can be realized by a processor in an electronic device; of course, it can also be realized by a specific logic circuit; in the implementation process, the processor can be a central processing unit (CPU), a microprocessor unit (MPU), a digital signal processor (DSP) or a field programmable gate array (FPGA) and the like.

[0176] Figure 15 A component structure diagram of a control device of a multi-phase power supply provided by the embodiments of the present application is shown in Figure 15 As shown, the control device 1500 of the multi-phase power supply comprises:

[0177] The acquisition module 1501 is configured to acquire an electrical signal on a load of the multi-phase power supply in real time;

[0178] The first determination module 1502 is configured to determine a level of the load at a next time according to the electrical signal;

[0179] The second determination module 1503 is configured to determine a target phase power supply to be operated at the next time from the multi-phase power supply according to the level of the load;

[0180] The generation module 1504 is configured to generate a control signal at the next time according to the target phase power supply; the control signal is used to control the target phase power supply to operate to output a corresponding power signal to the load.

[0181] In some embodiments, the first determination module 1502 is configured to acquire a first current signal threshold; and determine the level of the load at the next time based on the first current signal threshold and the electrical signal.

[0182] In some embodiments, the first determination module 1502 is configured to perform one of the following: determine that a first threshold corresponding to the level of the load of the multi-phase power supply at the current time is the first current signal threshold; determine that an initial current threshold range of the multi-phase power supply in an initial operating state is the first current signal threshold; and acquire a preset first current signal threshold.

[0183] In some embodiments, the multi-phase power supply includes at least two phase power supplies with different circuit parameters; the second determining module 1503 is configured to acquire a correspondence between the grades of the load and the circuit parameters; and determine, from the correspondence, that the phase power supply corresponding to the target circuit parameter of the grade of the load is the target phase power supply to be operated at the next moment.

[0184] In some embodiments, the second determining module 1503 is configured to determine the number of phase power supplies to be operated simultaneously in the multi-phase power supply according to the grade of the load; acquire a preset correspondence between the number of phase power supplies to be operated and the sequence of the phase power supply cyclically turned on; and determine the target phase power supply to be operated at the next moment according to the correspondence and the number of phase power supplies to be operated simultaneously.

[0185] In some embodiments, the second determining module 1503 is configured to determine the target sequence of the phase power supply cyclically turned on according to the correspondence and the number of phase power supplies to be operated simultaneously; acquire the number of pulses included in the control signal at the current moment and the operating phase power supply in the operating state at the current moment; and determine the target phase power supply to be operated at the next moment from the target sequence based on the number of pulses and a preset pulse number threshold.

[0186] In addition, each functional module in the embodiment can be integrated in one processing unit, or each unit can exist physically independently, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software functional module.

[0187] The integrated unit, if realized in the form of a software functional module and not sold or used as an independent product, can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the embodiment can be embodied in the form of a software product, the computer software product is stored in a storage medium, and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the method described in the embodiment. The foregoing storage medium includes a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various storage media that can store program codes.

[0188] Generally, the computer program instructions corresponding to the control method of the multi-phase power supply in the embodiment can be stored on a storage medium such as an optical disc, a hard disk, a U disk, etc. When the computer program instructions corresponding to the control method of the multi-phase power supply in the storage medium are read by an electronic device or executed, the control method of any of the multi-phase power supply in the foregoing embodiments is implemented.

[0189] Based on the same technical concept as the foregoing embodiments, refer to Figure 16 which shows a structural schematic diagram of an electronic device provided by the embodiment of the present application. The electronic device 1600 can include a memory 1601 and a processor 1602; wherein,

[0190] The memory 1601 is configured to store computer programs and data.

[0191] The processor 1602 is configured to execute the computer programs stored in the memory to implement the control method of any of the multi-phase power supply in the foregoing embodiments.

[0192] In actual applications, the memory 1601 can be a volatile memory (volatile memory) such as RAM, or a non-volatile memory (non-volatile memory) such as ROM, flash memory, hard disk (Hard Disk Drive, HDD) or solid state disk (Solid-State Drive, SSD), or a combination of the above types of memories, and provides instructions and data to the processor 1602.

[0193] The processor 1602 can be at least one of ASIC, DSP, DSPD, PLD, FPGA, CPU, controller, microcontroller, microprocessor. It can be understood that for different augmented reality cloud platforms, the electronic devices used to implement the functions of the processor can also be other electronic devices, and the embodiments of the present application are not limited.

[0194] In some embodiments, the device provided by the embodiment of the present application has functions or includes modules that can be used to execute the methods described in the foregoing method embodiment descriptions, and the implementation can refer to the descriptions of the foregoing method embodiments. For brevity, they will not be repeated here.

[0195] Those skilled in the art can clearly understand the above-mentioned method of the embodiment can be realized by means of software and the necessary general hardware platform, of course, it can also be realized by hardware, but in many cases, the former is a better embodiment. Based on such understanding, the technical solutions of the present application can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes a plurality of instructions for making a terminal (which can be a mobile phone, computer, server, network device, etc.) execute the method described in each embodiment of the present application.

[0196] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above-mentioned embodiments, the above-mentioned embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms without departing from the purpose of the present application and the scope protected by the claims under the inspiration of the present application, which are all within the protection of the present application.

[0197] The methods disclosed in the method embodiments of the present application can be combined arbitrarily without conflict to obtain new method embodiments.

[0198] The features disclosed in the method or phase shifter embodiments of the present application can be combined arbitrarily without conflict to obtain new method embodiments or device embodiments.

Claims

1. A control method of a multiphase power supply, characterized by, The method comprises: real-time acquisition of an electrical signal on a load of the multi-phase power supply at a current time; determination of a level of the load at a next time according to the electrical signal; determination of a target phase power supply to be operated at the next time from the multi-phase power supply according to the level of the load; generation of a control signal at the next time according to the target phase power supply; the control signal is used to control the target phase power supply to operate to output a corresponding power signal to the load; wherein the determination of the target phase power supply to be operated at the next time from the multi-phase power supply according to the level of the load comprises: determination of a number of simultaneously operated phase power supplies in the multi-phase power supply according to the level of the load; acquisition of a corresponding relationship between different numbers of the simultaneously operated phase power supplies and different cyclically turned-on sequences; the cyclically turned-on sequence is a sequence of cyclically turned-on of different phase power supply groups; the phase power supplies in the different phase power supply groups are different; the number of the phase power supplies in the phase power supply group corresponds to the number of the simultaneously operated phase power supplies; determination of a target sequence of cyclically turned-on based on the corresponding relationship and the number of the simultaneously operated phase power supplies in the multi-phase power supply; determination of the target phase power supply to be operated at the next time based on the target sequence.

2. The method of claim 1, wherein, The electrical signal comprises a current signal; the determination of the level of the load at the next time according to the electrical signal comprises: acquisition of a first current signal threshold; determination of the level of the load at the next time based on the first current signal threshold and the current signal.

3. The method of claim 2, wherein, The acquisition of the first current signal threshold comprises one of the following: determination of a first threshold corresponding to the level of the load of the multi-phase power supply at the current time as the first current signal threshold; determination of an initial current threshold range of the multi-phase power supply in an initial operating state as the first current signal threshold; acquisition of a preset first current signal threshold.

4. The method of claim 1, wherein, The multi-phase power supply comprises at least two phase power supplies with different circuit parameters; the determination of the target phase power supply to be operated at the next time from the multi-phase power supply according to the level of the load comprises: acquisition of a corresponding relationship between the level of the load and the circuit parameters established in advance; determination of a phase power supply with a target circuit parameter corresponding to the level of the load from the corresponding relationship as the target phase power supply to be operated at the next time.

5. The method of claim 1, wherein, The determination of the target phase power supply to be operated at the next time based on the target sequence comprises: acquisition of a number of pulses included in the control signal at the current time and phase power supplies in an operating state at the current time; determination of the target phase power supply to be operated at the next time from the target sequence based on the number of pulses, a preset number of pulse threshold and the phase power supplies in the operating state at the current time.

6. A control device for a multiphase power supply, characterized by The device comprises: an acquisition module configured to acquire an electrical signal on a load of the multi-phase power supply at a current time in real time; a first determination module configured to determine a level of the load at a next time according to the electrical signal; a second determination module configured to determine a target phase power supply to be operated at the next time from the multi-phase power supply according to the level of the load; and a generation module configured to generate a control signal at the next time according to the target phase power supply. The generating module is configured to generate a control signal for a next time according to the target phase power supply; the control signal is used to control the target phase power supply to work to output a corresponding power signal to the load; The second determining module is configured to determine the number of simultaneously working phase power supplies in the multi-phase power supply according to the grade of the load; obtain a corresponding relationship between different numbers of simultaneously working phase power supplies and different cyclic conduction sequences; the cyclic conduction sequence is a sequence of cyclic conduction of different phase power supply groups; the phase power supplies in the different phase power supply groups are different; the number of phase power supplies in the phase power supply group corresponds to the number of simultaneously working phase power supplies; determine a target sequence of cyclic conduction based on the corresponding relationship and the number of simultaneously working phase power supplies in the multi-phase power supply; and determine a target phase power supply to be worked at a next time based on the target sequence.

7. An electronic device, comprising: The method comprises the following steps: The power supply controller and the multi-phase power supply; The multi-phase power supply is configured to output a corresponding power signal to a load of the multi-phase power supply; The power supply controller is configured to implement the steps in the control method of the multi-phase power supply according to any one of claims 1 to 5.

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