TWI659588B - Electronic device, power circuit applied to the electronic device and associated method - Google Patents

Abstract

A power supply circuit applied to an electronic device includes a control circuit and a power supply circuit, wherein the control circuit is coupled to at least one circuit in the electronic device, and generates one according to at least one performance index of the at least one circuit. Supply information, wherein the supply information includes and an optimal voltage signal setting, and the optimal voltage signal setting is generated through a performance coefficient corresponding to each performance indicator in the at least one performance indicator; the power supply circuit is coupled Connected to the control circuit and the at least one circuit, and dynamically providing a voltage signal to the at least one circuit according to the supply information.

Description

Electronic device, power supply circuit applied to the electronic device, and related method

The present invention relates to a power supply circuit, and more particularly to a power supply circuit that dynamically adjusts a supplied voltage signal according to a circuit state.

In general, the power supply circuit used to supply power in an electronic device must supply power to multiple circuits with different functions at the same time. The voltage signal supplied by the traditional power supply circuit is not highly adjustable. Circuits have different performance values. For example, some circuits value low noise and some circuits require maximum load current. Therefore, the voltage signals required by each circuit are not the same. When all circuits receive the same voltage signal at the same time, they cannot be simultaneously Optimize the performance of all circuits. For example, when the voltage signal is supplied to optimize the first circuit among multiple circuits, the performance of the second or third circuit will be affected. There is a need for a power supply circuit that can dynamically supply a voltage signal according to the type and state of the circuit.

An object of the present invention is to provide an electronic device, a power supply circuit applied to the electronic device, and a related method to solve the above problems.

According to an embodiment of the present invention, a power supply circuit applied to an electronic device is disclosed. The power supply circuit includes a control circuit and a power supply circuit. The control circuit is coupled to at least one circuit in the electronic device. The at least one performance indicator of the at least one circuit generates a supply information, wherein the supply information includes an optimal voltage signal setting, and the optimal voltage signal setting is corresponding to each performance indicator of the at least one performance indicator. An efficiency coefficient is generated; the power supply circuit is coupled to the control circuit and the at least one circuit, and dynamically provides a voltage signal to the at least one circuit according to the supply information.

According to an embodiment of the present invention, a method applied to an electronic device is disclosed, including: generating supply information according to at least one performance index of the at least one circuit, wherein the supply information includes an optimal voltage signal setting, and The optimal voltage signal setting is generated through an efficiency coefficient corresponding to each performance index in the at least one performance index; and dynamically providing a voltage signal to the at least one circuit according to the supply information.

According to an embodiment of the present invention, an electronic device is disclosed. The electronic device includes at least one circuit, a control circuit, and a power supply circuit. The control circuit is coupled to at least one circuit in the electronic device. A supply information is generated by at least one performance indicator of a circuit, wherein the supply information includes an optimal voltage signal setting, and the optimal voltage signal setting is a performance corresponding to each performance indicator in the at least one performance indicator. Coefficient generation; the power supply circuit is coupled to the control circuit and the at least one circuit, and dynamically provides a voltage signal to the at least one circuit according to the supply information.

Certain terms are used in the description and the scope of subsequent patent applications to refer to specific elements. It should be understood by those with ordinary knowledge in the art that hardware manufacturers may use different names to refer to the same component. The scope of this specification and subsequent patent applications does not take the difference in names as a way to distinguish components, but rather uses the difference in functions of components as a criterion for distinguishing components. "Inclusion" mentioned throughout the specification and subsequent claims is an open-ended term and should be interpreted as "including but not limited to." In addition, the term "coupled" includes any direct and indirect electrical connection means. Therefore, if the text describes a first device coupled to a second device, it means that the first device can be directly and electrically connected to the second device. The second device is indirectly electrically connected to the second device through other devices or connection means.

FIG. 1 is a schematic diagram of an electronic device 10 according to an embodiment of the present invention. As shown in FIG. 1, the electronic device 10 includes a power circuit 11 and a circuit set 130. The power circuit 11 includes a control circuit 110 and a power supply. The supply circuit 120 and the circuit set 130 are composed of at least one circuit. In this embodiment, the circuit set 130 includes a circuit 130_1, a circuit 130_2, and a circuit 130_n, where n is a positive integer greater than 2. Please note that this The invention does not limit the number of circuits included in the circuit set 130 and the types of circuits therein. For example, the circuit 130_1 may be a radio frequency circuit, and the circuit 130_2 may be an analog circuit, such as an amplifier, etc., the circuit 130_1, the circuit 130_2, the circuit The most important performance indicators of 130_n are different. They are performance indicators PI1, PI2, and PIn. For example, PI1-PIn can be power loss, noise, or maximum load current. This is not a limitation of the present invention.

Referring to FIG. 1 again, when the control circuit 110 is coupled to the circuit set 130, the control circuit 110 can actively detect or passively receive the circuits in the circuit set 130 (such as circuit 130_1, circuit 130_2, circuit 130_n). ) 'S performance index PI1-PIn and provide a supply information Info to the power supply circuit 120 so that the power supply circuit 120 can dynamically provide a voltage signal Vsig according to the supply information Info, wherein the supply information Info includes information of an optimal voltage signal setting Vs_opt It can be a register setting, a control signal or a simple switching control. The transmission method of the optimal voltage signal and the information it contains can be designed differently according to different embodiments. The invention is not limited to this. For example, when the optimal voltage signal setting Vs_opt is used to provide the voltage signal Vsig, the performance index PI1 (for example, power loss) that is most valued by the circuit 130_1 can be effectively optimized. Similarly, when different When the optimal voltage signal Vs_opt is set to provide the voltage signal Vsig, the performance index PI2 (for example, noise) that is most valued by the circuit 130_2 can be effectively optimized. It should be noted that, in this embodiment, the voltage signal setting may include the duty cycle, frequency, phase, amplitude, voltage strength, or voltage supply mode of the voltage signal Vsig. The voltage supply mode may include a pulse width modulation mode. (Pulse Width Modulation, PWM) or Pulse Frequency Modulation (PFM), etc., but this is not a limitation of the present invention. It is only necessary to pay attention to the original meaning of the voltage signal Vsig, which is the performance index of the circuit 130_1-130_n. optimize. When the circuits 130_1-130_n operate at the same time, the control circuit 130 determines the optimal power supply setting value Vs_opt according to the required performance index (PI1 ~ PIn) and the given performance weight (Co1 ~ Con). In detail, when only circuit 130_1 in the circuit set 130 operates, the control circuit 110 receives or detects the performance indicator PI1 and obtains the corresponding optimal voltage signal setting Vs_opt. At this time, there is only one performance indicator that needs attention. The control circuit 110 sets the performance coefficient Co1 corresponding to the performance index PI1 to 1, and transmits the supply information Info including the optimal voltage signal setting Vs_opt to the power supply circuit 120. The power supply circuit 120 uses the notification of the supply information info to use the notification The optimal voltage signal setting Vs_opt sets the voltage signal Vsig and transmits it to the circuit 130_1, so that the circuit 130 can be operated under the condition that the performance index PI1 is optimal; and when circuits 130_1 and 130_2 in the circuit set 130 are operating, control The circuit 110 receives or detects the performance indicators PI1 and PI2. The control circuit 110 can set the performance coefficients Co1 and Co2 respectively according to the designer's consideration or actual application conditions. For example, the performance coefficient Co1 is set to 0.7 and the performance coefficient Co2 is set to 0.3. , Get the optimal voltage signal setting Vs_opt according to the performance indicators PI1, PI2 and the efficiency coefficients Co1 and Co2, and pass Contains the supply information Info of the optimal voltage signal setting Vs_opt to the power supply circuit 120. The voltage signal Vsig supplied by the power supply circuit 120 to the circuits 130_1 and 130_2 is optimized for the coefficient of performance Co1 of 0.7 and the coefficient of performance Co2 of 0.3. Results, but the present invention is not limited to this, the efficiency coefficient and the component ratio set by the voltage signal included in the final voltage signal Vsig are not limited to be completely the same, this embodiment is only an example, when the nth When the efficiency coefficient is higher, the weight of the n-th performance index referenced by the voltage signal Vsig is higher. In addition, it should be noted that when the control circuit 110 obtains multiple performance indicators (such as PI1 and PI2), it is not limited to the corresponding performance coefficients Co1 and Co2 set by the control circuit 110 in real time. The electronic device 10 may further include a storage Device (not shown in Figure 1), wherein the storage device has a comparison table stored in advance, and the comparison table lists the status of various performance indicators and the corresponding performance coefficient. In addition, it should be noted that the voltage signal settings that can optimize each performance index (such as performance index PI1-PIn) can also be stored in the storage device, so that the control circuit 110 can obtain the performance index PI1-PIn. The corresponding voltage signal setting can then be obtained in the storage device. In addition, in other embodiments, several simplified options can be determined in advance, so that under different conditions, a more suitable voltage signal setting can be selected among the limited options.

FIG. 2 is a schematic diagram of dynamically supplying a voltage signal according to an performance index according to an embodiment of the present invention. In this embodiment, it is assumed that n is a positive integer 3, that is, the circuit set 130 includes circuits 130_1, 130_2, and 130_3, such as As shown in FIG. 2, during the time period t1, only the circuit 130_1 is operating. At this time, the control circuit 110 obtains the performance index PI1 and sets the performance coefficient Co1 to 1 accordingly. Then, during the time period t2, there is only the circuit. 130_3 is in operation. At this time, the control circuit 110 obtains the performance index PI3, and sets the performance coefficient Co3 to 1. Based on the time period t3, there are circuits 130_1 and 130_2 in operation. At this time, the control circuit 110 obtains the performance indicators PI1 and PI2. And set (or according to the look-up table) the efficiency coefficient Co1 is 0.7 and the efficiency coefficient Co2 is 0.3; during the time period t4, circuits 130_1, 130_2, and 130_3 are operating. At this time, the control circuit 110 obtains performance indicators PI1, PI2, and PI3. And set (or according to the look-up table) the efficiency coefficient Co1 is 0.2, the efficiency coefficient Co2 is 0.3 and the efficiency coefficient Co3 is 0.5. The control circuit will determine the best Vs at that time at t1, t2, t3, and t4. It should be noted that the length of the time period t1-t4 shown in FIG. 2 is only an example, and the actual length depends on the operating condition of the circuit.

To briefly summarize the present invention, the present invention discloses an electronic device and a power supply circuit applied to the electronic device, wherein the power supply circuit can dynamically adjust the voltage signal according to the operating condition of the circuit in the electronic device and the performance indicators that are valued to achieve as much as possible Optimize the performance of all circuits. The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the scope of patent application of the present invention shall fall within the scope of the present invention.

 10  Electronic device  11  Power circuit  110  Control circuit  120  Power supply circuit  130  Circuit collection  130_1, 130_2, 130_n  Electric circuit  Vsig  Voltage signal  Co1, Co2, Con  Efficiency factor  PI1, PI2, PIn  Performance index  t1-t4  Time period  Vs_opt  Optimal voltage signal setting

FIG. 1 is a schematic diagram of an electronic device according to an embodiment of the present invention. FIG. 2 is a schematic diagram of dynamically supplying a voltage signal according to an performance index according to an embodiment of the present invention.

Claims (10)

A power circuit applied to an electronic device includes a control circuit coupled to a plurality of circuits in the electronic device, wherein the control circuit is used to generate a supply information according to a plurality of performance indicators of the plurality of circuits. Wherein the supply information includes an optimal voltage signal setting, and the optimal voltage signal setting is generated through an efficiency coefficient corresponding to each of the plurality of performance indicators; and a power supply circuit, coupled Connected to the control circuit and the plurality of circuits, wherein the power supply circuit dynamically provides a voltage signal to the plurality of circuits according to the supply information. For example, the power supply circuit of the first patent application range, wherein the optimal voltage signal setting includes a duty cycle, a frequency, a phase, an amplitude, or a voltage supply mode. For example, in the power supply circuit of the first patent application range, when the power supply circuit supplies a voltage signal according to the optimal voltage signal setting, the higher an efficiency coefficient, the higher the weight of the corresponding performance index that the voltage signal refers to. For example, the power circuit of the first patent application range, wherein the plurality of performance indicators include at least a power loss value, a noise value, or a maximum load current. A method applied to an electronic device includes: generating supply information according to a plurality of performance indicators of a plurality of circuits, wherein the supply information includes an optimal voltage signal setting, and the optimal voltage signal setting is through the complex number Each performance index corresponding to each performance index is generated; and a voltage signal is dynamically provided to the plurality of circuits according to the supply information. For example, the method of claim 5 in the patent application range, wherein the optimal voltage signal setting includes a duty cycle, a frequency, a phase, an amplitude, or a voltage supply mode. For example, the method according to item 5 of the patent application, wherein when a voltage signal is supplied according to the optimal voltage signal setting, the higher an efficiency coefficient, the higher the weight of the corresponding performance index that the voltage signal refers to. For example, the method of claim 5 in the patent scope, wherein the plurality of performance indicators include at least a power loss value, a noise value, or a maximum load current. An electronic device includes: a plurality of circuits; a control circuit coupled to the plurality of circuits, wherein the control circuit is used to generate a supply information according to a plurality of performance indicators of the plurality of circuits, wherein the supply information is Including an optimal voltage signal setting, and the optimal voltage signal setting is generated through an efficiency coefficient corresponding to each of the plurality of performance indicators; and a power supply circuit coupled to the control circuit and The plurality of circuits, wherein the power supply circuit dynamically provides a voltage signal to the plurality of circuits according to the supply information. For example, the electronic device in the ninth scope of the patent application, wherein the optimal voltage signal setting includes a duty cycle, a frequency, a phase, an amplitude, or a voltage supply mode.