Electronic device, power circuit applied to the electronic device, and associated method

• US 10,591,946 B2
• Filed: 07/06/2018
• Issued: 03/17/2020
• Est. Priority Date: 07/13/2017
• Status: Active Grant

• Current Assignee: Realtek Semiconductor Corp.
• Original Assignee: Realtek Semiconductor Corp.
• Inventors: Luo, Chun-Yu, Chen, Shih-Chieh, Li, Liang-Hui, Li, Yi-Lin
• Primary Examiner(s): Jager, Ryan
• Application Number:
  US16/028,432
• Publication Number:
  US 20190018439A1
• Time in Patent Office: 620 Days
• Field of Search: 327540
• CPC Class Codes: G05F 1/625 wherein it is irrelevant whether the variable actually regulated is ac or dc
• CPC Class Codes: G05F 3/02 Regulating voltage or current

Abstract

A power circuit applied to an electronic device, includes: a control circuit and a power providing circuit, wherein the control circuit is coupled to at least one circuit installed within the electronic device, and is arranged to generate a providing information according to at least one performance indicator of the circuit, wherein the providing information includes an optimal voltage signal setting, and the optimal voltage signal setting is generated according to a performance coefficient corresponding to each performance indicator; the power providing circuit is coupled to the control circuit and the at least one circuit, and is arranged to dynamically provide a voltage signal to the circuit according to the providing information.

Claims

1. A power circuit applied to an electronic device, comprising:

a control circuit, coupled to a plurality of circuits of the electronic device, wherein the control circuit is configured to generate a providing information according to a plurality of performance indicators corresponding to the plurality of circuits, respectively, the providing information comprises an optimal voltage signal setting, and the optimal voltage signal setting is generated according to a performance coefficient corresponding to each performance indicator; and

a power providing circuit, coupled to the control circuit and the plurality of circuits, wherein the power providing circuit is configured to generate a voltage signal to the plurality of circuits according to the providing information;

wherein the higher the performance coefficient, the higher a ratio of a corresponding performance indicator referred to by the voltage signal.

2. The power circuit of claim 1, wherein the optimal voltage signal setting comprises settings of a duty cycle, a frequency, a phase, an amplitude or a voltage providing mode.

3. The power circuit of claim 1, wherein when the power providing circuit provides the voltage signal according to the optimal voltage signal setting, a proportion of the optimal voltage signal setting in the voltage signal and the performance coefficient are positively correlated.

4. The power circuit of claim 1, wherein the plurality of performance indicators comprises a power consumption, a noise, or a maximum loading current.

5. A method applied to an electronic device, comprising:

generating a providing information according to a plurality of performance indicators corresponding to a plurality of circuits, respectively, wherein the providing information comprises an optimal voltage setting, and the optimal voltage setting is generated according to a performance coefficient corresponding to each performance indicator; and

dynamically generating a voltage signal to the plurality of circuits according to the providing information;

wherein the higher the performance coefficient, the higher a ratio of a corresponding performance indicator referred to by the voltage signal.

6. The method of claim 5, wherein the optimal voltage signal setting comprises settings of a duty cycle, a frequency, a phase, an amplitude, or a voltage providing mode.

7. The method of claim 5, wherein when the power providing circuit provides the voltage signal according to the optimal voltage signal setting, a proportion of the optimal voltage signal setting in the voltage signal and the performance coefficient are positively correlated.

8. The method of claim 5, wherein the plurality of performance indicators comprises a power consumption, a noise, or a maximum loading current.

9. An electronic device, comprising:

a plurality of circuits;

a control circuit, coupled to the plurality of circuits, wherein the control circuit is configured to generate a providing information according to a plurality of performance indicators corresponding to the plurality of circuits, respectively, the providing information comprises an optimal voltage signal setting, and the optimal voltage signal setting is generated according to a performance coefficient corresponding to each performance indicator; and

a power providing circuit, coupled to the control circuit and the plurality of circuits, wherein the power providing circuit is configured to generate a voltage signal to the plurality of circuits according to the providing information;

wherein the higher the performance coefficient, the higher a ratio of a corresponding performance indicator referred to by the voltage signal.

10. The electronic device of claim 9, wherein the optimal voltage signal setting comprises settings of a duty cycle, a frequency, a phase, an amplitude, or a voltage providing mode.