ELECTRONIC DEVICE, POWER CIRCUIT APPLIED TO THE ELECTRONIC DEVICE, AND ASSOCIATED METHOD

• US 20190018439A1
• Filed: 07/06/2018
• Published: 01/17/2019
• 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
• Granted Patent: US 10,591,946 B2
• Time in Patent Office: Days
• 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 at least one circuit of the electronic device, wherein the control circuit is configured to generate a providing information according to at least one performance indicator of the at least one circuit, 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 at least one circuit, wherein the power providing circuit is configured to generate a voltage signal to the at least one circuit according to the providing information.

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, a voltage magnitude, and 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 at least one performance indicator comprises a power consumption, a noise, or a maximum loading current.

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

generating a providing information according to at least one performance indicator of the at least one circuit, 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 at least one circuit according to the providing information.

6. The method of claim 5, wherein the optimal voltage signal setting comprises settings of a duty cycle, a frequency, a phase, an amplitude, a voltage magnitude, and 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 at least one performance indicator comprises a power consumption, a noise, or a maximum loading current.

9. An electronic device, comprising:

at least one circuit;

a control circuit, coupled to the at least one circuit, wherein the control circuit is configured to generate a providing information according to at least one performance indicator of the at least one circuit, 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 at least one circuit, wherein the power providing circuit is configured to generate a voltage signal to the at least one circuit according to the providing information.

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, a voltage magnitude, and a voltage providing mode.