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System power consumption regulating circuit, method and electronic equipment

A technology for adjusting power consumption of circuits and systems, applied in data processing power supplies, measuring devices, internal/peripheral computer component protection, etc., to reduce overload conditions, adjust system power consumption, and improve system life

Inactive Publication Date: 2014-04-02
QINGDAO GOERTEK
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Problems solved by technology

[0004] The invention provides a system power consumption adjustment circuit, method and electronic equipment to solve the problem of adverse effects of system current changes on system power consumption

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  • System power consumption regulating circuit, method and electronic equipment

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Embodiment Construction

[0040] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0041] The core idea of ​​the present invention is to detect the current in the system when the system is working, and pass the detected current to the central processing unit (Central Processing Unit, CPU for short) of the system, and the CPU will feed back the current in the system to the The power management circuit of the system, and the power management circuit further adjusts the core voltage output to the system CPU. By adjusting the core voltage of the system CPU, the power consumption of the system is adjusted, and the components and systems in the system are protected.

[0042] figure 1 It is a circuit diagram of a system power consumption adjustment circuit provided by an embodiment of the present invention, see figure 1 Th...

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Abstract

The invention discloses a system power consumption regulating circuit, a system power consumption regulating method and electronic equipment. The circuit comprises a system current detection circuit, a power supply management circuit and a CPU (Central Processing Unit) core voltage regulating circuit, wherein the system current detection circuit is used for detecting current in a system and outputting a detected current magnitude signal to the CPU core voltage regulating circuit; the CPU core voltage regulating circuit is used for receiving the current magnitude signal transmitted by the system current detection circuit and feeding back a core voltage regulating signal to the power supply management circuit according to the current magnitude signal; the power supply management circuit is used for regulating core voltage which is output to a system CPU according to the core voltage regulating signal to regulate the power consumption of the system. By adopting the technical scheme provided by the invention, when the system works, the magnitude of the current in the system is detected and the core voltage output to the CPU is regulated according to the magnitude of the current, so as to achieve the goals of regulating the power consumption of the system, reducing the situations that system emits heat and components are heavily overloaded with work and prolonging the service life of the system.

Description

technical field [0001] The invention relates to the field of system power consumption control, in particular to a system power consumption adjustment circuit, method and electronic equipment. Background technique [0002] System power consumption control In traditional circuits, the power management circuit is mainly used to directly supply power to the system. The core voltage output to the system CPU is constant, and the system cannot actively adjust the output voltage of the power management circuit. [0003] When the system is working, the workload of the CPU and the working state of the peripheral circuits will change, and the system current will also change accordingly. When the system current increases, it may cause the system to generate heat and overload the components, thereby damaging the system or lowering the system. life. When the system current decreases, it may cause insufficient utilization of the system CPU, and the system work efficiency is low. Content...

Claims

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Application Information

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IPC IPC(8): G06F1/32G06F1/26G06F21/70
Inventor 曾利民杜洋
Owner QINGDAO GOERTEK
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