Unlock instant, AI-driven research and patent intelligence for your innovation.

DVFS power supply system and DVFS power supply control method

A technology of power supply system and controller, which is applied in the direction of data processing power supply, control/regulation system, electrical components, etc., and can solve problems such as long dynamic response time and abnormal power supply of the power supply system

Pending Publication Date: 2021-12-31
HUAWEI TECH CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the dynamic response time, if the voltage after the jump deviates too much from the original v

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • DVFS power supply system and DVFS power supply control method
  • DVFS power supply system and DVFS power supply control method
  • DVFS power supply system and DVFS power supply control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] Embodiments of the present application provide a DVFS power supply system and a DVFS power supply control method, which are applied in the field of integrated circuit control and can reduce dynamic response time.

[0044] In order to facilitate the understanding of the technical solutions in this application, the related background technologies in the technical solutions are described below.

[0045] DVFS, at present, because the chip of the terminal has strict requirements on the life and power consumption of the power supply battery, it is necessary to use DVFS technology to dynamically adjust the operating frequency and voltage of the chip according to the real-time load requirements of the chip, so as to effectively reduce the power consumption of the chip. power consumption purposes. see figure 1 , figure 1 is a schematic structural diagram of a terminal DVFS power supply system. The DVFS power supply system includes a chip 101 , a PMU 102 , a load module 106 an...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a DVFS power supply system which can be applied to the field of integrated circuit control. The system comprises a chip, a PMU and a load module, wherein the PMU comprises a controller and a switching power supply; the chip is used for sending a voltage regulation instruction to the controller, and the voltage regulation instruction corresponds to the first voltage; and if the first voltage corresponding to the voltage regulation instruction is greater than or less than the threshold voltage, the controller is used for changing the state of the switching power supply so as to enable the switching power supply to be converted from the first mode to the second mode, and the range of the current output by the switching power supply to the load module is changed. The DVFS power supply system does not need to wait for the voltage feedback of a comparator to the load module, so that the dynamic response time can be reduced.

Description

technical field [0001] The present application relates to the field of integrated circuit control, in particular to a dynamic voltage and frequency scaling (DVFS) power system and a DVFS power control method. Background technique [0002] For the same chip, the higher the operating frequency, the higher the voltage required. DVFS dynamically adjusts the operating frequency and voltage of the chip according to the different needs of the computing power of the applications running on the chip, so as to achieve the purpose of energy saving. [0003] In a power supply system using DVFS, the frequency of the chip corresponds to the voltage. When the chip is running at a certain frequency, the current of the chip will change due to the power change of the chip, causing the voltage on the chip to jump. Through the comparator in the power management unit (power management unit, PMU), the voltage change of the chip can be measured to obtain the voltage change rate. When the voltag...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H02M1/00H02M3/158
CPCH02M1/00H02M3/158G06F1/32H02M3/155
Inventor 陈剑华周孟特范茂斌夏晓菲王利强
Owner HUAWEI TECH CO LTD