Self-adaptive fast power voltage regulation system

Abstract

The invention discloses a self-adaptive fast power voltage regulation system. Two regulation strategies of dynamic voltage and frequency scaling (DVFS) and self-adaptive voltage scaling (AVS) are combined together, and are respectively achieved by two parts of DVFS fast coarse scaling and relatively slow AVS fine scaling. The system is characterized by comprising a main circuit system platform, a frequency regulator lock phase-locked loop RLL, an output power rail line PMOS switch block, an off-chip power management chip PMIC, a performance decision module, an on-chip hardware performance monitoring module, an on-chip DVFS control module and an on-chip AVS control module. According to the method and the self-adaptive fast power voltage regulation system, the working voltage and frequency of a chip are reduced at the same time, the margin of chip voltage is reduced, the influence of fast voltage changes is compensated, and the power consumption spending of the chip is reduced.

Description

technical field [0001] The invention relates to a voltage regulation method, relates to a digital integrated circuit, and in particular relates to a low power consumption design technology. Background technique [0002] Low power technology (Low power technology) is used to solve the power consumption problem, and the power consumption problem is the only factor that determines whether Moore's Law can continue to apply. Low power consumption technology can be divided into system level, logic level, circuit level, layout level and process level from different levels. The design of the invention belongs to the system-level low power consumption design technology. In recent years, with the continuous improvement of integrated circuit (IC) operating frequency, integration, and complexity, the power consumption of IC has increased rapidly, and the increase in power consumption has brought a series of practical problems: the rise in IC operating temperature will cause The drift ...

AI Technical Summary

Problems solved by technology

In recent years, with the continuous improvement of integrated circuit (IC) operating frequency, integration, and complexity, the power consumption of IC has increased rapidly, and the increase in power consumption has brought a series of practical problems: the rise in IC operating temperature will cause The drift of the operating parameters of the semiconductor circuit affects the normal operation of the IC; the increase in power consumption causes the IC operating temperature to rise and shorten the life of the chip; the requirement for system cooling not only increases the system cost, but also limits the further improvement of the system performance

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