Power source management system for use in graphics card of microcomputer, has output terminal connected to input terminal where offset voltage is provided between input terminal and core voltage feedback terminal by processor

摘要

The system has a core voltage output terminal (13) connected to a core voltage input terminal (11) to provide core voltage (Vc). The core voltage is regulated by a voltage regulating element (2) based on feedback core voltage (Vs), such that the feedback core voltage is equal to fixed reference voltage (Vf), where offset voltage (Vo) equal to difference between desired core voltage of a processor (1) and the fixed reference voltage is provided between the core voltage input terminal and a core voltage feedback terminal (12) by the processor.