Invention Grant
US08429590B2 System-level method for reducing power supply noise in an electronic system 失效
用于减少电子系统中电源噪声的系统级方法

System-level method for reducing power supply noise in an electronic system
Abstract:
In one embodiment, a method for reducing power supply noise within an electronic system that includes an integrated circuit (IC), a package, and a printed circuit board (PCB) connected by a plurality of power delivery networks (PDN) is disclosed. Power supply noise within the system is reduced by defining a voltage compression limit for each PDN of the electronic system; determining a voltage compression for each PDN of the electronic system during a plurality of switching events; comparing the voltage compression of each PDN of the electronic system to the voltage compression limit for each switching event; and in response to the voltage compression of each PDN of the electronic system exceeding the limit, modifying the electronic system to reduce the voltage compression below the limit.
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