V2EX pdn

PDN

释义 Definition

PDN 通常指 Power Delivery Network(电源分配网络/供电网络):在电子系统(如PCB、电路板、芯片)中,把电能从电源(如稳压器)稳定、低噪声地送到各个负载(如处理器、存储器)的整体网络与设计方法,重点关注电压稳定、瞬态响应、噪声与阻抗等问题。
(该缩写在不同领域也可能指 Public Data Network 等其他含义,但在硬件与高速数字设计语境中最常见的是“电源分配网络”。)

发音 Pronunciation (IPA)

/pidin/

词源 Etymology

来自首字母缩略词 Power Delivery Network,20世纪末以来在高速数字电路与电源完整性(Power Integrity)领域中广泛使用,用于概括“从电源到芯片供电路径的整体网络”。

例句 Examples

The PDN must keep the CPU voltage stable during load changes.
PDN 必须在负载变化时保持 CPU 电压稳定。

A poorly designed PDN can cause voltage droop and random system resets, especially in high-speed designs.
PDN 设计不佳会导致电压下陷并引发系统随机重启,尤其是在高速设计中更常见。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Signal and Power IntegritySimplified(Eric Bogatin)
  • High-Speed Digital Design: A Handbook of Black Magic(Howard Johnson, Martin Graham)
  • Power Integrity for I/O Interfaces: With Signal Integrity and EMI Considerations(Jun Fan 等)
  • The Art of Electronics(Paul Horowitz, Winfield Hill,部分章节涉及供电网络与去耦概念)
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