公开(公告)号：US20140281601A1

公开(公告)日：2014-09-18

申请号：US13826695

申请日：2013-03-14

Applicant: APPLE INC.

Inventor： Rakesh J. Patel ,  Norman J. Rohrer

IPC: G06F1/32 ,  G06F1/26

CPC classification number: G06F1/3206 ,  G06F1/324 ,  G06F1/3287 ,  G06F1/3296 ,  Y02D10/126 ,  Y02D10/171 ,  Y02D10/172

Abstract: Embodiments of an apparatus are disclosed that may allow for the isolation of power domains. The apparatus may include a first power switch, a second power switch, and a boundary switch. The first power switch may be coupled between a global power supply and a first local power supply, and the second power switch may be coupled between the global power supply and a second local power supply. The first and second power switches may open in response to first and second power down signals respectively. The boundary switch may be coupled between the first local power supply and the second local power supply and may be configured to open in response to an isolation signal.

Abstract translation: 公开了可以允许电源域的隔离的装置的实施例。 该装置可以包括第一电源开关，第二电源开关和边界开关。 第一电源开关可以耦合在全局电源和第一本地电源之间，并且第二电源开关可以耦合在全局电源和第二本地电源之间。 第一和第二电源开关可以分别响应于第一和第二掉电信号而断开。 边界开关可以耦合在第一本地电源和第二本地电源之间，并且可以被配置为响应于隔离信号而打开。