公开(公告)号：US09063732B2

公开(公告)日：2015-06-23

申请号：US14076674

申请日：2013-11-11

Applicant: Apple Inc.

Inventor： Matthew J. Byom ,  Vadim Khmelnitsky ,  Hugo B. Fiennes ,  Arjun Kapoor

IPC: G06F1/32 ,  G06F3/06 ,  G06F9/50 ,  G11C16/30

CPC classification number: G06F1/3225 ,  G06F1/3275 ,  G06F1/329 ,  G06F3/0625 ,  G06F3/0659 ,  G06F3/0679 ,  G06F9/5094 ,  G11C16/30 ,  Y02D10/14 ,  Y02D10/154 ,  Y02D10/22 ,  Y02D10/24

Abstract: Systems and methods are disclosed for limiting power consumption of a non-volatile memory (NVM) using a power limiting scheme that distributes a number of concurrent NVM operations over time. This provides a “current consumption cap” that fixes an upper limit of current consumption for the NVM, thereby eliminating peak power events. In one embodiment, power consumption of a NVM can be limited by receiving data suitable for use as a factor in adjusting a current threshold from at least one of a plurality of system sources. The current threshold can be less than a peak current capable of being consumed by the NVM and can be adjusted based on the received data. A power limiting scheme can be used that limits the number of concurrent NVM operations performed so that a cumulative current consumption of the NVM does not exceed the adjusted current threshold.

Abstract translation: 公开了用于使用分配多个并发NVM操作随时间推移的功率限制方案来限制非易失性存储器（NVM）的功率消耗的系统和方法。 这提供了一个“电流消耗上限”，用于确定NVM的电流消耗上限，从而消除峰值功率事件。 在一个实施例中，可以通过接收适合用作从多个系统源中的至少一个调整当前阈值的因素的数据来限制NVM的功耗。 当前阈值可以小于能够被NVM消耗的峰值电流，并且可以基于所接收的数据进行调整。 可以使用功率限制方案，其限制执行的并行NVM操作的数量，使得NVM的累积电流消耗不超过调整的电流阈值。

公开(公告)号：US20140068296A1

公开(公告)日：2014-03-06

申请号：US14076674

申请日：2013-11-11

Applicant: Apple Inc.

Inventor： Matthew J. Byom ,  Vadim Khmelnitsky ,  Hugo B. Fiennes ,  Arjun Kapoor

IPC: G06F1/32

CPC classification number: G06F1/3225 ,  G06F1/3275 ,  G06F1/329 ,  G06F3/0625 ,  G06F3/0659 ,  G06F3/0679 ,  G06F9/5094 ,  G11C16/30 ,  Y02D10/14 ,  Y02D10/154 ,  Y02D10/22 ,  Y02D10/24

Abstract: Systems and methods are disclosed for limiting power consumption of a non-volatile memory (NVM) using a power limiting scheme that distributes a number of concurrent NVM operations over time. This provides a “current consumption cap” that fixes an upper limit of current consumption for the NVM, thereby eliminating peak power events. In one embodiment, power consumption of a NVM can be limited by receiving data suitable for use as a factor in adjusting a current threshold from at least one of a plurality of system sources. The current threshold can be less than a peak current capable of being consumed by the NVM and can be adjusted based on the received data. A power limiting scheme can be used that limits the number of concurrent NVM operations performed so that a cumulative current consumption of the NVM does not exceed the adjusted current threshold.

Abstract translation: 公开了用于使用分配多个并发NVM操作随时间推移的功率限制方案来限制非易失性存储器（NVM）的功率消耗的系统和方法。 这提供了一个“电流消耗上限”，用于确定NVM的电流消耗上限，从而消除峰值功率事件。 在一个实施例中，可以通过接收适合用作从多个系统源中的至少一个调整当前阈值的因素的数据来限制NVM的功耗。 当前阈值可以小于能够被NVM消耗的峰值电流，并且可以基于所接收的数据进行调整。 可以使用功率限制方案，其限制执行的并行NVM操作的数量，使得NVM的累积电流消耗不超过调整的电流阈值。