METHOD AND SYSTEM FOR DYNAMICALLY CONTROLLING OPERATIONS IN NON-VOLATILE MEMORY TO LIMIT POWER CONSUMPTION

Japanese Patent JP2012043420

A

To provide a method and system for dynamically controlling operations in a non-volatile memory to limit power consumption.

A system and method 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. Power consumption of the 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 is less than a peak current capable of being consumed by the NVM and can be adjusted based on the received data. The 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.

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BYOM MATTHEW
VADIM KHMELNITSKY
FIENNES HUGO
ARJUN KAPOOR

JP2011176364A

March 01, 2012

July 26, 2011

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APPLE INC

G06F12/00

JP2007193810A	2007-08-02
JPH10320512A	1998-12-04

US20070211551A1	2007-09-13
US20070168625A1	2007-07-19

Koichi Tsujii
Sadao Kumakura
Fumiaki Otsuka
Takaki Nishijima
Hiroshi Uesugi

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