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DYNAMIC SELF-CORRECTING POWER MANAGEMENT FOR SOLID STATE DRIVE

  • US 20150169021A1
  • Filed: 12/18/2013
  • Published: 06/18/2015
  • Est. Priority Date: 12/18/2013
  • Status: Active Grant
First Claim
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1. A system for power management in a solid state drive (SSD) comprising a flash memory, the system comprising:

  • a controller; and

    a power management integrated circuit (PMIC),the controller configured to receive commands, each command corresponding to a requested read operation, a requested write operation, or a requested erase operation to be dispatched to the flash memory,the controller configured to place each command in the command queue, and to dispatch each command from the command queue to the flash memory, according to an algorithm, so as to maintain a power consumption of the solid state drive below a maximum acceptable power consumption value, the algorithm employing a power consumption cost table,the controller configured to dynamically adjust the power consumption cost table based on information received from the PMIC.

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