Dec 05, 2012

How to define a robust and power-optimized power management architecture
IP SoC 2012, Grenoble, France


  • Context: SoCs complexity increase with constraint of power consumption reduction.
  • Solution to reduce power consumption: SoC partitioning in power and voltage islets with several states of activity.
  • Issue to solve: properly select the power management network (PMNet) including power regulators, external and internal capacitors to sustain the voltage drops caused by mode transitions.
  • Traps:
    • PMNet not sized appropriately, the SoC may not operate properly.
    • PMNet over-designed, silicon area wasted or Bill-of-Material increased.

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