Power management mechanism
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Jun 28, 2012
filing date -
Feb 17, 2010
priority date (Note) -
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Abstract
An integrated circuit includes a global power supply node. A first power domain has a first power management circuit, which includes a local power supply node. A first power control circuit is capable of receiving an input signal. A second power control circuit has a higher current capacity than the first power control circuit. The first power control circuit and the second power control circuit are coupled to the local power supply node and the global power supply node. The input signal is configured to initiate a power sequence, e.g., a power up process or a power down process, in the first power control circuit. A first control signal generated by the first power control circuit is configured to initiate a power sequence in the second power control circuit.
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