System and method for adjusting device performance based on sensed host current sourcing capability
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United States of America Patent
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Aug 28, 2018
Grant Date -
Feb 1, 2018
app pub date -
Jul 29, 2016
filing date -
Jul 29, 2016
priority date (Note) -
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Abstract
A system and method is disclosed for an electronic device, such as a non-volatile memory associated with a host, to determine a current sourcing capability of the host and to adjust performance characteristics of the electronic device based on the determined current sourcing capability. The system may include an input current source testing circuit, device function circuitry and a controller configured to determine a current sourcing capability of a host with the input current source testing circuit, select a device performance parameter associated with the determined current sourcing capability and operate the device function circuitry according to the device performance parameter until detecting a power-off event. The method may include the electronic device reducing a resistance presented to the host to a plurality of predetermined resistance levels to determine the current sourcing capability of the host and utilizing the results of the determination to select associated device performance parameters.
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