CPC H04W 4/029 (2018.02) [G06F 1/28 (2013.01); G06F 9/4418 (2013.01); G06F 9/547 (2013.01); H04W 84/12 (2013.01)] | 20 Claims |
1. A device comprising:
a processor;
a transceiver;
a controller coupled to the processor and the transceiver, wherein the controller is configured to execute a location application, and wherein the processor is configured to send application data to the controller for wireless transmission via the transceiver; and
a power management circuit comprising:
a first terminal configured to be coupled to a first power source,
a second terminal configured to be coupled to a second power source, and
a power detector configured to monitor power at the first terminal, wherein the power management circuit is configured to:
responsive to detecting power at the first terminal, provide power to the processor and the controller from the first power source, and
responsive to not detecting power at the first terminal, provide power to the controller without providing power to the processor.
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