Hold-up energy storage and management
First Claim
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1. An apparatus comprising:
- an energy storage resource operative to store backup energy to power electronic circuitry; and
power management circuitry in communication with the energy storage resource, the power management circuitry being operative, during a test mode;
to discharge the backup energy stored in the energy storage resource through a first load at a first energy discharge rate to obtain a first characteristic of the energy storage resource;
to discharge the backup energy stored in the energy storage resource at a second energy discharge rate to obtain a second characteristic of the energy storage resource;
to determine at least a third characteristic of the energy storage resource based at least on the first characteristic and the second characteristic; and
based at least in part on the third characteristic of the energy storage resource, to determine an available amount of energy in the energy storage resource to power the electronic circuitry during a power failure condition.
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Abstract
Power management circuitry initiates storage of backup energy in an energy storage resource. The backup energy is stored to power an electronic circuitry during a power failure condition in which primary power is unavailable to power the electronic circuit. During a test mode, the power management circuitry selectively discharges the backup energy stored in the energy storage resource at multiple different energy discharge rates to test the energy storage resource.
28 Citations
32 Claims
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1. An apparatus comprising:
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an energy storage resource operative to store backup energy to power electronic circuitry; and power management circuitry in communication with the energy storage resource, the power management circuitry being operative, during a test mode; to discharge the backup energy stored in the energy storage resource through a first load at a first energy discharge rate to obtain a first characteristic of the energy storage resource; to discharge the backup energy stored in the energy storage resource at a second energy discharge rate to obtain a second characteristic of the energy storage resource; to determine at least a third characteristic of the energy storage resource based at least on the first characteristic and the second characteristic; and based at least in part on the third characteristic of the energy storage resource, to determine an available amount of energy in the energy storage resource to power the electronic circuitry during a power failure condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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11. A method comprising:
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storing backup energy in an energy storage resource for powering electronic circuitry; and during a test mode; discharging the backup energy stored in the energy storage resource through a first load at a first energy discharge rate to obtain a first characteristic of the energy storage resource; discharging the backup energy stored in the energy storage resource at a second energy discharge rate to obtain a second characteristic of the energy storage resource; determining at least a third characteristic of the energy storage resource based at least on the first characteristic and the second characteristic; and based at least in part on the third characteristic of the energy storage resource, determining an available amount of energy in the energy storage resource to power the electronic circuitry during a power failure condition. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. Computer-readable storage hardware having instructions stored thereon, the instructions, when carried out by computer processor hardware, causing the computer processor hardware to perform operations of:
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storing backup energy in an energy storage resource for powering electronic circuitry; and during a test mode; discharging the backup energy stored in the energy storage resource through a first load at a first energy discharge rate to obtain a first characteristic of the energy storage resource; discharging the backup energy stored in the energy storage resource at a second energy discharge rate to obtain a second characteristic of the energy storage resource; determining at least a third characteristic of the energy storage resource based at least on the first characteristic and the second characteristic; and based at least in part on the third characteristic of the energy storage resource, determining an available amount of energy in the energy storage resource to power the electronic circuitry during a power failure condition. - View Dependent Claims (23)
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Specification