BATTERY CAPACITY ESTIMATION FOR A BATTERY PACK
First Claim
1. An electronic device comprising:
- a battery pack including a battery and a writeable memory, the writeable memory including an accumulated charge count of the battery; and
an electronic processor configured to communicate with the writeable memory and to;
read the accumulated charge count from the writeable memorydetect a connection of the battery to a charger;
determine an initial state of charge of the battery when the connection to the charger is detected;
determine a second state of charge of the battery;
determine a charge count change based on the initial state of charge and the second state of charge;
determine a new accumulated charge count based on the accumulated charge count and the charge count change; and
write the new accumulated charge count to the writeable memory.
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Accused Products
Abstract
Methods and devices for battery capacity estimation. One embodiment provides a method for battery capacity estimation for a battery pack of an electronic device, the battery pack including a battery and a writeable memory. The method includes reading an accumulated charge count from the writeable memory and detecting a connection of the battery to a charger. The method also includes determining an initial state of charge of the battery when the connection of the battery to the charger is detected and determining a second state of charge of the battery. The method further includes determining a charge count change based on the initial state of charge and the second state of charge and determining a new accumulated charge count based on the charge count change and the accumulated charge count. The method also includes writing the new accumulated charge count to the writeable memory.
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Citations
20 Claims
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1. An electronic device comprising:
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a battery pack including a battery and a writeable memory, the writeable memory including an accumulated charge count of the battery; and an electronic processor configured to communicate with the writeable memory and to; read the accumulated charge count from the writeable memory detect a connection of the battery to a charger; determine an initial state of charge of the battery when the connection to the charger is detected; determine a second state of charge of the battery; determine a charge count change based on the initial state of charge and the second state of charge; determine a new accumulated charge count based on the accumulated charge count and the charge count change; and write the new accumulated charge count to the writeable memory. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for battery capacity estimation for a battery pack of an electronic device, the battery pack including a battery and a writeable memory, the method comprising:
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reading, with an electronic processor, an accumulated charge count from the writeable memory; detecting, with the electronic processor, a connection of the battery to a charger; determining, with the electronic processor, an initial state of charge of the battery when the connection of the battery to the charger is detected; determining, with the electronic processor, a second state of charge of the battery; determining, with the electronic processor, a charge count change based on the initial state of charge and the second state of charge; determining, with the electronic processor, a new accumulated charge count based on the charge count change and the accumulated charge count; and writing, with the electronic processor, the new accumulated charge count to the writeable memory. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification