METHOD AND CIRCUITRY TO ADAPTIVELY CHARGE A BATTERY/CELL
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Accused Products
Abstract
The present inventions, in one aspect, are directed to techniques and/or circuitry to applying a charge pulse to the terminals of the battery during a charging operation, measure a plurality of voltages of the battery which are in response to the first charge pulse, determine a charge pulse voltage (CPV) of the battery, wherein the charge pulse voltage is a peak voltage which is in response to the first charge pulse, determine whether the CPV of the battery is within a predetermined range or greater than a predetermined upper limit value and adapt one or more characteristics of a charge packet if the CPV is outside the predetermined range or is greater than a predetermined upper limit value.
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Citations
42 Claims
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1. (canceled)
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2. A method to adapt a battery'"'"'s charging process, wherein the battery includes at least two terminals, the method comprising:
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applying a first charge pulse to the terminals of the battery; measuring a plurality of terminal voltages which are in response to the first charge pulse, wherein each terminal voltage is a voltage between the terminals of the battery; determining a first charge pulse voltage (first CPV) of the battery, wherein the first CPV is a peak voltage which is in response to the first charge pulse; determining whether the first CPV of the battery is within a predetermined range or greater than a predetermined upper limit value, wherein the predetermined range and/or the predetermined upper limit value changes over the battery'"'"'s life; and if the first CPV of the battery is outside the predetermined range or is greater than a predetermined upper limit value, adapting one or more characteristics of the battery'"'"'s charging process. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus to adapt a battery'"'"'s charging process, wherein the battery includes at least two terminals, the apparatus comprising:
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charging circuitry, responsive to control signals, to generate a charge signal which is applied to the terminals of the battery including a first charge pulse; measurement circuitry, coupled to the battery, to measure a plurality of voltages which are in response to the first charge pulse at the terminals of the battery; and control circuitry, coupled to the charging circuitry and the measuring circuitry, the control circuitry is configured to; determine a first charge pulse voltage (first CPV) of the battery, wherein the first CPV is a peak voltage which is responsive to the first charge pulse; determine whether the first CPV of the battery is within a first predetermined range or greater than a first predetermined upper limit value, wherein the predetermined range and/or the predetermined upper limit value changes over the battery'"'"'s life; and generate the one or more control signals to adapt one or more characteristics of the charge signal if the first CPV is outside the first predetermined range or is greater than the first predetermined upper limit value. - View Dependent Claims (14, 15, 16, 17)
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18. A method to adapt a battery'"'"'s charging process, wherein the battery includes at least two terminals, the method comprising:
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applying a first charge pulse to the terminals of the battery; measuring a plurality of terminal voltages which are in response to the first charge pulse, wherein each terminal voltage is a voltage between the terminals of the battery; determining a first charge pulse voltage (first CPV) of the battery, wherein the first CPV is a peak voltage which is in response to the first charge pulse; determining whether the first CPV of the battery is within a predetermined range or greater than a predetermined upper limit value, wherein the predetermined range and/or the predetermined upper limit value changes as the battery'"'"'s temperature changes; and if the first CPV of the battery is outside the predetermined range or is greater than a predetermined upper limit value, adapting one or more characteristics of the battery'"'"'s charging process. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. An apparatus to adapt a battery'"'"'s charging process, wherein the battery includes at least two terminals, the apparatus comprising:
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charging circuitry, responsive to control signals, to generate a charge signal which is applied to the terminals of the battery including a first charge pulse; measurement circuitry, coupled to the battery, to measure a plurality of voltages which are in response to the first charge pulse at the terminals of the battery; and control circuitry, coupled to the charging circuitry and the measuring circuitry, the control circuitry is configured to; determine a first charge pulse voltage (first CPV) of the battery, wherein the first CPV is a peak voltage which is responsive to the first charge pulse; determine whether the first CPV of the battery is within a first predetermined range or greater than a first predetermined upper limit value, wherein the predetermined range and/or the predetermined upper limit value changes as the battery'"'"'s temperature changes; and generate the one or more control signals to adapt one or more characteristics of the charge signal if the first CPV is outside the first predetermined range or is greater than the first predetermined upper limit value. - View Dependent Claims (30, 31, 32, 33)
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34. A method to adapt a battery'"'"'s charging process, wherein the battery includes at least two terminals, the method comprising:
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applying a plurality of charge pulses including a first charge pulse and a second charge pulse; measuring a plurality of terminal voltages which are in response to the first and second charge pulses, wherein each terminal voltage is a voltage between the terminals of the battery; determining a first charge pulse voltage (first CPV) of the battery, wherein the first CPV is a peak voltage which is in response to the first charge pulse; determining a second charge pulse voltage (second CPV) of the battery, wherein the second CPV is a peak voltage which is in response to the second charge pulse; determining a change between the first CPV and the second CPV; and if the change between the first CPV and the second CPV is outside a predetermined range or is greater than a predetermined upper limit value or is less than a predetermined lower limit value, adapting one or more characteristics of the battery'"'"'s charging process. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42)
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Specification