Adaptive charging technique and circuitry for a battery/cell using multiple charge circuits and temperature data
First Claim
1. A system to recharge a battery, the battery including at least two terminals, the system comprising:
- charging circuitry to (i) generate a battery charge signal using a first charge signal and a second charge signal and (ii) apply the battery charge signal to the battery to charge the battery, the charging circuitry including;
a first charge circuit to generate the first charge signal, the first charge circuit including;
a first current-voltage source to generate a first signal, anda first inductor-capacitor circuit, associated with and coupled to the first current-voltage source, to generate a first DC current-voltage signal using the first signal;
a second charge circuit, spaced apart from the first charge circuit, to generate the second charge signal, the second charge circuit including;
a second current-voltage source to generate a second signal, anda second inductor-capacitor circuit, associated with and coupled to the second current-voltage source, to generate a second DC current-voltage signal using the second signal;
a first temperature sensor, in thermal communication with the first charge circuit, adapted to generate first temperature data which is representative of an operating temperature of the first charge circuit;
control circuitry, electrically coupled to the first and/or second charge circuits, configured to;
determine whether the first temperature data is out-of-specification, andgenerate one or more control signals, in response to the first temperature data being out-of-specification, using (i) the first temperature data and (ii) data which is representative of an operating efficiency of the first current-voltage source and/or the second current-voltage source, to adjust the first and/or second charge signal; and
a housing, wherein the battery, the charging circuitry and the first temperature are disposed in the housing.
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Accused Products
Abstract
A system to recharge a battery including a first current-voltage source to generate a first signal, a second current-voltage source to generate a second signal, a first inductor-capacitor circuit to generate the first DC current-voltage signal using the first signal, a second inductor-capacitor circuit to generate the second DC current-voltage signal using the second signal, wherein the first and second inductor-capacitor circuits are spaced apart by a predetermined distance. The system also includes a temperature sensor adapted to generate temperature data during the charging operation, and control circuitry configured to: (i) determine whether the first temperature data is out-of-specification, and (ii) generate one or more control signals to adjust the first and second DC current-voltage signals, in response to the first temperature data being out-of-specification.
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Citations
30 Claims
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1. A system to recharge a battery, the battery including at least two terminals, the system comprising:
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charging circuitry to (i) generate a battery charge signal using a first charge signal and a second charge signal and (ii) apply the battery charge signal to the battery to charge the battery, the charging circuitry including; a first charge circuit to generate the first charge signal, the first charge circuit including; a first current-voltage source to generate a first signal, and a first inductor-capacitor circuit, associated with and coupled to the first current-voltage source, to generate a first DC current-voltage signal using the first signal; a second charge circuit, spaced apart from the first charge circuit, to generate the second charge signal, the second charge circuit including; a second current-voltage source to generate a second signal, and a second inductor-capacitor circuit, associated with and coupled to the second current-voltage source, to generate a second DC current-voltage signal using the second signal; a first temperature sensor, in thermal communication with the first charge circuit, adapted to generate first temperature data which is representative of an operating temperature of the first charge circuit; control circuitry, electrically coupled to the first and/or second charge circuits, configured to; determine whether the first temperature data is out-of-specification, and generate one or more control signals, in response to the first temperature data being out-of-specification, using (i) the first temperature data and (ii) data which is representative of an operating efficiency of the first current-voltage source and/or the second current-voltage source, to adjust the first and/or second charge signal; and a housing, wherein the battery, the charging circuitry and the first temperature are disposed in the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method to adaptively charge a battery using charging circuitry, wherein the battery includes at least two terminals and the charging circuitry includes a first charge circuit and a second charge circuit wherein the first and second charge circuits are spaced apart by at least a predetermined distance, the method comprising:
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generating a first adjustable charge signal using the first charge circuit; generating a second adjustable charge signal using the second charge circuit; generating a battery charge signal using the first adjustable charge signal and the second adjustable charge signal; applying the battery charge signal to the battery to recharge the battery; generating first temperature data which is representative of the temperature of the first charge circuit and/or second charge circuit; determining whether the first temperature data is out-of specification; and in response to the first temperature data being out-of specification, generating one or more control signals to adjust the first adjustable charge signal and/or second adjustable charge signal using (i) the first temperature data and (ii) data which is representative of an operating efficiency of the first charge circuit and/or the second charge circuit. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A system to recharge a battery, the battery including at least two terminals, the system comprising:
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charging circuitry to (i) generate a programmable battery charge signal using first and second DC current-voltage signals and (ii) apply the programmable battery charge signal to the battery to charge the battery during a charging operation, the charging circuitry includes; a first current-voltage source to generate a first signal, a second current-voltage source to generate a second signal, a first inductor-capacitor circuit, associated with and electrically coupled to the first current-voltage source, to generate the first DC current-voltage signal using the first signal, and a second inductor-capacitor circuit, associated with and electrically coupled to the second current-voltage source, to generate the second DC current-voltage signal using the second signal, wherein the second inductor-capacitor circuit is spaced apart from the first inductor-capacitor circuit by a predetermined distance; a first temperature sensor to generate first temperature data during the charging operation; control circuitry electrically coupled to the first and second current-voltage sources and configured to; determine whether the first temperature data is out-of-specification, and generate one or more control signals to adjust the programmable battery charge signal in response to the first temperature data being out-of-specification; and a housing, wherein the battery, the charging circuitry, and the first temperature sensor are disposed in the housing. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification