Battery cell monitoring and balancing circuit
First Claim
1. A monitoring circuit for monitoring a plurality of battery cells of a battery pack, comprising:
- a plurality of temperature sensors for sensing temperatures of said plurality of battery cells and outputting a plurality of analog temperature voltage signals representative of said temperature of said plurality of battery cells;
an analog to digital converter (ADC) adapted to receive said plurality of analog temperature voltage signals and to convert each of said plurality of analog temperature voltage signals to a individual digital signal; and
a processor adapted to generate an alert signal when said individual digital signal is not within a predetermined range.
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Abstract
A monitoring circuit for monitoring a plurality of battery cells of a battery pack includes a plurality of temperature sensors, an analog to digital converter (ADC) and a processor. The plurality of temperature sensors is used for sensing temperatures of the plurality of battery cells and outputting a plurality of analog temperature voltage signals representative of the temperature of the plurality of battery cells. The analog to digital converter (ADC) is adapted to receive the plurality of analog temperature voltage signals and to convert each of the plurality of analog temperature voltage signals to a plurality of individual digital signals. The processor is adapted to generate an alert signal when an individual digital signal is not within a predetermined range.
140 Citations
26 Claims
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1. A monitoring circuit for monitoring a plurality of battery cells of a battery pack, comprising:
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a plurality of temperature sensors for sensing temperatures of said plurality of battery cells and outputting a plurality of analog temperature voltage signals representative of said temperature of said plurality of battery cells;
an analog to digital converter (ADC) adapted to receive said plurality of analog temperature voltage signals and to convert each of said plurality of analog temperature voltage signals to a individual digital signal; and
a processor adapted to generate an alert signal when said individual digital signal is not within a predetermined range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An electronic device capable of energizing a load using a battery pack having a plurality of battery cells, said electronic device comprising:
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a plurality of temperature sensors for sensing temperatures of said plurality of battery cells and outputting a plurality of analog temperature voltage signals representative of said temperature of said plurality of battery cells;
an analog to digital converter (ADC) adapted to receive said plurality of analog temperature voltage signals and to convert each of said plurality of analog temperature voltage signals to a individual digital signal; and
a processor adapted to generate an alert signal in order to disable a charging or discharging of said battery pack when said individual digital signal is not within a predetermined range. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification