HIGH-CURRENT BATTERY MANAGEMENT SYSTEM
First Claim
1. An apparatus comprising:
- an isolation circuitry including multiple, transistor-based switches arranged electrically in parallel to isolate a battery from a load source, wherein the battery is capable of providing high levels of current;
a first buss bar to which first pins of the multiple switches are connected, wherein the first buss bar is to be connected to the battery;
a second buss bar to which second pins of the multiple switches are connected, wherein the second buss bar is to be connected to the load source; and
a microcontroller programmed to control the multiple switches substantially simultaneously to isolate the battery from the load source upon detecting a predetermined condition.
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Accused Products
Abstract
An apparatus includes a microcontroller and isolation circuitry including multiple transistor-based switches arranged electrically in parallel to isolate a battery from a load source, wherein the battery is capable of providing high levels of current. The apparatus includes a first buss bar to which first pins of the multiple switches are connected, wherein the first buss bar is to be connected to the battery and a second buss bar to which second pins of the multiple switches are connected, wherein the second buss bar is to be connected to the load source. A microcontroller is programmed to control the multiple switches substantially simultaneously to isolate the battery from the load source upon detecting a predetermined condition.
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Citations
25 Claims
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1. An apparatus comprising:
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an isolation circuitry including multiple, transistor-based switches arranged electrically in parallel to isolate a battery from a load source, wherein the battery is capable of providing high levels of current; a first buss bar to which first pins of the multiple switches are connected, wherein the first buss bar is to be connected to the battery; a second buss bar to which second pins of the multiple switches are connected, wherein the second buss bar is to be connected to the load source; and a microcontroller programmed to control the multiple switches substantially simultaneously to isolate the battery from the load source upon detecting a predetermined condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus comprising:
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an isolation circuitry including multiple, transistor-based switches arranged electrically in parallel to isolate a battery from a load source, wherein the battery is capable of providing high levels of current of at least 400 amperes; a switching driver circuit operatively coupled to the isolation circuitry such as to switch off the multiple switches simultaneously; and a microcontroller operatively coupled to the switching driver circuit, wherein the microcontroller is to direct the switching driver circuit to turn off the multiple switches responsive to detecting a predetermined condition. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. An apparatus comprising:
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an isolation circuitry including multiple, transistor-based switches arranged electrically in parallel on a circuit board, wherein the isolation circuitry is to isolate a load source from a battery that is capable of providing high levels of current; a surge detection circuit including an operation amplifier to detect a surge in current by measuring a voltage difference between source and drain of a subset of the multiple switches; a surge measuring circuit to measure a magnetic field and to determine a current level of the surge in current; and a microcontroller operatively coupled to the surge detection circuit and the surge measuring circuit, wherein the microcontroller is to; receive a first signal from the surge detection circuit, wherein the first signal is indicative of detecting the surge in current; turn on the surge measuring circuit responsive to the first signal; receive the current level of the surge from the surge measuring circuit; and send a second signal to switch off the multiple switches responsive to determining that the current level is above a pre-defined threshold current level indicating a short circuit. - View Dependent Claims (23, 24, 25)
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Specification