Control circuit and method for controlling a plurality of battery cells based on a determined number of coupled battery cells
AssigneesVolkswagen Aktiengesellschaft, Audi AG
InventorsMartin Eberhard, Marc Tarpenning, Jessica Riley, Steven Diamond, Jaime Camhi
Life of this patent
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Abstract
A method for controlling a plurality of battery cells with a control circuit coupled to the plurality of battery cells, includes: supplying the control circuit with electrical energy from the coupled battery cells; determining a number of battery cells coupled to the control circuit; and automatically adapting a power consumption drawn from the battery cells in response to the number of coupled battery cells.
Claims16
A method for controlling a plurality of battery cells with a control circuit coupled to the plurality of battery cells, comprising:
- supplying the control circuit with electrical energy from the coupled battery cells;
- determining a number of battery cells coupled to the control circuit;
- and
- automatically adapting a power consumption drawn from the battery cells in response to the number of coupled battery cells.
A control circuit configured to control a plurality of battery cells, comprising:
- a plurality of terminals configured to be coupled to the plurality of battery cells;
- a power supply unit configured to generate electrical energy for the control circuit from electrical energy of the battery cells;
- a battery cell control unit configured to determine a number of battery cells coupled to the control circuit;
- and
- an energy control unit configured to adapt a power consumption drawn from the battery cells in response to the number of coupled battery cells.
A battery module, comprising:
- a plurality of battery groups, each battery group including:
- a plurality of battery cells;
- and
- a control circuit configured to control the plurality of battery cells of the battery group;
- wherein the control circuit includes:
- a plurality of terminals coupled to the plurality of battery cells;
- a power supply unit configured to generate electrical energy for the control circuit from electrical energy of the battery cells;
- a battery cell control unit configured to determine a number of battery cells coupled to the control circuit;
- and
- an energy control unit configured to adapt a power consumption drawn from the battery cells in response to the number of coupled battery cells.
A vehicle, comprising
- an electrical engine adapted to provide a driving force for driving the vehicle;
- and
- a battery module adapted to power the electrical engine, the battery module including a plurality of battery groups, each battery group including:
- a plurality of battery cells;
- and
- a control circuit configured to control the plurality of battery cells of the battery group;
- wherein the control circuit includes:
- a plurality of terminals coupled to the plurality of battery cells;
- a power supply unit configured to generate electrical energy for the control circuit from electrical energy of the battery cells;
- a battery cell control unit configured to determine a number of battery cells coupled to the control circuit;
- and
- an energy control unit configured to adapt a power consumption drawn from the battery cells in response to the number of coupled battery cells.
Dependencies are inferred from the claim text.