Architecture of a battery and control device
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United States of America Patent
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Jul 28, 2015
Grant Date -
Nov 8, 2012
app pub date -
Nov 5, 2010
filing date -
Nov 10, 2009
priority date (Note) -
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Abstract
A battery system comprises a battery module, including a high-voltage grid and a low-voltage network having a BCU. The battery module includes a plurality of battery cells connected in series and a plurality of cell monitoring units configured to measure and to transmit battery voltages of the battery cells with respect to a first control signal. The BCU is configured to determine a charge state of the battery cells. The BCU includes a microcontroller and a nanocontroller. The nanocontroller is or can be directly connected to the cell monitoring units and is connected to the microcontroller by means of an isolator, and is configured to generate the first control signal and to transmit the signal to the cell monitoring units and to receive the battery voltages of the battery cells transmitted by the cell monitoring units and relay same to the microcontroller.
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