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ASSIGNING ADDRESSES TO MULTIPLE CASCADE BATTERY MODULES IN ELECTRIC OR ELECTRIC HYBRID VEHICLES

  • US 20110140533A1
  • Filed: 07/15/2010
  • Published: 06/16/2011
  • Est. Priority Date: 07/15/2010
  • Status: Active Grant
First Claim
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1. A battery management apparatus for an electric or a hybrid electric vehicle, comprising:

  • a first battery module comprising;

    a switch configured to open or close a first current path from a first terminal of a battery to a second terminal of the battery when a second battery module is coupled to the first battery module;

    a current sensor configured to sense a current in a second current path, the second current path different from the first current path; and

    a local controller configured to control a state of the switch to open or close the switch, wherein closing the switch is configured to close the first current path, the local controller is further configured to detect the sensed current in the second current path, and the local controller is further configured to receive and store an identifier based at least in part on the current detected in the second current path.

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