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Battery management device, secondary battery device, and vehicle

  • US 8,643,328 B2
  • Filed: 09/28/2010
  • Issued: 02/04/2014
  • Est. Priority Date: 09/30/2009
  • Status: Active Grant
First Claim
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1. A battery management device, comprising:

  • a power source supply management module to which a power is supplied from an external power source;

    a power source supply circuit to which a power is supplied from the power source supply management module via a first power source input terminal;

    a latch circuit configured to be operated by a power supplied from the power supply circuit or a power supplied via a second power source input terminal;

    a control circuit configured to output a logic signal that sets a shutdown signal output from the latch circuit to a logic signal input terminal; and

    a logic communication circuit to which a logic signal is supplied via the logic signal input terminal and which supplies the logic signal to a set signal input terminal of the latch circuit, whereinthe shutdown signal output from the latch circuit is set to an operation maintenance level when the logic signal is set to a second level from a first level.

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