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Connect/disconnect circuit for a reserve battery and method of operation thereof

  • US 5,969,436 A
  • Filed: 02/27/1998
  • Issued: 10/19/1999
  • Est. Priority Date: 02/27/1998
  • Status: Expired due to Fees
First Claim
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1. For use with a reserve battery couplable to a source of electrical power, a battery connect/disconnect circuit, comprising:

  • a switching subcircuit comprising a series-coupled controllable switch and diode in electrical series with said reserve battery, said diode reverse-biased with respect to said source of electrical power;

    a contactor coupled in electrical parallel with said switching subcircuit; and

    a control circuit, coupled to said switching subcircuit and said contactor, that selectively closes said contactor to couple said reserve battery to said source of electrical power to charge said reserve battery.

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