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Systems and methods for enabling multiple battery backup units in a system

  • US 10,158,247 B2
  • Filed: 12/16/2016
  • Issued: 12/18/2018
  • Est. Priority Date: 12/16/2016
  • Status: Active Grant
First Claim
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1. An information handling system comprising:

  • an information handling resource;

    a power input for receiving electrical energy for powering the information handling resource via a power bus; and

    a battery backup unit for supplying electrical energy to the information handling resource via the power bus in response to a power event affecting an ability of a power supply unit to deliver electrical energy to the power bus, the battery backup unit configured to, in response to the power event;

    generate a regulated output voltage having a first voltage magnitude for a first period of time to limit power generated by the battery backup unit to a first power magnitude during the first period of time; and

    after the first period of time, generate the output voltage having a second voltage magnitude lesser in magnitude than the first voltage magnitude for a second period of time to limit power generated by the battery backup unit to a second power magnitude lesser in magnitude than the first power magnitude during the first period of time, wherein the second power magnitude is a function of a continuous maximum power supported by the battery backup unit based on characteristics of the battery backup unit.

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