Systems and methods for controlling a segmented circuit

  • US 10,136,889 B2
  • Filed: 10/06/2017
  • Issued: 11/27/2018
  • Est. Priority Date: 03/26/2014
  • Status: Active Grant
First Claim
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1. A powered surgical instrument, comprising:

  • a housing;

    a shaft extending from said housing;

    an end effector extending from said shaft, wherein said end effector is configured to perform at least one end effector function;

    a power source;

    a segmented circuit configured to control said powered surgical instrument, wherein said segmented circuit comprises;

    a processor segment; and

    a motor segment comprising a motor;

    a voltage converter configured to supply a first voltage from said power source to said processor segment and a second voltage from said power source to said motor segment, wherein said first voltage and said second voltage are different;

    a current sensor configured to measure current within said motor segment; and

    a boost converter configured to increase said first voltage to said processor segment when said current exceeds a predetermined value in said motor segment.

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