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Power supply voltage and load consumption control

  • US 9,703,367 B2
  • Filed: 03/06/2013
  • Issued: 07/11/2017
  • Est. Priority Date: 03/06/2013
  • Status: Active Grant
First Claim
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1. An electronic circuit, comprising:

  • a power circuit comprising;

    first and second resistors,a switch to selectively connect the first and second resistors to a signal node,a voltage controller to, responsive to the switch being set to a first state to connect the first resistor to the signal node and disconnect the second resistor from the signal node, detect a voltage at the signal node and to provide a corresponding voltage control signal, anda voltage regulator to provide a supply voltage to a power node in accordance with the voltage control signal; and

    a load circuit to be removably coupled to the signal node and the power node, the load circuit comprising;

    a programming resistor coupled between the signal node and a ground node, anda load controller to, responsive to the switch being set to a second state to connect the second resistor to the signal node and disconnect the first resistor from the signal node, sense a voltage at the signal node and to provide a corresponding load control signal.

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