Optimized power supply system for an electronic circuit
First Claim
1. An optimized power supply system for an electronic circuit whose power supply voltage is delivered via a variable-voltage DC-to-DC voltage converter from a battery, wherein an electronic evaluation means is provided within the electronic circuit comprising a voltage comparator that compares an evaluation voltage representative of an environmental operating condition of the electronic circuit with a reference voltage so as to deliver an indication of the environmental operating condition of the electronic circuit, wherein said indication is used to adjust the power supply voltage to a minimum value at which said electronic circuit can still operate correctly in the detected environmental operating condition.
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Accused Products
Abstract
Electronic evaluation device provided within an electronic circuit so as to deliver an indication of the operating conditions of the electronic circuit, which indication is used to adjust the power supply voltage to a minimum value at which the electronic circuit can still operate correctly.
28 Citations
5 Claims
- 1. An optimized power supply system for an electronic circuit whose power supply voltage is delivered via a variable-voltage DC-to-DC voltage converter from a battery, wherein an electronic evaluation means is provided within the electronic circuit comprising a voltage comparator that compares an evaluation voltage representative of an environmental operating condition of the electronic circuit with a reference voltage so as to deliver an indication of the environmental operating condition of the electronic circuit, wherein said indication is used to adjust the power supply voltage to a minimum value at which said electronic circuit can still operate correctly in the detected environmental operating condition.
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4. An optimized power supply system for an electronic circuit whose power supply voltage is delivered via a variable-voltage DC-to-DC voltage converter from a battery, wherein an electronic evaluation means is provided within the electronic circuit so as to deliver an indication of the environmental operating conditions of the electronic circuit, which indication is used to adjust the power supply voltage to a minimum value at which said electronic circuit can still operate correctly in said environmental operating conditions, said evaluation means comprises a signal generator that cyclically delivers one or more signals representative of an environmental operating condition to a test circuit with at least one circuit that is sensitive to the value of the power supply voltage and to the environmental operating condition, and delivers at least one response used to adjust the power supply voltage to a minimum value at which said electronic circuit can still operate correctly in said environmental operating condition.
Specification