Ground Voltage Elevation Compensation Circuit
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Solution Overview
Problem
Modern integrated circuits are sensitive to ground voltage elevations due to reduced supply voltage, which can lead to noise increases and temporary operational failures, necessitating an efficient compensation method.
Innovation Solution
A device and method that compare voltages at sensing points to reference points and provide a negative voltage supply to compensate for ground voltage elevations, using local compensation circuits connected to negative voltage supply units via highly resistive conductors to rapidly address voltage discrepancies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If supply voltage is reduced to decrease power consumption, then energy efficiency is improved, but sensitivity to ground voltage elevations increases
Solution Approach 1:
The patent implements a feedback mechanism where ground voltage elevations are continuously monitored and detected. When an elevation is detected, the system automatically activates compensation circuitry to counteract the elevation, creating a closed-loop control system that maintains reliable operation despite low supply voltage conditions
Solution Approach 2:
The patent dynamically changes electrical parameters by introducing negative voltage compensation signals that are proportional to the detected ground voltage elevations. This parameter adjustment allows the system to maintain stable operation by actively counteracting voltage variations without increasing the nominal supply voltage
2Reliability
If ground voltage elevations are compensated using traditional methods, then voltage stability is improved, but device complexity increases
Solution Approach 1:
The patent divides the integrated circuit into multiple segments with distributed sensing points and local compensation circuits. Each segment independently monitors and compensates for ground voltage elevations in its local region, reducing the complexity of any single compensation unit while providing comprehensive coverage across the entire circuit
Solution Approach 2:
The compensation circuitry is integrated directly into the ground network structure, allowing the ground system to self-compensate for its own voltage elevations. The sensing and compensation functions are embedded within the existing circuit architecture rather than requiring separate external compensation systems
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively reduces ground voltage elevations, minimizing noise and ensuring stable operation by quickly discharging excess current through negative voltage supply, thus maintaining optimal circuit performance.
Implementation Method 1
providing a source path to a negative voltage supply unit... through highly resistive conductors... quickly discharging excess current
Data Source
AI summary
A method and a device, the device has ground voltage elevation compensation capabilities and includes: multiple current consuming components; a positive voltage supply input; a negative voltage supply input; and a compensation circuit, coupled to the negative voltage supply input and to a grounding element; wherein the compensation circuit is adapted to detect a ground voltage elevation resulting from a flow of excess consumption current through the grounding element, and in response couple the negative voltage supply input to the grounding element; wherein the excess current flows through the grounding element due to an increment in a current consumption of a current consuming element of the device.