Integrated Transformer Layout for Precise Voltage Sensing
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Solution Overview
Problem
Electronic devices face challenges in maintaining a constant voltage supply to their components due to fluctuations in the centralized power source and varying component voltage requirements, which existing voltage regulator circuits struggle to address effectively.
Innovation Solution
The implementation of inductive sensing circuits within voltage regulator circuits, utilizing integrated transformers or spiral inductors, to monitor and adjust output voltage through electromagnetic induction, ensuring a stable voltage supply by compensating for fluctuations and component variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional voltage regulator circuits are used, then voltage regulation function is provided, but voltage stability is insufficient due to fluctuations in centralized power source and varying component voltage requirements
Solution Approach 1:
The patent combines multiple voltage regulator circuits into a single integrated voltage regulator system. The first voltage regulator circuit and second voltage regulator circuit are merged to simultaneously regulate first output voltage and second output voltage, reducing overall system complexity while improving voltage stability through coordinated regulation of multiple outputs from a single power source
Solution Approach 2:
The integrated voltage regulator circuit serves multiple functions by providing regulation for both first output voltage and second output voltage simultaneously. The circuit is designed to handle varying voltage requirements of different components while maintaining stable output, making it a universal solution for multi-voltage electronic devices
2Measurement precision
If inductive sensing circuits are added to monitor and adjust output voltage, then voltage regulation precision is improved, but device complexity increases
Solution Approach 1:
The patent introduces an inductive sensing circuit as an intermediary element between the voltage regulator and the output. This sensing circuit uses electromagnetic induction to detect output voltage levels and provide feedback to the regulator, enabling precise voltage monitoring and adjustment without requiring direct electrical connection to the output nodes, thus improving precision while minimizing added complexity
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 inductive sensing circuits provide precise voltage regulation, maintaining a consistent output voltage by sensing and adjusting input voltage based on electromagnetic induction, thereby stabilizing power supply to electronic device components.
Implementation Method 1
The one or more primary windings and the one or more secondary windings are configured and arranged such that a change in the one or more time-varying currents flowing through the one or more primary windings induces a voltage across the one or more secondary windings through electromagnetic induction
Data Source
AI summary
An integrated transformer is disclosed. The integrated transformer includes a magnetic core situated in a first layer from among multiple layers of a semiconductor layer stack, a first conductor and a second conductor from among multiple conductors, and a via. The first conductor is situated within a second layer, above the first layer, from among the multiple layers of the semiconductor layer stack. The second conductor is situated within a third layer, below the first layer, from among the multiple layers of the semiconductor layer stack. The via physically and electrically connects the first conductor and the second conductor. The via, the first conductor, and the second conductor form a primary winding of the integrated transformer. The integrated transformer additionally includes a secondary winding, wrapped around the magnetic core, situated in the first layer, the second layer, and the third layer.