Parallel Switch Control for Lower Switching and Conduction Loss
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Solution Overview
Problem
There is a tradeoff between designing semiconductor switches for low switching losses and low conduction losses, with each design compromising on the other loss factor.
Innovation Solution
A switching device comprising multiple switches with different electrical parameters, controlled by a controller to operate at varying frequencies and times based on voltage signals, optimizing switching and conduction performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple switches with different electrical parameters are used, then overall efficiency is improved, but device complexity increases
Solution Approach 1:
The patent merges multiple switches with different characteristics into a single integrated switching device with common control logic. The parallel configuration of switches combined with unified control circuitry allows the system to achieve high efficiency through characteristic diversity while maintaining manageable complexity through integrated design.
Solution Approach 2:
The patent creates a universal switching device that can handle multiple operating conditions and load requirements through its multiple parallel switches. The device provides multi-functionality by being able to operate in different modes (using different switches) depending on the application requirements, making it adaptable to various power conversion scenarios.
Data Source
AI summary
Systems, apparatuses, and methods for efficient operation of a switch arrangement are described. Selectively operating one of a plurality of parallel-connected switches at different times along a period of a periodic waveform may allow for improved efficiency, uniform loss-spreading, and enhanced thermal design of an electronic circuit including use of power switches.