Power Terminal Layout With Metallic Body for Low Inductance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The increasing demand for faster switching speeds and higher currents in power electronic components is hindered by the issue of component inductance, which induces electromotive forces that limit performance.
Innovation Solution
The introduction of metallic bodies attached to adjacent supply terminals, reducing the gap between them and increasing the overlap of opposing magnetic fields, thereby lowering component inductance and enabling faster switching speeds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the gap between adjacent supply terminals is reduced to lower inductance, then switching speed is improved, but the risk of electrical breakdown or arcing between terminals increases
Solution Approach 1:
An insulating body is introduced as an intermediary element positioned between the adjacent supply terminals. This insulating body physically separates the terminals while allowing their magnetic fields to overlap, thereby reducing inductance without compromising electrical insulation. The insulating body acts as a mediator that enables the terminals to be closer together without risking electrical breakdown or arcing.
2Speed
If metallic bodies are added to reduce inductance, then switching speed and current capacity are improved, but device complexity increases
Solution Approach 1:
The insulating body serves multiple functions simultaneously: it provides electrical insulation between terminals, maintains mechanical spacing, enables magnetic field overlap for reduced inductance, and can serve as a mounting structure for the metallic bodies. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device complexity while achieving the desired performance improvements.
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
This approach reduces inductance, allowing for higher current capacity and faster switching speeds in power electronic components.
Implementation Method 1
increasing the overlap of opposing magnetic fields, thereby lowering component inductance
Data Source
AI summary
An electronic component includes an enclosure, a power circuit, a positive supply terminal and a negative supply terminal, and a metallic body. The power circuit is disposed in the enclosure. The positive supply terminal and negative supply terminal are each exposed from the enclosure. The positive supply terminal and the negative supply terminal are separated from one another by a gap and extend adjacent to each other in a longitudinal direction. The positive supply terminal is electrically coupled to a first terminal of the power circuit and the negative supply terminal is electrically coupled to a second terminal of the power circuit. The metallic body is attached and electrically coupled to one of the positive supply terminal or the negative supply terminal. The metallic body extends along the positive supply terminal and the negative supply terminal in the longitudinal direction.