Crosstalk_Half_Bridge - amir-azamrajabian/amir-azamrajabian.github.io GitHub Wiki
🔬 Crosstalk in Half-Bridge Circuits
📌 Project Overview
Crosstalk in half-bridge circuits is a critical phenomenon that impacts the reliability and efficiency of power Insulated Gate Bipolar Transistors (IGBTs). This project explores the root causes of crosstalk, mitigation techniques, and optimal circuit designs. The study is based on both theoretical modeling and experimental validation, with findings published in leading IEEE conferences and journals.
Key Research Areas
- Advanced Crosstalk Modeling – Incorporating power path parasitic elements, gate resistance effects, and switching dynamics.
- PCB Optimization – Design methodologies to minimize crosstalk and enhance device performance.
- Simulation-Based Analysis – MATLAB and PSPICE-based validation of proposed models.
- Hardware Experimentation – Testing real-world circuits to bridge the gap between theory and practice.
- Publications & Technical Contributions – Dissemination of knowledge through peer-reviewed papers.
🛠️ Technologies & Tools Used
- Hardware: Custom-designed PCBs with optimized trace layouts.
- Software: MATLAB for modeling, data analysis, and simulation.
- Simulation Tools: PSPICE for detailed circuit analysis.
- Measurement Instruments: Oscilloscopes, high-speed current sensors, and double-pulse testing setups.
🔍 Key Challenges & Solutions
| Challenge | Solution |
|---|---|
| High-frequency noise interference | Optimized PCB layout and strategic component placement |
| Crosstalk-induced shoot-through current | Designed proper grounding and shielding methodologies |
| Mismatch between simulation and experimental results | Developed an improved equivalent circuit model and validated it experimentally |
| Impact of power path parasitic inductance | Identified an optimal range for inductance values to minimize energy loss and signal distortion |
📂 Project Deliverables
✅ PCB Designs & Layouts – View PCB Designs
✅ MATLAB Simulation Results – View MATLAB Codes
✅ Research Summaries – Key findings from peer-reviewed publications
✅ Experimental Data & Graphs – Visual analysis of key findings
📝 Research Summaries
The following studies were conducted as part of this project. Due to publisher restrictions, full-text access may require journal subscriptions or institutional access.
1️⃣ Investigating the Effect of Power Path Parasitic Inductance on Si-IGBT Crosstalk
Summary:
- Developed a comprehensive crosstalk model incorporating power path parasitic inductances.
- Identified an optimal range of inductance values to mitigate crosstalk-induced failures.
- MATLAB simulations and experimental validation confirmed the accuracy of the proposed approach.
📄 Access via IEEE or Institutional Library
2️⃣ Characterization of Si-IGBT Crosstalk with a Focus on Power Circuit Parasitic Elements
Summary:
- Introduced an enhanced crosstalk model incorporating parasitic capacitances of Si-IGBTs.
- Demonstrated the influence of DC-bus voltage and switching conditions on crosstalk severity.
- Performed extensive hardware experiments to verify the theoretical findings.
📄 Access via IEEE or Institutional Library
3️⃣ Interrelation of Gate Resistance & Emitter Inductance Impact on Phase-Leg Crosstalk
Summary:
- Investigated the effects of gate resistance and emitter/source inductance on crosstalk behavior.
- Designed a double-pulse test setup to systematically study switching characteristics.
- Proposed optimized parameter ranges for improving circuit robustness.
📄 Access via IEEE or Institutional Library
🔗 Additional Resources
- GitHub Repository – Access project files and source code.
- Datasheets for IGBTs – Technical specifications of the studied devices.
- Industry Best Practices – Guidelines for designing low-crosstalk power circuits.
🚀 Future Work & Next Steps
- Extend research to SiC MOSFETs – Investigate how similar methods apply to next-generation power semiconductors.
- Refine experimental setups – Improve the accuracy of hardware measurements and expand test conditions.
- Enhance open-source contributions – Provide open-access MATLAB scripts and PCB layouts for researchers and engineers.
- Develop a Crosstalk Suppression Guide – Create a structured guide to help circuit designers mitigate crosstalk effects effectively.
This project is an ongoing effort to improve the design of high-power electronic circuits while ensuring efficiency and reliability.