Sufficient Condition-Based Stability Analysis of a Power Converter Applied Switching Transient Waveform Modification Using Kharitonov’s Theorem
Abstract
:1. Introduction
2. Modeling of Closed-Loop Gate Drive
3. Determination of the Parameters
4. Stability Analysis
4.1. Kharitonov’s Theorem
4.2. Sufficient Condition-Based Stability Analysis
5. Experimental Results
6. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Circuit Designs | Drain Voltage Feedback | Op-Amp | Gate Resistance | ||
---|---|---|---|---|---|
Device | RC | THS3091 | R | ||
α | fFB (MHz) | AOP | fOP (MHz) | Rg (Ω) | |
Design I | 1/20 | 20 | 8 | 200 | 10 |
Design II | 1/20 | 20 | 10 | 160 | 10 |
Design III | 1/20 | 20 | 8 | 200 | 5 |
Design IV | 1/25 | 20 | 10 | 160 | 10 |
Subinterval | 0–100 ns | 100–200 ns | 200–300 ns | 300–400 ns | 400–500 ns | |||||
---|---|---|---|---|---|---|---|---|---|---|
Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | |
VDS (V) | 0 | 2.18 | 2.18 | 9.59 | 9.59 | 20.29 | 20.29 | 27.76 | 27.76 | 30 |
Cdg (pF) | 316.36 | 590.59 | 166.12 | 316.36 | 119.75 | 166.12 | 104.99 | 119.75 | 102.07 | 104.99 |
Cds (pF) | 241.37 | 381.97 | 142.39 | 241.37 | 105.23 | 142.39 | 95.57 | 105.23 | 93.88 | 95.57 |
Subinterval | 0–100 ns | |
---|---|---|
Min | Max | |
c0 | −8.2 × 1021 | −8.2 × 1021 |
c1 | −1.8 × 1014 | −9.6 × 1013 |
c2 | −1.8 × 1016 | −9.8 × 105 |
c3 | −0.0037 | −0.002 |
c4 | −2 × 10−12 | −1.1 × 10−12 |
c5 | −1.3 × 10−22 | −6.1 × 10−23 |
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Cui, T.; Ma, Q.; Xu, P. Sufficient Condition-Based Stability Analysis of a Power Converter Applied Switching Transient Waveform Modification Using Kharitonov’s Theorem. Electronics 2019, 8, 245. https://doi.org/10.3390/electronics8020245
Cui T, Ma Q, Xu P. Sufficient Condition-Based Stability Analysis of a Power Converter Applied Switching Transient Waveform Modification Using Kharitonov’s Theorem. Electronics. 2019; 8(2):245. https://doi.org/10.3390/electronics8020245
Chicago/Turabian StyleCui, Tongkai, Qishuang Ma, and Ping Xu. 2019. "Sufficient Condition-Based Stability Analysis of a Power Converter Applied Switching Transient Waveform Modification Using Kharitonov’s Theorem" Electronics 8, no. 2: 245. https://doi.org/10.3390/electronics8020245
APA StyleCui, T., Ma, Q., & Xu, P. (2019). Sufficient Condition-Based Stability Analysis of a Power Converter Applied Switching Transient Waveform Modification Using Kharitonov’s Theorem. Electronics, 8(2), 245. https://doi.org/10.3390/electronics8020245