あらゆる角度から検証されたスイッチング動作。
ワイドバンドギャップ・スイッチと磁気部品を使用したパワーマネジメントのシミュレーション。過渡、AC、DCの各条件下で厳密にテストを実施。
- 公開
- 更新
プロジェクトの範囲
2025年夏 / CADENCE VIRTUOSO
Circuit design internship
- Environment
- Cadence Virtuoso
- Analysis
- Transient, AC and DC simulation
- Design focus
- Switching behaviour, efficiency and high-frequency loss
トピック
The simulation question
Power-management design is not captured by one operating point. A useful model needs to show start-up and switching behaviour, small-signal response, steady-state operating conditions and the losses that become important at high frequency.
This project examined Buck/Boost power-management modules using GaN switching devices and magnetic components, with simulation used to compare behaviour across several analysis domains.
Why transient, AC and DC views all matter
Transient analysis shows time-domain behaviour: switching events, settling and responses to changing conditions. AC analysis helps examine frequency response and stability-related behaviour. DC analysis provides operating-point and sweep information that anchors the other interpretations.
Looking at the three together reduces the risk of optimising one attractive waveform while missing a limitation elsewhere in the circuit.
GaN changes the emphasis, not the need for discipline
Wide-bandgap switches make faster operation and higher power density possible, but they also increase the importance of parasitics, timing, magnetic behaviour and layout-aware reasoning.
The optimisation focus was therefore not a single headline number. It was the relationship between topology, switching behaviour, conversion efficiency and high-frequency loss under the simulated conditions.
What I carried forward
Simulation is most valuable when every plot answers a defined engineering question. A waveform without its conditions, assumptions and comparison point is difficult to use in a design decision.
The project strengthened my preference for multi-view verification: connect time, frequency and operating-point evidence before deciding that a circuit behaviour is understood.
公開証拠の境界
This page describes simulation work only. It does not claim a measured hardware efficiency, production qualification, proprietary topology, or performance beyond the public project scope.
ここでは検証可能なエンジニアリングの範囲と考察を公開しています。共有できる状態になった段階でプロジェクトの証拠を追加します。
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