Single Mode Near Minimum Deviation Controller for Multi-Level Flying Capacitor Converters
Bibliographic record
Abstract
This paper introduces a constant frequency mixed-signal single mode controller for multi-level dc-dc flying capacitor (ML-FC) converters that practically achieves minimum output voltage deviation transient response and, at the same time, maintains the stability of flying capacitor (FC) voltage. The output voltage loop of the controller is a simple modification of a conventional voltage-mode pulse-width modulated controller, where the polarity change of the output capacitor current is used to synchronize operation of two modified pulse width modulators. During load transients the controller achieves one cycle recovery of the inductor current, with near minimum output voltage deviation and without mode toggling occurring in many other fast recovery methods. To avoid runaway effect and stabilize the FC voltage, two methods, based on modification of the duty ratio and the capacitor current zero-crossing points, are introduced. Controllers effectiveness is verified with a 15 W, 12 V to 3.3 V, three-level FC buck prototype operating at 400 kHz switching frequency (800 kHz ripple frequency).
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".