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Gate Driver ICs for Wide Bandgap Power Transistors

2024· article· en· W4406461352 on OpenAlexaff
Wai Tung Ng, Rophina Li, Wentao Cui, Jingyuan Liang

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicSilicon Carbide Semiconductor Technologies
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsGate driverTransistorElectrical engineeringLogic gatePower (physics)Power semiconductor deviceOptoelectronicsComputer scienceElectronic engineeringMaterials scienceEngineeringPhysicsVoltage

Abstract

fetched live from OpenAlex

Wide bandgap (WBG) power devices such as Gallium Nitride (GaN) and Silicon Carbide (SiC) power transistors are the workhorse of modern power electronics. Although these power semiconductor devices have MOS-like gate electrodes, turning them on or off quickly requires much more than just applying a high or low voltage. Recent trends for smart gate driver ICs are to integrate a variety of complex functions to provide better protection, monitoring, and local control of the switching behaviors of the power devices. This paper starts with a review of basic gate driving requirements. This is followed by the introduction of recent developments in smart integrated gate drivers that are specific to the stringent requirements for GaN and SiC power transistors. Smart gate driver ICs with innovative integrated features such as dynamic gate driving and dead-time correction to minimize EMI and switching losses will be discussed. Techniques to provide subnanosecond time resolutions to automate the determination of the dynamic gate drive profiles dedicated to WBG power devices will be described. Finally, new gate drive features such as aging detection and compensation for the SiC devices will also be presented.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.006
Threshold uncertainty score0.020

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0010.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0060.003

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.

Opus teacher head0.011
GPT teacher head0.217
Teacher spread0.206 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreEmpirical

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".

Quick stats

Citations1
Published2024
Admission routes1
Has abstractyes

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