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Study of the Impedance of the Bypassing Network of a Switching Cell – Influence of the Positioning of the Decoupling Capacitors
- Source :
- International Workshop on Integrated Power Packaging, International Workshop on Integrated Power Packaging, Apr 2019, Toulouse, France, HAL
- Publication Year :
- 2019
- Publisher :
- IEEE, 2019.
-
Abstract
- International audience; Mechanisms responsible for ringing and oscillations in power converters at transistors turn-offs are, first, studied using small signal modelling. It is explained why a 50 % derating must be applied to high-speed transistors. Experimental measurements validate the analytical predictions. The influence of the distance between a switching cell and its decoupling capacitors is then studied; it appears that using a low-inductance – though simple – layout results in a stray inductance as low as 11 nH when the capacitor is 30 cm away from the switching cell, enabling degrees of freedom for thermal management.
- Subjects :
- Materials science
02 engineering and technology
Decoupling capacitor
law.invention
decoupling
overvoltage
law
Derating
switching cell
Hardware_INTEGRATEDCIRCUITS
0202 electrical engineering, electronic engineering, information engineering
switching transient
Electrical impedance
bypass
high speed switching
DC-link capacitor
business.industry
[SPI.NRJ]Engineering Sciences [physics]/Electric power
020208 electrical & electronic engineering
Transistor
Electrical engineering
Converters
021001 nanoscience & nanotechnology
[SPI.TRON] Engineering Sciences [physics]/Electronics
[SPI.TRON]Engineering Sciences [physics]/Electronics
Capacitor
Overvoltage
GaN transistor
0210 nano-technology
business
Decoupling (electronics)
[SPI.NRJ] Engineering Sciences [physics]/Electric power
Subjects
Details
- Database :
- OpenAIRE
- Journal :
- 2019 IEEE International Workshop on Integrated Power Packaging (IWIPP)
- Accession number :
- edsair.doi.dedup.....acd9aee894dff6f31fd0e9585611975d