Naslov
SPICE Analysis of RL and RC Snubber Circuits for Synchronous Buck DC-DC Converters

Autori
Blečić, Raul ; Gillon, Renaud ; Nauwelaers, Bart ; Barić, Adrijan

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the 38th International Convention MIPRO / - Opatija : Institute of Electrical and Electronics Engineers (IEEE), 2015, 91-97

Skup
International Convention MIPRO

Mjesto i datum
Opatija, Hrvatska, 25.05.2015. - 29.05.2015

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
conversion efficiency; electromagnetic (EM) interference; radiated emissions; reliability; switching-mode power supply (SMPS)

Sažetak
Operation of a 1.3-MHz, 12-to-1.2 V, 20-A synchronous buck converter is analyzed by SPICE simulations. Special attention is given to two resonances formed by the capacitance of FETs in the off-state and the total inductance of the input decoupling network. The resonances are the main source of the broadband electromagnetic (EM) interference. Two most common circuit level methods for reducing the EM interference, an RL snubber circuit and an RC snubber circuit, are analyzed and compared in terms of their impact on the radiation characteristics, efficiency and reliability of the analyzed synchronous buck converter.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika

POVEZANOST RADA