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- Title
Improvements in pulsed current sharing in driving parallel MOSFETs.
- Authors
Takagi, Hajime; Orihara, Masato; Yamada, Tsutomu; Yanagidaira, Takeshi
- Abstract
To switch high-voltage and high-current pulses by using MOS (Metal Oxide Semiconductor) transistors, it is necessary to distribute evenly the voltage and current to all elements connected in series and parallel. In parallel connection, the current flowing in each element is different depending on the series resistance and wiring inductance. We verified improvements in pulsed current sharing in parallel transistors which were arranged in line on a printed circuit board. Although the gate and drain wirings were different in length, the pulsed current was evenly distributed by using transmission line transformers. The dissipation in transistors was equalized and four transistors were driven simultaneously near the rated current. © 2013 Wiley Periodicals, Inc. Electron Comm Jpn, 96(3): 1-8, 2013; Published online in Wiley Online Library (wileyonlinelibrary.com). DOI 10.1002/ecj.11471.
- Subjects
PERFORMANCE of metal oxide semiconductor field-effect transistors; PERFORMANCE of field-effect transistors; PULSED power systems; PARALLEL electric circuits; ELECTRIC inductance; PRINTED circuits; PULSE transformers
- Publication
Electronics & Communications in Japan, 2013, Vol 96, Issue 3, p1
- ISSN
1942-9533
- Publication type
Article
- DOI
10.1002/ecj.11471