Presentation 2017-12-14
Accelerated Transient Analysis of Power MOSFETs by the Matrix Exponential Method
Tatsuya Kamei, Shigetaka Kumashiro, Kazutoshi Kobayashi,
PDF Download Page PDF download Page Link
Abstract(in Japanese) (See Japanese page)
Abstract(in English) In designing and developing power devices, reduction of simulation time is required. In this study, an accurate metric for the time step control in the device transient simulation is proposed. This metric contains an exponential term of the dominant time constant of the whole device structure obtained by the matrix exponential method. Total CPU-time of the transient simulation of a silicon power DMOSFET by using the proposed method decreases down to 30% of that by the conventional metric with assuring the current accuracy of the dominant transient response. By using the approximate value obtained by the formal solution as the initial value of the Newton method, it is possible to further reduce the total CPU-time by 21%.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Power device / Transient analysis / Time step control / Local truncation error / Matrix Exponential method / Arnoldi method
Paper # CAS2017-87,ICD2017-75,CPSY2017-84
Date of Issue 2017-12-07 (CAS, ICD, CPSY)

Conference Information
Committee ICD / CPSY / CAS
Conference Date 2017/12/14(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Art Hotel Ishigakijima
Topics (in Japanese) (See Japanese page)
Topics (in English)
Chair Hideto Hidaka(Renesas) / Koji Nakano(Hiroshima Univ.) / Mitsuru Hiraki(Renesas)
Vice Chair Makoto Nagata(Kobe Univ.) / Hidetsugu Irie(Univ. of Tokyo) / Takashi Miyoshi(Fujitsu) / Hideaki Okazaki(Shonan Inst. of Tech.)
Secretary Makoto Nagata(Univ. of Tokyo) / Hidetsugu Irie(Panasonic) / Takashi Miyoshi(Utsunomiya Univ.) / Hideaki Okazaki(Hokkaido Univ.)
Assistant Masanori Natsui(Tohoku Univ.) / Masatoshi Tsuge(Socionext) / Hiroyuki Ito(Tokyo Inst. of Tech.) / Pham Konkuha(Univ. of Electro-Comm.) / Yasuaki Ito(Hiroshima Univ.) / Tomoaki Tsumura(Nagoya Inst. of Tech.) / Yohei Nakamura(Hitachi)

Paper Information
Registration To Technical Committee on Integrated Circuits and Devices / Technical Committee on Computer Systems / Technical Committee on Circuits and Systems
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Accelerated Transient Analysis of Power MOSFETs by the Matrix Exponential Method
Sub Title (in English)
Keyword(1) Power device
Keyword(2) Transient analysis
Keyword(3) Time step control
Keyword(4) Local truncation error
Keyword(5) Matrix Exponential method
Keyword(6) Arnoldi method
1st Author's Name Tatsuya Kamei
1st Author's Affiliation Kyoto Institute of Technology(KIT)
2nd Author's Name Shigetaka Kumashiro
2nd Author's Affiliation Kyoto Institute of Technology(KIT)
3rd Author's Name Kazutoshi Kobayashi
3rd Author's Affiliation Kyoto Institute of Technology(KIT)
Date 2017-12-14
Paper # CAS2017-87,ICD2017-75,CPSY2017-84
Volume (vol) vol.117
Number (no) CAS-343,ICD-344,CPSY-345
Page pp.pp.107-112(CAS), pp.107-112(ICD), pp.107-112(CPSY),
#Pages 6
Date of Issue 2017-12-07 (CAS, ICD, CPSY)