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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Fang Luo Zheng Chen Lingxiao Xue Mattavelli, P. Boroyevich, D. Hughes, B. |
| Copyright Year | 2014 |
| Description | Author affiliation: Energy Efficient Electron. Dept., HRL Labs. LLC, Malibu, CA, USA (Hughes, B.) || Center for Power Electron. Syst., Virginia Tech, Blacksburg, VA, USA (Fang Luo; Zheng Chen; Lingxiao Xue; Mattavelli, P.; Boroyevich, D.) |
| Abstract | This paper discusses the design of a multichip Gallium-Nitride (GaN) power module for high frequency power conversion. The module is designed with HRL 600 V Gallium-Nitride (GaN) enhancement mode HEMT device. To exploit the capability of fast switching with low loss from high voltage GaN devices, different layout structures have been analyzed to reduce power loop parasitic inductance and improve switching performance. The approach investigated in this paper is based on a multi-chip module where small current rated dies are placed in parallel to achieve higher current handling capability. Moreover, a transmission-line type gate structure has been proposed to minimize the gate loop inductance and reduce the gate voltage ringing. Finite-Element-Analysis (FEA) and switching circuit simulation show that the multi-layer power loop design can effectively reduce the gate loop inductance and voltage overshoot on the devices. This multi-layer design also improves current sharing of the multi-chip module during switching operation. The transmission-line gate design is also proved in both simulation and experiment to be effective for reducing the gate loop inductance as well as gate loop ringing. |
| Sponsorship | IEEE Power Electron. Soc. |
| Starting Page | 537 |
| Ending Page | 544 |
| File Size | 1020678 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781479923250 |
| DOI | 10.1109/APEC.2014.6803361 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-03-16 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Logic gates Layout Switches Inductance Gallium nitride Capacitors Packaging |
| Content Type | Text |
| Resource Type | Article |
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