Physics-based stability analysis of MOS transistors

被引:2
|
作者
Ferrara, A. [1 ]
Steeneken, P. G. [2 ,3 ]
Boksteen, B. K. [1 ]
Heringa, A. [2 ]
Scholten, A. J. [2 ]
Schmitz, J. [1 ]
Hueting, R. J. E. [1 ]
机构
[1] Univ Twente, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands
[2] NXP Semicond, Eindhoven, Netherlands
[3] Delft Univ Technol, Delft, Netherlands
关键词
Power MOSFET; Silicon-on-insulator (SOI); Safe Operating Area (SOA); Safe Operating Volume (SOV); Stability factor; Failure function; DMOS TRANSISTORS; SIMULATION; SILICON;
D O I
10.1016/j.sse.2015.05.010
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this work, a physics-based model is derived based on a linearization procedure for investigating the electrical, thermal and electro-thermal instability of power metal-oxide-semiconductor (MOS) transistors. The proposed model can be easily interfaced with a circuit or device simulator to perform a failure analysis, making it particularly useful for power transistors. Furthermore, it allows mapping the failure points on a three-dimensional (3D) space defined by the gate-width normalized drain current, drain voltage and junction temperature. This leads to the definition of the Safe Operating Volume (Soy), a powerful frame work for making failure predictions and determining the main root of instability (electrical, thermal or electro-thermal) in different bias and operating conditions. A comparison between the modeled and the measured SOV of silicon-on-insulator (SOI) LDMOS transistors is reported to support the validity of the proposed stability analysis. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:28 / 34
页数:7
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