基于离散晶体管的DC-DC PoL变换器负载对可靠性影响的工作台研究

2022 IEEE 28th International Symposium for Design and Technology in Electronic Packaging (SIITME) Pub Date : 2022-10-26 DOI:10.1109/SIITME56728.2022.9987935

Dan Butnicu

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引用次数: 1

摘要

在许多应用中，有一种趋势是提高电力电子转换器的可靠性。像可靠性、效率和功率密度这样的参数通常是相反的，所以很难把它们放在一起。本文评估了负载电阻对简单DC-DC PoL(负载点)变换器整体可靠性的影响。选用嵌入式同步降压变换器的SA-TB130PCB-000评估板对该变换器的MTBF进行测试和测量。通过红外热扫描，获得了应力因子计算所需的组件胶囊温度。计算遵循MIL-HDBK-217F rev.2提供的数据，众所周知，公认的可靠性标准。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Workbench Study of Loading Consequences on Reliability of DC-DC PoL Converters Based on Discrete Transistors

There is a trend toward increasing the reliability of the power electronics converters used in many applications. Parameters like reliability, efficiency, and power density often are quite opposable, so it is hard to get them all toghether. In this paper, investigation of the load resistor impact upon the overall reliability of a simple DC-DC PoL (Point-of-Load) converter is assessed. SA-TB130PCB-000 evaluation board having embedded synchronous buck converter was selected for testing and measuring MTBF for such a converter. Thermal scanning in infrared was performed in order to obtain the component capsule's temperature which is needed in stress factor calculation. Calculation follows the data provided by MIL-HDBK-217F rev.2 well known and accepted reliability standard.

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来源期刊

2022 IEEE 28th International Symposium for Design and Technology in Electronic Packaging (SIITME)

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