Microinverters and power optimizers are widely utilized in modern solar panels to maximize energy efficiency and conversion. Such topologies and implementations usually require a minimum of 25 years of lifetime, which is becoming a critical challenge for market adoption. Low-voltage gallium nitride (GaN) power devices (VDS rating < 200 V) are a promising solution and are being used extensively by an increasing number of solar manufacturers.

In this article, a test-to-fail approach is adopted and applied to investigate the intrinsic underlying wear-out mechanisms of GaN transistors. The study enables the development of physics-based lifetime models that can accurately project the lifetimes under the unique demands of various mission profiles in solar applications.

How2Power
August, 2023
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宜普电源转换公司(EPC)推出150 V、6 mΩ EPC2308 GaN FET，让高功率密度应用实现更高的性能和更小的解决方案，包括DC/DC转换、AC/DC SMPS和充电器、太阳能优化器和微型逆变器，以及电机驱动器。

EPC 是增强型氮化镓(eGaN®)功率FET和 IC 领域的全球领导者，新推采用更耐热的QFN封装且可立即发货的150 V EPC2308氮化镓器件，用于电动工具和机器人的电机驱动器、用于工业应用的80 V/100 V高功率密度DC/DC转换器、用于充电器、适配器和电源供电的28V~54V同步整流器、智能手机USB快速充电器，以及太阳能优化器和微型逆变器。

GaN FETs in thermally enhanced QFN packages offer higher performance and smaller solution size for high power density applications, including DC-DC conversion, AC/DC chargers, solar optimizers and microinverters, motor drives, and Class D Audio

Power Electronics News
September, 2022
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