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The 48 V Revolution: Why GaN Plus Digital Control for Ultra-thin Laptops

The 48 V Revolution: Why GaN Plus Digital Control for Ultra-thin Laptops

This article discusses how GaN-based solutions coupled with digital control increase efficiency, shrink the size, and reduce system costs for high density computing applications like ultra-thin laptops and high-end gaming systems. As computers, displays, smartphones and other consumer electronics systems become thinner and more powerful over the past decade, there is increasing demand for addressing the challenge of thinner solutions while extracting more power out of limited space. To address this challenge, the comparative advantages of various non-isolated DC-DC step-down topologies for ultra-thin 48 V – 20 V power solutions that are designed to fit inside a notebook computer or an ultra-thin display are examined.

Power Electronics News
January, 2021
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分类: 技术文章

Efficient Power Conversion (EPC) Launches 40 V eGaN FET Ideal for High Power Density Solutions for USB-C Battery Chargers and Ultra-thin Point-of-Load Converters

Efficient Power Conversion (EPC) Launches 40 V eGaN FET Ideal for High Power Density Solutions for USB-C Battery Chargers and Ultra-thin Point-of-Load Converters

EPC introduces the 40 V, 3 milliohm EPC2055 eGaN® FET, offering designers a device that is smaller, more efficient, and more reliable than currently available devices for high performance, space-constrained applications.

EL SEGUNDO, Calif. — December 2020 — Efficient Power Conversion Corporation, the world’s leader in enhancement-mode gallium nitride on silicon (eGaN) power FETs and ICs, advances the performance capability of low voltage, off-the-shelf gallium nitride transistors with the introduction of the EPC2055 (3 mΩ, 40 V) eGaN FET. 

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分类: 新闻稿

eGaN FET实现具有98%效率、250 W、48 V DC/DC解决方案, 用于超薄且高密度的计算应用

eGaN FET实现具有98%效率、250 W、48 V DC/DC解决方案, 用于超薄且高密度的计算应用

基于宜普电源转换公司(EPC)超高效eGaN® FET的两种高功率密度DC/DC转换器,推动超薄笔记本电脑、显示器、高端游戏系统和其它纤薄型消费电子产品实现高效解决方案

宜普电源转换公司(EPC)宣布推出用于48 V DC/DC转换的EPC9148EPC9153演示板。 EPC9153是一款250 W超薄电源模块,采用简单且低成本的同步降压配置,峰值效率高达98.2%,其元件的最大厚度为6.5 毫米。EPC9148使用多电平拓扑结构,元件的最大厚度小于4 毫米,峰值效率为98%。

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Rompower Announces The AC/DC Laptop Power Adaptor Technology Capable of 94% Efficiency, 20 W/in3 Power Density in an Incredibly Small Package

Rompower Announces The AC/DC Laptop Power Adaptor Technology Capable of 94% Efficiency, 20 W/in3 Power Density in an Incredibly Small Package

Taking advantage of the high performance of eGaN® FETs, Rompower Energy Systems has announced a reference design for a tiny, 65 W, 94% efficient AC/DC power adaptor for laptops and other mobile devices.

TUCSON, Az. – June 2017 – Rompower Energy Systems, an internationally recognized research and development company in the field of power conversion, announces the availability of technology for an extremely small, highly efficient AC/DC power adapter. In the quest for higher power density, the efficiency of the adapter is critical in order to decrease the heat dissipation. The reference design is measuring just 3.19 cubic inches in size, this adapter provides 65 W of power at greater than 94% efficiency over the entire input voltage range (90 Vac – 264 Vac).  The adapter has a power density of 20 W/in3. This high efficiency means that the device runs cooler than standard AC/DC adapters.

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分类: 新闻稿