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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 265 V Mains Interface Integrated in 0.35 m CMOS
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A 265 V Mains Interface Integrated in 0.35 m CMOS

机译:集成在0.35 m CMOS中的265 V电源接口

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摘要

A fully integrated 265 V$_{rm RMS}$ input AC–DC interface is demonstrated in a 0.35-$mu$m CMOS technology, requiring only one optional external low-voltage SMD capacitor for improved performance. The converter can directly interface the universal line voltage (50–60 Hz) and converts this into a regulated DC voltage of 3.3 V. High input voltage operation is made possible through separation of the mains input from the active circuits by custom layout high-voltage capable passive components in between. A compact model of an ideal AC–DC capacitive step-down converter is presented and the proposed circuit architecture is designed to mimic ideal operation and approach the maximum attainable power throughput accordingly. The prototype converter demonstrates a maximum output power of 12.7 $mu$W on a die area of 6 mm$^{2}$ and enables integrated circuits to be supplied straight from the ubiquitous mains voltage, hereby circumventing the need for traditional converters using expensive and bulky high-voltage discrete components.
机译:在0.35- <公式公式中演示了完全集成的265 V <公式公式类型=“ inline”> $ _ {rm RMS} $ 输入AC-DC接口=“ inline”> $ mu $ m CMOS技术,仅需要一个可选的外部低压SMD电容器即可改善性能。转换器可以直接连接通用线路电压(50–60 Hz),并将其转换为3.3 V的稳压DC电压。通过使用自定义布局高压将有源输入与主电路分开,可以实现高输入电压操作介于两者之间的无源元件。给出了理想的AC-DC电容式降压转换器的紧凑模型,并设计了拟议的电路架构来模仿理想的操作并相应地达到最大可达到的功率通过量。原型转换器在6 mm的模片面积上显示出最大输出功率为12.7 $ mu $ W inline“> $ ^ {2} $ ,并可以从无处不在的电源电压直接为集成电路供电,从而避免了使用昂贵而笨重的传统转换器的需求高压分立元件。

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