基于变压器的数字隔离器，浪涌能力为20kVPK，共模暂态抗扰度> 200kV/µS

2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits) Pub Date : 2016-06-15 DOI:10.1109/VLSIC.2016.7573497

Ruida Yun, James Sun, E. Gaalaas, Baoxing Chen

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引用次数: 25

摘要

本文提出了一种基于变压器的数字隔离器，具有20kVPK的浪涌能力和> 200kV/μS的共模暂态抗扰度(CMTI)，具有同类最佳的鲁棒性。采用聚酰亚胺作为绝缘材料，隔离屏障厚度超过30μm，具有卓越的浪涌性能。变压器采用全差分对称布局，提高抗噪能力。OOK发射机(TX)基于负gm振荡器，并在限压域中工作。它使TX能够在非常快的共模瞬态(CMT)噪声干扰期间保持产生差分开断键控(OOK)载波信号。

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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A transformer-based digital isolator with 20kVPK surge capability and > 200kV/µS Common Mode Transient Immunity

This paper presents a transformer-based digital isolator that achieves best-in-class robustness with 20kVPK surge capability and > 200kV/μS Common Mode Transient Immunity (CMTI). Using polyimide as insulation material, the isolation barrier is more than 30μm thick and enables the exceptional surge performance. The transformer is fully differential with symmetric layout to improve noise immunity. The OOK Transmitter (TX) is based on the negative-Gm oscillator and operates in the voltage-limited domain. It enable the TX to keep generating the differential On-Off Keying (OOK) carrier signal during disturbances from very fast Common Mode Transient (CMT) noise.

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2016 IEEE Symposium on VLSI Circuits (VLSI-Circuits)

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