集成高压DC-DC转换器的设计注意事项

2018 IEEE International Symposium on Circuits and Systems (ISCAS) Pub Date : 2018-05-27 DOI:10.1109/ISCAS.2018.8351566

A. Salimath, Giovanni Gonano, E. Bonizzoni, D. Brambilla, E. Botti, F. Maloberti

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引用次数: 1

摘要

本文介绍了汽车和工业应用中集成高压DC-DC变换器的两个设计注意事项。提出的解决方案包括(i)使用过流保护(OCP)电路和有限占空比控制的准软启动技术和(ii)驱动浮动负载侧开关的技术，该开关抑制键线弹跳对其门源电压的影响。第一种技术避免了传统的开销启动电路，并显著缩短了转换器启动时间。第二种技术的重要性主要来自于高压条件下设备可靠性的观点。所提出的技术的有效性已经通过使用110纳米BCD技术在晶体管级的模拟得到验证。

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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Design Considerations for Integrated, High-Voltage DC-DC Converters

This paper presents two design considerations for integrated high-voltage DC-DC converters in automobile and industrial applications. The proposed solutions include (i) a quasi soft-start technique using over-current protection (OCP) circuits and limited duty cycle control and (ii) a technique to drive a floating load-side switch that suppresses the effect of bond-wire bouncing on its gate-source voltage. The first technique avoids the conventional, overhead start-up circuits and significantly reduces the converter startup time. The second technique gains importance primarily from device reliability viewpoint in high-voltage (HV) conditions. The effectiveness of the proposed techniques has been verified with simulations at the transistor level using a 110-nm BCD technology.

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2018 IEEE International Symposium on Circuits and Systems (ISCAS)

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