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首页> 外文会议>Annual Conference of the IEEE Industrial Electronics Society >A Non-Isolated Bipolar Gate Driver with Self-Driven Negative Bias Generator in High-Side-Only Application
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A Non-Isolated Bipolar Gate Driver with Self-Driven Negative Bias Generator in High-Side-Only Application

机译：一个非隔离双极栅极驱动器，具有自驱动负偏置发生器，在高侧应用中

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摘要

With the development of power electronic converters, size reducing and reliability extending are desired. For modern converter that utilises inductors or transformers, the dimensions of magnetic components are commonly inversely proportional to its switching frequency. With the increase of switching frequency, higher dv/dt may cause miss-triggering faults and unstable turn-off. Those issues can be relieved by applying a negative bias to conduct the turn-off. However, a separate DC-DC converter is normally required to generate this negative voltage. In this paper, a novel self-driven negative bias generator for high-side switch is introduced. The novel gate driver can provide bipolar gate driving capability without the need for a separate negative voltage supply. A prototype converter has been built and verified that the proposed bipolar gate driver could effectively generates the required negative voltage for power semiconductor driving without using a charge pump or switching converter.
机译：随着电力电子转换器的发展，需要减小和可靠性延伸的尺寸。对于利用电感器或变压器的现代转换器，磁性分量的尺寸通常与其开关频率成反比。随着开关频率的增加，更高的DV / DT可能会导致错过触发故障和不稳定的关断。通过应用负面偏差来执行关断可以缓解这些问题。但是，通常需要单独的DC-DC转换器来产生该负电压。本文介绍了用于高侧开关的新型自驱动负偏置发生器。新颖的栅极驱动器可以提供双极栅极驱动能力，而无需单独的负电压供应。已经建立并验证了原型转换器，并且所提出的双极栅极驱动器可以有效地产生功率半导体驱动的所需负电压，而无需使用电荷泵或开关转换器。

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