← 返回

一种用于窄导通时间Buck变换器的双开关断续电流源栅极驱动器

A Dual-Switch Discontinuous Current-Source Gate Driver for a Narrow On-Time Buck Converter

语言:

中文摘要

本文提出了一种具备两个控制开关的新型断续电流源驱动器(CSD),特别适用于Buck电压调节模块等窄导通时间应用场景。该驱动器通过栅极能量回收显著降低了驱动损耗,有效减少了开关损耗,并具备低循环损耗和高抗干扰能力等优势。

English Abstract

This paper presents a new discontinuous current-source driver (CSD) with two control switches. The introduced CSD is appropriate for narrow on-time applications such as buck voltage regulator module. This driver has some important features such as considerable gate drive loss reduction due to gate energy recovery, significant reduction of switching losses, low circulating losses, and high Cdv/dt i...
S

SunView 深度解读

该技术对于提升阳光电源组串式逆变器及户用光伏系统中的DC-DC变换效率具有重要参考价值。随着光伏系统向高频化、高功率密度方向发展,窄导通时间下的开关损耗成为制约效率提升的关键瓶颈。该驱动方案通过能量回收技术,能有效降低功率器件(尤其是SiC或GaN等宽禁带半导体)的驱动损耗,有助于进一步优化iSolarCloud平台下各产品的能效指标。建议研发团队关注该拓扑在高性能Buck电路中的应用,以提升系统整体转换效率和热管理性能。