Littelfuse推出IX3407B隔离栅极驱动器简化大功率设计

Release time:2025-10-09
author:AMEYA360
source:Littelfuse
reading:485

  Littelfuse宣布推出IX3407B单通道电隔离栅极驱动器。该产品专为高压电源应用设计,可提供高速开关性能并简化系统设计。

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  IX3407B栅极驱动器通过独立输出引脚提供高达7A的峰值拉电流和灌电流输出,并集成Littelfuse专有2.5kV电容隔离技术,确保信号完整性与安全性。该器件具备快速传播延迟、高共模瞬态抗扰度(CMTI)及增强的热稳定性,可在宽范围开关频率和温度条件下实现高效可靠的运行。

  “凭借IX3407B,我们的客户能够设计出更安全、更紧凑、更高效的电源系统,”Littelfuse集成电路事业部产品经理June Zhang表示。“在太阳能逆变器、电机驱动器、工业自动化及高效UPS系统等快速增长的市场中,IX3407B将助力企业加速产品上市进程,降低整体系统成本。”

  IX3407B通过在控制级与驱动级之间提供电隔离,解决了低压逻辑与高压功率器件接口的难题,无需采用笨重的光耦合器或基于变压器的隔离方案。这种集成设计不仅节省电路板空间、减少元件数量、降低系统复杂度,同时提供更高的设计灵活性和长期可靠性。

  主要功能与特色:

  · 7A典型峰值拉/灌电流,配备独立输出引脚实现精准栅极控制;

  · 2.5kVrms电容隔离确保可靠电气隔离与高速信号传输;

  · 兼容TTL/CMOS逻辑(3.3V阈值),输入电压容差高达VCC;

  · 主动关断(ASD)与欠压锁定(UVLO)功能防范故障状态;

  · 高达150kV/µs的CMTI等级,支持高噪声工业环境;· 宽输出供电范围(13V-35V)兼容Si/SiC MOSFET及IGBT器件。

  目标应用领域:

  IX3407B适用于广泛的工业和可再生能源应用,包括:

  · 交流与无刷直流电机驱动系统;

  · 太阳能逆变器与储能系统;· 高压直流/直流转换器;

  · LLC与图腾柱式功率因数校正功率级;

  · 感应加热系统、焊接设备及不间断电源(UPS);

  · 楼宇与工厂自动化系统。

  通过替代传统的光耦合器解决方案,IX3407B可提供卓越性能、更小占位面积和更低系统成本,成为工程师设计新一代高效电源系统的理想选择。


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