村田开发并量产公司首款能同时实现高速响应和超高测量精度的无磁芯电流传感器

Release time:2022-09-14
author:Ameya360
source:网络
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  株式会社村田制作所开发并已开始量产同时实现高速响应和超高测量精度的无磁芯电流传感器 “MRD系列”。本产品是本公司提供的村田首款MR 电流传感器。

村田开发并量产公司首款能同时实现高速响应和超高测量精度的无磁芯电流传感器  

  近年来,为了实现脱碳和碳中和,用于工业设备的电机驱动和太阳能发电系统的开发不断取得进展,对负责电能转换的逆变器和DC-DC转换器的高效率化需求不断增加。为此,需要能够以高精度高速测量电流的电流传感器以控制高电能转换。

  迄今为止,为了实现以高精度测量电流,需要使用主要利用磁场的带磁芯电流传感器。但是,由于带磁芯电流传感器需要用于检测磁场的磁芯,导致贴装面积变大,所以还需要将其小型化。

  因此,本公司通过在采用响应性优异的开环方式的同时,使用高灵敏度的TMR元件和特有的校正处理技术,实现了超高测量精度。此外,通过将传感器制成无磁芯类型,使其可以做得更小、更薄。

  主要特长

  通过使用TMR元件,可以在很大的温度范围内进行高精度电流测量;

  采用无磁芯开环方式,实现高速响应、低功耗、小型化和薄化;

  采用消除外部磁场影响的差分方式,有助于防止误动作。

  主要规格

村田开发并量产公司首款能同时实现高速响应和超高测量精度的无磁芯电流传感器

  主要用途

  汽车相关:充电站。

  工业相关:服务器电源分配单元(PDU)、太阳能发电系统电力调节器(PCS)、不间断电源(UPS)、电池管理系统(BMS)电机控制、开关电源(SMPS)、智能电表。

  民生相关:空调、冰箱等配备逆变器的家电、电动工具。


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