纳芯微 on 如是有为https://sensor.fans/tags/%E7%BA%B3%E8%8A%AF%E5%BE%AE/Recent content in 纳芯微 on 如是有为HugozhSun, 18 Oct 2026 20:27:13 +0800纳芯微电流传感器：车上要测大电流，为什么还要盯着发热？https://sensor.fans/posts/wechat-x5luzjmof5xzbglbtrpmdg/Sat, 17 Oct 2026 11:14:00 +0800https://sensor.fans/posts/wechat-x5luzjmof5xzbglbtrpmdg/<p>电动汽车的车载充电机和直流变换器，需要知道电流正在怎样变化。测量结果既关系到控制，也关系到过流保护；但传感器如果自身发热过多，又会给系统增加负担。</p>