This is exciting. Current sensing is becoming more and more critical in applications requiring the most efficient systems to report back valuable information on loads. I am happy to see there are companies out there gaining interest in this sort of IP so I would forecast a step towards increased resource conservation. Considering how efficient EV's and self-sustaining industrial buildings have become in recent years, the sensor market can only be breaching the threshold of impressive expansion; since most cars on the road still pollute with combustion engines and many factories herein carry the same output characteristics, I would be surprised if this market picks up speed.
Excellent article. Low cost, good power management and compact design are all compelling advantages for these applications. Along with the control advantages of course. Will be interested to see specific applications that can use this technology.
I just finished a current sensing application last Summer. I've been itching to use a Hall effect since then, but haven't had a chance. Having an isolated solution with no power draw would have been beautiful on my last product. NVE has some great products to use, as well as a part that includes a current trace inside the package.
I'm ahead of the curve, it seems. A few years ago, I used the hall-effect to sense current in a 3-phase DC motor (for a fuel pump on a UAV). It worked out well for the application.
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