Current sensor integrated into power module

Asahi Kasei Microdevices  (AKM) and Silicon Austria Labs GmbH (SAL) have completed a joint proof of concept for integrating a current sensor into a power module to be used in automotive applications such as traction inverters and DC-DC converters.

The technology enables energy efficiency, as well as compact and lightweight design for high current applications using  SiC power devices.

Current sensor integrated into power module

Market demand for downsized, lightweight solutions with high-resolution current sensing is on the rise for more efficient inverter systems in xEVs. To meet this need, AKM is developing the EZ232L, a linear Hall IC for coreless current sensors.


With its high resolution and accuracy, this technology enhances the efficiency of traction inverters that require operation over a wide current range.


AKM collaborated with the Austrian research centre SAL to conduct a joint technical verification, using EZ232L to develop a power module that integrates a current sensor in order to address the limitations of conventional magnetic core-based current sensing. .

The two companies are exploring further collaboration, anticipating a positive impact on the market.

David Manners

David Manners

David Manners has more than forty-years experience writing about the electronics industry, its major trends and leading players. As well as writing business, components and research news, he is the author of the site's most popular blog, Mannerisms. This features series of posts such as Fables, Markets, Shenanigans, and Memory Lanes, across a wide range of topics.

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