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Japan's Denso pushes EV efficiency with new power semiconductors

In-house chip design is 30% smaller and loses 20% less energy

An electric vehicle charges at the 2022 Bangkok International Motor Show. Power semiconductor devices have a big impact on EV performance.   © Reuters

NAGOYA -- Top Japanese auto parts supplier Denso has developed a power semiconductor device for electrified vehicles that can reduce energy loss by 20%, seeking a bigger role in the technologies that make electric vehicles stand apart in a crowded market.

Power chips, along with analog semiconductor devices that monitor battery health, are vital to electric vehicle performance. Denso is stepping up in-house development and production of these components rather than outsourcing design and manufacturing, as it does with other automotive chips.

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