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Mitsubishi Electric to Launch 600V High-voltage Integrated Circuit for Automotive Applications

Mitsubishi Electric Corporation (TOKYO: 6503) announced today it has developed a new 600V high-voltage integrated circuit (HVIC), the M81729FP, for use in voltage converters of electric vehicles (EVs) and hybrid electric vehicles (HEVs). Global sales begin on
April 2.

EVs and HEVs use voltage converters incorporated with power devices to convert high-voltage current, which is used otherwise to power motors, into low-voltage current to power various equipment in the vehicle.

In industrial applications, it is common to drive power devices with HVICs, while automotive applications typically use designated circuits that incorporate comparators and photo couplers for insulation purposes, etc., because of stringent need for guaranteed wide temperature ranges and high reliability. Designated circuits, however, pose challenges in terms of size and reliability.

Mitsubishi Electric's new 600V HVIC achieves a wide guaranteed temperature range of minus 40 to plus 125 degrees C, and offers higher reliability for automotive applications. Such advantages will contribute to the downsizing and higher reliability of EV and HEV voltage converters.

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