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FOR IMMEDIATE RELEASE No. 3344

TOKYO, March 25, 2020 - Mitsubishi Electric Corporation (TOKYO: 6503) announced today that it has developed a new technology to integrate power devices, passives, sensors and other embedded components in the same substrate, which the company deployed in a 100kW (continuous) bidirectional DC-DC converter to achieve what is believed to be the world's most power-dense* power converter, rated at 136kW/L, or eight times more power dense than conventional converters. The new technology is expected to contribute to the downsizing of power electronics equipment.

  1. *According to Mitsubishi Electric research as of March 25, 2020
Demonstrator of new 136kW/L (24×18×1.7cm) high-power-density power c

Key Features

Mitsubishi Electric's new integration technology enables the parasitic inductance of the switching current loop to be reduced to less than 1/10th that of conventional converters. The resulting clean switching allows high-speed commutation for high-operating frequencies in silicon-carbide (SiC) metal-oxide semiconductor field-effect transistors (MOSFETs). The technology leads to considerably smaller passive components, such as reactors for current smoothing, and capacitors, which take up much space in DC-DC converters.

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