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Mitsubishi Electric's newly developed Smart-1 series IGBT module made its debut at the PCIM 2011 Asia Exhibition (Booth No. A78-A87), held from June 21st at the Shanghai International Convention Center, alongside its well-known V1 series IPM. This new generation of power modules showcases advanced inverter technology, offering customers compact, low-loss, and high-capacity solutions that have been widely praised in the industry.
The Smart-1 series IGBT modules leverage 6th-generation CSTBTTM silicon technology combined with automated crimp assembly methods. This results in a lower saturation voltage, reduced power loss, and improved thermal performance, with junction temperatures reaching up to 175°C and operational temperatures up to 150°C. These features make them ideal for industrial motor drives and servo systems.
The Smart-1 series includes two main circuit topologies: CIB (Converter Inverter Brake) for rectifying, inverting, and braking, and the 6-in-1 module. The CIB module operates at current levels of 15A–35A with a voltage of 1200V, while the 6-in-1 module supports 25A–50A at 1200V. These modules are designed for high efficiency and reliability in demanding industrial applications.
In recent years, the use of frequency converters has become widespread in industrial motor control systems, driven by the need for energy efficiency. Inverters typically rely on IPM modules with built-in drive and protection circuits to switch currents quickly and efficiently. As a result, there is a growing demand for smaller, lower-loss, and higher-performance IPMs.
Mitsubishi Electric introduced the V-series IPM in 1998, and now it’s launching the V1 series, optimized for high-power motors above 37kW and servo drives over 15kW. The V1 series integrates CSTBTTM silicon with low losses, enhanced temperature sensors, and improved power cycle capabilities. Compared to previous models like PM300DV1A120, the V1 series reduces power loss by approximately 20% and enhances temperature monitoring for better protection.
For renewable energy systems such as solar power, where space is critical, Mitsubishi Electric has introduced the PV-IPM. This compact module helps reduce the size of power converters used in residential solar systems. It can also be applied in fuel cell systems, with a 30% reduction in footprint compared to earlier versions. The PV-IPM comes in 4-, 5-, and 6-unit configurations, supporting various circuit topologies and current ratings of 50A and 75A.
To address the growing demand for large-scale renewable energy systems, Mitsubishi Electric launched the New-MPD series IGBT modules. Designed for megawatt-level power conversion devices, these modules offer more than 1.5 times the rated current of the original MPD series. The CM2500DY-24S model, with a rating of 2,500A, is the highest-current industrial 2-cell IGBT module available. Its design also improves cooling efficiency through optimized internal layout.
These innovations highlight Mitsubishi Electric's commitment to advancing power electronics for sustainable and efficient energy solutions across industries.
August 24, 2025