Circuit protection specialist Littelfuse has introduced its first series of silicon carbide (SiC) MOSFETs. In March, Littelfuse made a majority investment in the SiC technology development company Monolith Semiconductor. The LSIC1MO120E0080 Series, with a voltage rating of 1,200 V and ultra-low (80 mΩ) on-resistance, is the first SiC MOSFET to be released by the new… Read more »
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Wolfspeed’s new SiC power module is built for harsh environments
Wolfspeed, a specialist in silicon carbide (SiC) power products, has released a new power module that’s designed to withstand high-humidity, high-temperature and high-voltage conditions. The new all-SiC module, rated for 300 A and 1.2 kV blocking, passed a reliability test that subjected it to an environment of 85% relative humidity and 85° C ambient temperature… Read more »
Fuji increases power density with SiC and new packaging technologies
Sponsored by Fuji Electric By: Y. Iwasaki, M. Chounabayashi, M. Nakazawa, S. Iwamoto, Y. Oonishi, M. Hori, H. Kakiki and O. Ikawa, Fuji Electric Co., Ltd. Current market requirements are trending towards further downsizing and increased efficiency of power conversion systems. For this reason, enhanced power density of the power modules will be critical in order… Read more »
Mitsubishi Electric develops ultra-compact SiC inverter for hybrids
Mitsubishi Electric has developed a working model of an ultra-compact silicon carbide (SiC) inverter for hybrid vehicles. The company believes it to be the world’s smallest SiC of its type, with a volume of only 5 liters. Mitsubishi also claims that the new inverter offers the world’s highest power density for two-motor hybrids: 86 kVA/L,… Read more »
Wolfspeed introduces new SiC MOSFET for EV drivetrains
Wolfspeed, a Cree Company, has introduced a 900 V, 10 mΩ MOSFET rated for 196 A of continuous drain current at a case temperature of 25° C. According to the company, this device enables the reduction of EV drivetrain inverter losses by 78 percent. Wolfspeed has already supplied Ford with a full-SiC, 400 A power… Read more »
Infineon acquires Wolfspeed to strengthen its position in SiC-based power solutions
Semiconductor maker Infineon Technologies has agreed to acquire the Wolfspeed Power and RF division of LED manufacturer Cree, for $850 million. The deal also includes the related silicon carbide wafer substrate business. Wolfspeed specializes in silicon carbide-based power and gallium nitride-on-silicon carbide-based RF power solutions. The deal also includes related core competencies in wafer substrate… Read more »
Wolfspeed introduces all-SiC half-bridge power module and gate driver combination
Wolfspeed, a Cree company, has introduced a fully-qualified all-SiC commercial power module. The 62 mm module is designed to offer high efficiency and power density for high-current power electronics such as converters/inverters, motor drives and other EV components. According to Wolfspeed, the new module achieves efficiency of over 98%, allowing system designers to realize systems… Read more »
Siemens introduces VersiCharge SG, a WiFi-enabled, cloud-based charging station
There’s a new macro trend occurring with electricity rate structures. In an effort by utilities to match their real-time costs with pricing models, new variable rates are being tested and implemented. The problem is that the cost to generate and distribute power is extremely variable, and has a lot to do with what’s happening on… Read more »
Railcar traction inverter with SiC power modules achieves 40% power savings
Mitsubishi Electric Corporation, which has been testing a traction inverter made with silicon carbide (SiC), has announced that the component has demonstrated a savings in power consumption of around 40%. The traction inverter was installed in a 1000 series urban train in commercial service with a Japanese railroad, and was tested over a four-month period…. Read more »
Siemens introduces VersiCharge Smartgrid Wi-Fi-enabled charging station
Siemens’s new VersiCharge Smartgrid (SG) is a Wi-Fi-enabled charging station that allows residential owners to monitor and control usage remotely through a mobile app. Users can automatically turn charging on or off, schedule charging when rates are lowest, and view past power consumption data in graphical form. The cloud-based charging station can also interact with… Read more »
