HomeEnergy Storage ›Alpha and Omega Semiconductor Launches 600V 50mohm Super Junction MOSFETs Family

Alpha and Omega Semiconductor Launches 600V 50mohm Super Junction MOSFETs Family

αMOS7™ is AOS’ next generation high voltage MOSFET, designed to meet the high efficiency and high-density needs of servers, workstations, telecom rectifiers, solar Inverters, EV charging, motor drives and industrial power applications.

May 06, 2023. By News Bureau

Alpha and Omega Semiconductor Limited (AOS) announced the release of 600V αMOS7™ Super Junction MOSFETs Family.

αMOS7™ is AOS’ next generation high voltage MOSFET, designed to meet the high efficiency and high-density needs of servers, workstations, telecom rectifiers, solar Inverters, EV charging, motor drives and industrial power applications.

 

Server power supply requires Titanium efficiency, which translates to more than 98.5% peak efficiency on both PFC and LLC stages. Active-Bridges and Bridgeless designs are easy-to-implement solutions; however, switching and driving losses, especially at light load, are still the main problems designers face. Existing technologies limited by large cell pitches and charges could hardly meet such requirements.

Next-gen SJ technologies with reduced charge but also enough robustness is in demand. Low Qrr and Trr for LLC and PSFB applications are also a must during transient and abnormal situations. AOS αMOS7™ High Voltage SJ MOSFET is the best answer for above needs.

For Solar applications, low ohmic SMD devices are becoming the new standards, aiming for reduced form factors through utilizing 3D mechanical and thermal designs. αMOS7™ provides a wide Rdson granularity and SMD package choices, such as DFN, TOLL, and Top-cooling variants.

For low Fsw applications such as Solid-State Relays or Active Bridges, FETs must meet specific SOA requirements to sustain surge and in-rush currents. αMOS7™ ensures low Rdson’s temperature coefficient and ruggedness for transient voltage and current overstresses.

“The new charge balance structure makes it possible to further reduce the active area up to 50%, compared to αMOS5™, our existing solution. In general, αMOS7™ is an industry-leading high voltage SJ solution designed to address both efficiency-driven and cost-driven markets,” said Richard Zhang, Senior Director of Product Line and Global Power Supply businesses at AOS.

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