PrestoMOS is ROHM’s Power, Super Junction MOSFET

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ROHM’s New PrestoMOS is Series of 600V Super Junction MOSFETs Enables Improve Energy Savings for Inverters in AC Systems

ROHM recently announced a new lineup of its PrestoMOSTM series, R60xxJNx series, of 600V super junction MOSFETs that includes 30 new models. This series increases design flexibility while maintaining the industry’s fastest reverse recovery time (trr) optimized for EV charging stations and motor drive in home appliances such as refrigerators and Air Conditioners (ACs).

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Reports show that close to 50% of the total power demand worldwide is used to drive motors, and with the continued spread of electrical appliances in emerging and developing countries, this percentage is expected to only increase. IGBTs are commonly used as switching elements in inverters that drive motors in home appliances such as refrigerators and ACs. Recent trends towards improving energy savings has driven the demand in a variety of applications for MOSFETs with reduced power consumption during steady state operation.

To meet this need, ROHM launched the PrestoMOSTM series of power MOSFETs in 2012. This series features the industry’s fastest reverse recovery characteristics, achieving lower power consumption. As with our conventional products, this new series leverages our proprietary lifetime control technology to achieve ultra-fast trr. This enables a reduction in power loss of about 58% at light loads when compared with IGBT implementations.

Additionally, raising the reference voltage needed to turn ON the MOSFET prevents self turn-ON, which is one of the main causes of loss. Furthermore, optimizing the characteristics of the built-in diode allowed us to improve the soft recovery index specific to super junction MOSFETs, which reduces noise that can lead to malfunctions. Eliminating these barriers to circuit optimization provides customers with greater design flexibility.

Features :-

  • Fastest reverse recovery time (trr)
  • High switching speed and low conduction loss in the relatively low current condition.
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