Wednesday, July 17, 2024

Industry Leading Low On Resistance 80 V MOSFET For Automotive

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The MOSFET features low package resistance, inductance, and a high avalanche current capability, making it highly suitable for automotive applications.

Infineon Technologies has unveiled the IAUCN08S7N013, the inaugural product in its innovative OptiMOS 7 80 V power MOSFET series. This advanced technology MOSFET is engineered for exceptional power density and is housed in the versatile, durable, and high-current SSO8 5 x 6 mm² SMD package. The series is ideally suited for emerging 48 V board net applications and is tailored for the rigorous demands of automotive applications, including electric vehicle (EV) DC-DC converters, 48 V motor control for systems such as electric power steering (EPS), 48 V battery switches, and electric two- and three-wheelers. 

The key features include:

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  • RDS(on) reduced > 50% from prior best
  • Industry’s best RDS(on)
  • Industry’s best FOM (RDS(on) x Qg)
  • Fast switching times (turn on/off)
  • Low package resistance and inductance
  • High avalanche current capability
  • High SOA ruggedness
  • Excellent thermal performance
  • Extended qualification beyond AEC-Q101
  • Enhanced electrical testing
  • MSL1 up to 260°C peak reflow
  • 175°C operating temperature

It has a more than 50 per cent reduction in RDS(on) compared to its predecessor, achieving an industry-leading maximum of 1.3 mΩ. This improvement results in minimized conduction losses, superior switching performance, and unparalleled power density in a compact 5 x 6 mm² package. It also surpasses the AEC-Q101 standard with an extended qualification for enhanced reliability and performance in demanding automotive environments.

Its design maximises power density while maintaining a small footprint, allowing for efficient cooling. The increased design ruggedness and focus on automotive robustness make it ideal for demanding applications. High-quality production standards for automotive use further enhance its reliability and performance. It has many potential applications, particularly in the automotive sector. It can be used in high-voltage to 48V DC-DC converters in electric vehicles, various 48V systems, and DC-DC converters for 48V to 12V and 48V to 24V conversions.

Its versatility extends to 48V motor control applications such as electric power steering (EPS), braking, suspension, HVAC, and eTurbo systems, as well as 48V heating solutions like catalyst/eCAT, PTC heaters, and windscreen de-icing. The MOSFET is also suitable for other 48V auxiliary loads, 48V pumps and fans, 48V power distribution, and 48V battery management systems (BMS) and battery disconnect. Furthermore, it can be utilized in light electric vehicles, such as 2 and 3 wheelers, for traction inverters and chargers.

Akanksha Gaur
Akanksha Gaur
Akanksha Sondhi Gaur is a journalist at EFY. She has a German patent and brings a robust blend of 7 years of industrial & academic prowess to the table. Passionate about electronics, she has penned numerous research papers showcasing her expertise and keen insight.


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