Portfolio of 150V MOSFETs in advanced package options drive vehicle electrification

Infineon Technologies AG has expanded its OptiMOS 6 portfolio by introducing the automotive 150 V MOSFET family. These new devices are specially created to meet the demanding needs of modern EVs and are available in three advanced package options: TOLL, TOLG, and TOLT.

The new automotive MOSFET family, based on the company's 6th generation OptiMOS technology, provides two different drain-source resistance levels across all device variants. All variants are rated for the 150V voltage class and deliver the lowest RDS(on) available in this class, reaching as low as 2.5mΩ. This allows minimal conduction losses and excellent efficiency. The tight distribution of the gate threshold voltage (VGS(th)) supports optimal synchronisation when multiple MOSFETs are used in parallel configurations, which is particularly relevant for high-power automotive systems. The devices also feature low switching losses at high frequencies, allowing for highly efficient operation in fast-switching applications, such as modern DC-DC converters. In terms of thermal performance, the variants accomplish a thermal resistance as low as 0.4K/W. This greatly improves heat dissipation, reduces system-level cooling requirements, and lowers associated expenses.

Each of the three package types offers specific advantages: the TO-Leadless (TOLL) 10mm x 12mm² enables a compact design. The 10mm x 12mm² TOLG package is footprint-compatible with TOLL, with the extra feature of gullwing leads for high robustness against thermal-mechanical stress. Meanwhile, the 10mm x 15mm² TOLT package features a top-side cooling concept that enables efficient heat dissipation at the system level, making it ideal for thermally demanding applications in space-constrained environments. Moreover, the company's OptiMOS 6 150V MOSFETs are qualified to the highest standards of Infineon Automotive Quality and exceed the requirements of the AEC-Q101 standard. They are also PPAP-capable, making it straightforward to meet the highest automotive production standards. Together, these capabilities enable engineers to optimise system designs for specific performance requirements and budget constraints.