80/100-V Power MOSFETs Feature Low On-Resistance and AEC-Q Qualification

April 18, 2025

Taiwan Semi’s latest single- and dual-output, automotive-grade devices offer what’s claimed as the industry’s best figure of merit for high-speed-switching in commercial and industrial apps.

Lee Goldberg

Related To:

Electronic Design

The PerFET family of power MOSFETs crafted by Taiwan Semiconductor now includes a pair of 80- and 100-V N-channel power devices that offer a best-in-class figure of merit (FOM: R_DS(on)*Q = 184) and 175°C avalanche rating. The AEC-Q-qualified PerFETs’ low on-resistance (R_DS(on)) reduces conduction losses, and their very low gate charge (Q_g) suits them for automotive power applications as well as commercial and industrial designs where efficiency and reliability are important.

The 100-V PerFET series comprises six devices, with single-output current ratings of 50 to 100 A and dual-outputs rated at 31 A. Target applications are 48-V automotive, switch-mode power supplies (SMPS), server and telecom, DC-DC converters, motor drives, and polarity switches.

The new 80-V PerFET series also offers six devices with single-output models maintaining current ratings of 33 to 110 A, and dual-output models with ratings of 31 to 33 A. They’re well-suited for use in ideal diodes, USB-PD and type-C charger/adapters, UPS, solar inverters, LED lighting, and telecom power.

PerFET devices are housed in TSC-designed, industry-standard-size (5 × 6 mm) PDFN56U (single/dual) packages. A wettable flank improves solder joint reliability and AOI accuracy during PCB assembly. All of the MOSFETs are available now, with samples in stock and 16-week delivery of production quantities.

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About the Author

Lee Goldberg | Contributing Editor

Lee Goldberg is a self-identified “Recovering Engineer,” Maker/Hacker, Green-Tech Maven, Aviator, Gadfly, and Geek Dad. He spent the first 18 years of his career helping design microprocessors, embedded systems, renewable energy applications, and the occasional interplanetary spacecraft. After trading his ‘scope and soldering iron for a keyboard and a second career as a tech journalist, he’s spent the next two decades at several print and online engineering publications.

Lee’s current focus is power electronics, especially the technologies involved with energy efficiency, energy management, and renewable energy. This dovetails with his coverage of sustainable technologies and various environmental and social issues within the engineering community that he began in 1996. Lee also covers 3D printers, open-source hardware, and other Maker/Hacker technologies.

Lee holds a BSEE in Electrical Engineering from Thomas Edison College, and participated in a colloquium on technology, society, and the environment at Goddard College’s Institute for Social Ecology. His book, “Green Electronics/Green Bottom Line - A Commonsense Guide To Environmentally Responsible Engineering and Management,” was published by Newnes Press.

Lee, his wife Catherine, and his daughter Anwyn currently reside in the outskirts of Princeton N.J., where they masquerade as a typical suburban family.

Lee also writes the regular PowerBites series.