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Nexperia’s new Application-Specific MOSFETs (ASFETs) for hot-swap increase SOA by 166% and slash PCB footprint by 80%
New 80V & 100V devices minimize derating and improve current sharing for optimum performance, high reliability and reduced system cost

Nexperia, the expert in essential semiconductors, today announced new 80 V and 100 V ASFETs with enhanced SOA performance, targeting hot-swap & soft-start applications in 5G telecom systems & 48 V server environments and industrial equipment needing e-fuse and battery protection.

ASFETs are a new breed of MOSFET optimized for use in particular design scenarios. By focusing on specific parameters critical to an application, sometimes at the expense of others that are less important in the same design, new levels of performance can be achieved. The new hot-swap ASFETs use a combination of Nexperia’s latest silicon technology and copper-clip package construction to significantly strengthen the Safe Operating Area (SOA) and minimize PCB area.

Previously, MOSFETs have suffered from the Spirito effect, whereby the SOA performance drops off rapidly due to thermal instability at higher voltages. Nexperia’s rugged, enhanced SOA technology eliminates the ‘Spirito-knee’, increasing SOA by 166 % at 50 V when compared to previous generations in D2PAK.

Another important advancement is the inclusion of 125 °C SOA characteristics on the datasheet. Comments Mike Becker, Senior International Product Marketing Manager at Nexperia: “SOA is traditionally only specified at 25 °C, meaning designers have to derate for operation in hot environments. Our new hot-swap ASFETs include a 125 °C SOA specification, eliminating this time-consuming task and confirming Nexperia’s excellent performance even at elevated temperatures”. 

The new PSMN4R2-80YSE (80 V, 4.2 mΩ) and PSMN4R8-100YSE (100 V, 4.8 mΩ) hot-swap ASFETs are packaged in the Power-SO8 compatible LFPAK56E.  The unique internal copper-clip construction of the package improves thermal and electrical performance whilst substantially reducing footprint size.  The new LFPAK56E products are just 5 mm x 6 mm x 1.1 mm, offering reductions of 80 % and 75 % for PCB footprint and device height respectively, compared to the D2PAK of previous generations. The devices also feature a maximum junction temperature of 175 °C, meeting IPC9592 regulations for telecoms and industrial applications.

Adds Becker: “A further benefit is improved current sharing in high power applications that demand multiple hot-swap MOSFETs to be used in parallel, improving reliability and reducing system cost. Nexperia is widely recognized as the market leader for hot-swap MOSFETs. With these latest ASFETs, we have again raised the bar.”

The new hot-swap ASFETs are the latest devices to be fabricated on Nexperia’s new 8-inch wafer production plant in Manchester, UK, with capacity ready for volume orders. For more information, including product specs and datasheets, please visit https://www.nexperia.com/products/mosfets/application-specific-mosfets/asfets-for-hotswap-and-soft-start

You can also view this new technology in action at Nexperia’s Power Live Event 21 – 23 September https://www.nexperia.com/power-live

2021081202 / 14.08.2021 / Electronic-components / NEXPERIA /

USB4 ESD devices from Nexperia provide optimum balance of protection and performance
TrEOS based protection offers industry-leading insertion and return loss to help meet tight system budgets

Nexperia launches new portfolio of application specific MOSFETs (ASFETs) for automotive airbags
Provides excellent transient linear mode performance using new SOA trench technology in LFPAK packaging providing designers with a smaller and more reliable choice.

Nexperia widens its offering of discrete components in miniature DFN packaging with side-wettable flanks
Rugged and reliable devices are AEC-Q101 compliant and save board space

Nexperia’s 50 µA Zener diodes portfolio extends battery-time and saves PCB space
The comprehensive product range covers every application from 1.8 V to 75 V

Nexperia introduces a range of A-selection Zener diodes for precise voltage reference with the industry’s lowest tolerance of ±1%
The comprehensive product range covers every application from 2.4 V to 75 V

Nexperia expands its wide bandgap semiconductor offering with new family of high-performance Silicon Carbide (SiC) Diodes
Samples of industrial-grade 650 V, 10 A SiC Schottky diode now available. Parts with 1200 V / 6-20 A current range and automotive-grade parts also planned

Nexperia delivers extremely low clamping bidirectional ESD protection devices for USB4 standard interfaces
TrEOS diodes offer industry-leading insertion loss and return loss characteristics for more robust USB4TM data transmission

Nexperia surface-mount device passes Board Level Reliability requirements for automotive application
Reliable and rugged CFP15B clip-bond FlatPower package selected by leading Tier 1 automotive supplier for use on an engine control unit

Nexperia launches ‘Power Live’ September 21-23 2021
Participate in live discussions on GaN, MOSFETs, power diodes and bipolar transistors for automotive and industrial applications; View on-demand video demos direct from Nexperia’s labs

Nexperia receives Bosch Global Supplier Award for the second time in a row
The prestigious award for ‘Purchasing of direct materials – Mobility Solutions’ recognizes Nexperia’s collaborative partnership with Bosch

Nexperia’s new Application-Specific MOSFETs (ASFETs) for hot-swap increase SOA by 166% and slash PCB footprint by 80%
New 80V & 100V devices minimize derating and improve current sharing for optimum performance, high reliability and reduced system cost

World’s smallest and thinnest standard logic DHXQFN packages from Nexperia in 14, 16, 20 and 24 pins
New packages enable large logic functions to be included in small form factor systems

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ENERGETAB 2021 Poland, Bielsko Biala, 14.9.-16.9.2021


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ANRITSU



Calendary
International Engineering Fair, 4.-7.10. 2022, Brno, CZ
electronica 2022, 15.11.-18.11.2022, München, DE
DistribuTECH, 7.2.-9.2.2023, San Diego, CA
AUTOMATICON 2023, 7.3.-9.3.2023, Warsaw, PL
DistribuTECH, 23.1.-25.1.2024, Indianapolis, IN
DistribuTECH, 11.2.-13.2.2025, Dallas, TX

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