Nexperia continues to enhance the performance of key MOSFETs (metal-oxide-semiconductor field-effect transistors) in its devices to meet application-specific requirements to create leading-edge ASFETs (ASFETs are MOSFETs specifically designed and optimized for use in a given application). Since the introduction of the ASFET, product optimization upgrades for applications such as battery isolation (BMS), DC motor control, Power over Ethernet (POE), and automotive airbags have been successful.

Inrush currents pose reliability challenges for hot-swap applications, and Nexperia has designed a comprehensive upgrade specifically for such applications with a portfolio of ASFETs for hot-swap and soft-start with enhanced SOA performance. Compared to previous technologies, the PSMNR67-30YLE ASFETs improve SOA (12V @100mS) performance up to 2.2x, with RDS(on) (maximum) as low as 0.7mΩ. The new devices not only eliminate the Spirito effect (expressed as a steeper sloping downward curve in the higher voltage region of the SOA curve) compared to unoptimized devices but also maintain the entire voltage and temperature range. It also maintains excellent performance over the entire voltage and temperature range.

Nexperia further supports designers by fully characterizing the new devices at 125°C and providing SOA data curves at high temperatures, eliminating the need for thermal derating designs.

Eight new products (three 25V and five 30V) are now available in either the LFPAK56 or LFPAK56E package with an RDS(on) range of 0.7mΩ to 2mΩ for most hot-plug and soft-start applications. The other two 25V products have a lower RDS(on) of 0.5mΩ and are expected to be released in the next few months.

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Nowi was established in 2016. Its main products are energy harvesting power management chips. Its chips can effectively manage the weak energy collected from the environment and provide IoT sensors, electronic tags, smart bracelets and other scenarios. energy support.

According to reports, Nowi’s PMIC combines an ultra-small PCB package, ultra-low BOM cost, and excellent average acquisition performance. With Nexperia’s manufacturing capabilities and its strong global infrastructure, Nowi is able to accelerate the production process of these solutions and quickly enable larger-scale production and shipping in late 2022 and early 2023.

Nexperia executive Dan Jensen said that the acquisition of Nowi is a strategically important investment because energy harvesting perfectly complements Nexperia’s existing power management capabilities, and the decision means Nexperia is now It can provide sustainable battery alternatives for customers’ products and help their products to market quickly.

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