ROHM Co., Ltd. has introduced the RS4P063BPHZG, a 100V MOSFET designed specifically for automotive safety functions and protection circuits. The product offers an expanded Safe Operating Area (SOA) within a standard HPLF5060 package, which is a common design choice in automotive applications.
The RS4P063BPHZG stands out by providing approximately five times the SOA tolerance compared to standard products of similar size under VDS=100V and PW=100 microseconds conditions. This feature enhances reliability in automotive applications that face sudden high-power loads, such as airbag inflator ignition circuits and seat belt pretensioner drive circuits.
The use of the standard 5060-size package streamlines the process for replacement evaluation with current system layouts, ultimately reducing the workload and costs commonly associated with design changes.
The rise in vehicle electrification has increased the need for automotive systems capable of supporting higher voltages and currents. This trend emphasizes the requirement for MOSFETs with higher SOA capabilities, especially during abnormal or emergency operating conditions.
ROHM has previously been successful in providing Wide-SOA products for AI servers and industrial power supplies. Their products have gained recognition by being selected as recommended components by a global cloud platform provider. The new RS4P063BPHZG leverages their existing technology and expertise for automotive applications.
In addition to the RS4P063BPHZG, ROHM is working on developing automotive Wide-SOA MOSFETs in the HPLF8080 and TOLG packages. The company plans to continue expanding its portfolio to further support automotive safety and protection circuits.
The RS4P063BPHZG is suitable for various applications, including airbag inflator ignition circuits, seat belt pretensioner drive circuits, and pyro-fuse drive circuits for battery cutoff. It also serves other automotive safety functions and protection circuits that experience short-duration high-current and high-voltage stress.
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