Infineon BTS50040-2SFA: A High-Performance Smart High-Side Power Switch for Automotive and Industrial Applications

The demand for robust, efficient, and intelligent power switching solutions continues to grow across automotive and industrial sectors. Addressing this need, the Infineon BTS50040-2SFA stands out as a high-performance smart high-side power switch designed to deliver superior reliability and control in demanding environments.

Integrating advanced functionalities, this device combines a low on-state resistance (RDS(on)) with a high current capability of up to 40 A, ensuring minimal power losses and enhanced thermal performance. Its embedded protection features include over-load detection, short-circuit protection, over-temperature shutdown, and over-voltage clamp, which collectively safeguard both the switch and the connected load under abnormal conditions. The diagnostic feedback capability via the status output pin allows for real-time monitoring of the system’s health, enabling predictive maintenance and reducing downtime.

The BTS50040-2SFA is particularly suited for automotive applications such as powertrain systems, electric power steering, and battery management, where durability under harsh conditions is critical. In industrial settings, it excels in controlling actuators, solenoids, and power supplies, thanks to its robust design and compliance with stringent quality standards.

With a green and lead-free product design, this power switch also aligns with modern environmental regulations. Its efficient energy management not only improves system performance but also contributes to lower emissions and higher sustainability—a key advantage for next-generation electronic architectures.

ICGOOODFIND:

The Infineon BTS50040-2SFA exemplifies innovation in power semiconductor technology, offering a blend of high current handling, integrated protection, and diagnostic intelligence. It is an ideal solution for designers seeking to enhance system efficiency, safety, and reliability in automotive and industrial applications.

Keywords:

Smart High-Side Switch, Automotive Applications, Over-Current Protection, Diagnostic Feedback, Low RDS(on)