Infineon BTS50025-1TEA: High-Current Smart Switch for Advanced Automotive and Industrial Applications

In the rapidly evolving landscape of power electronics, the demand for robust, intelligent, and highly efficient switching solutions is paramount. Addressing this need, Infineon Technologies introduces the BTS50025-1TEA, a state-of-the-art high-current PROFET™ (Protected MOSFET) smart switch engineered to set new benchmarks in performance for the most demanding automotive and industrial systems.

This device is specifically designed to control heavy resistive or inductive loads with a continuous current rating of up to 25 A. Its core is built around a vertical N-channel power MOSFET, which provides an exceptionally low typical on-state resistance (R_DS(on)) of just 5.5 mΩ. This minimal resistance is a key contributor to its high efficiency and significantly reduced power dissipation, enabling cooler operation and enhancing the overall reliability of the application.

Beyond its raw switching power, the "smart" in its designation comes from a comprehensive suite of integrated protection and diagnostic features. These include:

Overload and Short-Circuit Protection: Safely limits output current in fault conditions.

Overvoltage Protection: Includes active clamp and avalanche ruggedness.

Overtemperature Protection: Shuts down the device to prevent thermal runaway.

Advanced Diagnostic Functions: Provides precise feedback on status, including current sense with a programmable gain amplifier, load current open-circuit detection, and overtemperature warning.

These capabilities make the BTS50025-1TEA an ideal solution for a vast array of applications. In the automotive domain, it is perfect for driving actuators, heaters, and body control modules. In industrial settings, it excels in managing motor controls, solenoid valves, and power distribution units.

The device comes in a compact, surface-mountable TO-263-7 (D2PAK) package, offering an excellent power-to-size ratio and simplifying PCB design. Its AEC-Q100 qualification ensures it meets the stringent reliability standards required for automotive electronics, providing designers with the confidence to deploy it in safety-critical systems.

ICGOOODFIND: The Infineon BTS50025-1TEA stands out as a superior smart high-side switch, masterfully combining high current handling, exceptional efficiency, and robust integrated protection. It empowers engineers to design more reliable, compact, and intelligent systems for the challenging environments of modern automotive and industrial applications.

Keywords:

PROFET™ Smart Switch

High-Current (25A)

Low R_DS(on)

Integrated Protection

AEC-Q100 Qualified