Infineon BTS50085-1TMA: High-Current Smart High-Side Power Switch for Automotive and Industrial Applications

The demand for robust, efficient, and intelligent power management solutions continues to grow across the automotive and industrial sectors. Addressing this need, Infineon Technologies introduces the BTS50085-1TMA, a high-current smart high-side power switch engineered to deliver superior performance, diagnostic capabilities, and system protection in demanding environments.

Designed to handle high-load currents up to 85 A, this device integrates a vertical N-channel power MOSFET with advanced CMOS control circuitry into a single, compact package. Its low typical on-state resistance (RDS(on)) of just 0.5 mΩ minimizes conduction losses, significantly improving energy efficiency and reducing heat generation. This makes it ideal for applications such as automotive body electronics (e.g., seat heaters, window lifters, and fuel pumps) and industrial automation systems (e.g., motor controls and solenoid drivers).

A key strength of the BTS50085-1TMA is its comprehensive suite of embedded protection and diagnostic features. These include protection against over-load, short-circuit, over-temperature, and over-voltage conditions, ensuring enhanced system reliability and longevity. The device also provides precise current sense feedback proportional to the load current, enabling real-time monitoring without the need for external shunt resistors. This facilitates predictive maintenance and swift fault detection, which is critical for safety-critical applications.

Furthermore, the device supports reverse battery protection and is qualified for the harsh automotive environment, adhering to the AEC-Q100 standard. Its ability to handle high inrush currents, combined with a wide operating voltage range, makes it a versatile solution for 12 V and 24 V DC systems.

ICGOOODFIND:

The Infineon BTS50085-1TMA stands out as a highly integrated, reliable, and efficient solution for controlling high-current loads. Its combination of minimal power dissipation, extensive diagnostic capabilities, and robust protection mechanisms makes it an excellent choice for designers seeking to enhance performance and safety in automotive and industrial power systems.

Keywords:

Smart High-Side Switch, High-Current Load, Automotive Applications, Diagnostic Features, Over-Current Protection.