Infineon BTS51202EKAXUMA1: Smart High-Side Power Switch for Advanced Automotive and Industrial Applications

Modern automotive and industrial systems demand robust, intelligent power management solutions that ensure reliability, efficiency, and diagnostic capabilities. The Infineon BTS51202EKAXUMA1 stands out as a state-of-the-art smart high-side power switch engineered to meet these rigorous requirements. Combining high-performance power switching with integrated protection and monitoring features, this device is ideal for driving resistive, capacitive, and inductive loads in applications such as automotive body control modules, industrial automation systems, and power distribution units.

A key strength of the BTS51202EKAXUMA1 lies in its exceptional integration and diagnostic functionality. The device incorporates a 16 mΩ typical on-state resistance, enabling efficient power handling with minimal heat dissipation. This low RDS(on) is critical for reducing energy losses and improving overall system efficiency, particularly in high-current applications. Additionally, the switch supports a wide operating voltage range from 5.5 V to 40 V, making it suitable for both 12 V and 24 V automotive and industrial systems.

The BTS51202EKAXUMA1 is designed with advanced protection mechanisms to ensure operational safety and longevity. These include overcurrent protection with adjustable current limiting, overtemperature shutdown, and overvoltage protection. The device also features reverse battery protection up to -40 V, safeguarding the system against accidental reverse polarity connections—a common risk in automotive environments. Furthermore, its embedded diagnostic capabilities provide real-time feedback on load current, short-circuit conditions, and overtemperature events, enabling predictive maintenance and enhanced system reliability.

Another notable aspect is its compact and thermally efficient PG-DSO-14 package, which offers excellent thermal performance and facilitates space-constrained PCB designs. The switch also supports PWM capability for proportional load control, making it versatile for various driving strategies. With its AEC-Q100 qualification, the BTS51202EKAXUMA1 meets the stringent quality standards required for automotive electronics, ensuring durability under harsh operating conditions.

ICGOODFIND: The Infineon BTS51202EKAXUMA1 is a highly integrated smart high-side switch that delivers superior performance, robust protection, and comprehensive diagnostics for demanding automotive and industrial applications. Its combination of low on-state resistance, wide voltage range, and advanced features makes it an optimal choice for modern power management designs.

Keywords:

Smart High-Side Switch

Automotive Power Management

Integrated Diagnostics

Overcurrent Protection

AEC-Q100 Qualified