Infineon BTS7120-2EPA: High-Side Intelligent Power Switch for Automotive and Industrial Applications

In the demanding environments of automotive and industrial systems, reliable and efficient power switching is crucial. The Infineon BTS7120-2EPA stands out as a highly integrated dual-channel intelligent high-side power switch designed to meet these rigorous requirements. Combining robust performance with advanced protective features, this device simplifies design while enhancing system safety and durability.

A key strength of the BTS7120-2EPA is its ability to drive resistive or inductive loads with currents up to 3.5 A per channel. It operates from a wide supply voltage range, making it suitable for both 12 V and 24 V systems commonly found in automotive applications like steering aids, powertrain systems, and body control modules, as well as in industrial automation for controlling actuators, solenoids, and small motors.

The "intelligent" aspect of this switch is realized through its comprehensive suite of integrated protection features. These include protection against overload, short-circuit, over-temperature, and over-voltage conditions. The device also provides diagnostic feedback to a microcontroller via a dedicated status pin, reporting issues like open-load detection, overtemperature warnings, and fault conditions. This capability is vital for functional safety and predictive maintenance, enabling systems to react to or preempt failures.

Furthermore, the BTS7120-2EPA offers extremely low standby current, a critical parameter for automotive applications where energy efficiency is paramount, especially in always-on systems. Its compatibility with 3.3 V and 5 V logic-level microcontrollers ensures easy integration into modern electronic architectures without additional level-shifting components.

ICGOOODFIND: The Infineon BTS7120-2EPA is a robust and intelligent solution that significantly enhances system reliability. Its high integration of power channels and protective logic reduces external component count, saves board space, lowers total cost, and accelerates time-to-market for demanding automotive and industrial designs.

Keywords:

Intelligent Power Switch

High-Side Drive

Automotive Applications

Diagnostic Feedback

Integrated Protection