Infineon BTT6020-1ERA: A High-Side Smart Switch for Robust Automotive and Industrial Applications

In the demanding worlds of automotive electronics and industrial automation, reliability, efficiency, and diagnostic capability are paramount. The Infineon BTT6020-1ERA stands out as a premier high-side smart switch engineered specifically to meet these rigorous challenges. This device is a robust, single-channel, power PROFET™ (Protected MOSFET) switch designed to control loads such as motors, valves, heaters, and lamps with exceptional precision and protection.

At its core, the BTT6020-1ERA integrates a vertical N-channel power MOSFET with a continuous current capability of up to 1.3 A. Its high-side configuration simplifies design by connecting the load between the output and ground, eliminating the need for a charge pump and reducing overall system complexity. A key feature is its extremely low standby current, which is critical for modern automotive applications where minimizing power consumption during sleep modes is essential for meeting stringent energy requirements.

The "smart" functionality of this switch is what truly sets it apart. It offers a comprehensive suite of advanced diagnostic and protection features. These include:

Load Current Feedback: An analog proportional current sense (IS) pin provides real-time monitoring of the load current, enabling precise control and early detection of anomalies.

Overload and Short-Circuit Protection: The device actively protects itself and the downstream load by limiting the output current in case of a fault.

Overtemperature Shutdown: An integrated temperature sensor shuts down the switch if the junction temperature exceeds a safe threshold, restarting automatically once it has cooled.

Overvoltage Protection (Clamp): Protects against voltage transients common in automotive environments, such as load dump events.

Open Load Detection: Can detect an open load both in on-state and off-state, which is crucial for safety-critical applications like lighting.

The BTT6020-1ERA is housed in a compact, surface-mountable PG-TO252-5-11 (DPAK) package, offering excellent thermal performance for its footprint. Its AEC-Q100 qualified status guarantees its reliability for use in the harsh underhood and cabin environments of automobiles, where temperature extremes and vibrations are the norm. Furthermore, its robustness makes it equally suitable for 24V industrial systems, controlling actuators, solenoids, and other inductive loads.

ICGOOODFIND: The Infineon BTT6020-1ERA is a highly integrated and intelligent high-side switch that delivers superior performance, robust protection, and detailed diagnostics. It simplifies design, enhances system reliability, and is an ideal solution for driving a wide array of resistive and inductive loads in the challenging conditions of automotive and industrial applications.

Keywords:

High-Side Switch

Automotive Grade (AEC-Q100)

Diagnostic Features

Protected MOSFET (PROFET)

Load Current Monitoring