Infineon BTS70020-1ESP: High-Current PROFET™ Smart Switch for Robust Automotive Applications

The increasing complexity of automotive electrical systems demands components that deliver not only high performance but also exceptional reliability and diagnostic capabilities. Addressing these needs, Infineon’s BTS70020-1ESP stands out as a premier high-current PROFET™ (Protected FET) smart switch, engineered specifically for the rigorous demands of modern vehicle architectures.

This device integrates a low-ohmic N-channel power MOSFET with advanced protection and monitoring features into a single, compact PG-SSOP-22-13 package. Designed to control a wide array of resistive or inductive loads, it is the ideal solution for driving high-current applications such as heating elements, actuators, and power supplies with a continuous current capability of up to 20 A.

A key strength of the BTS70020-1ESP is its comprehensive suite of embedded protection and diagnostic functions, which are critical for enhancing system safety and reliability. These include protection against overload, short-circuit, and overtemperature conditions. The device also features advanced current sense diagnostics with a programmable accuracy window (kILIS), providing a precise and proportional output current (ILS) that allows the microcontroller to monitor the load status in real-time. This capability is vital for implementing predictive maintenance and functional safety strategies, aligning with standards like ISO 26262.

Furthermore, its robust design ensures optimized electromagnetic compatibility (EMC) and includes protection against reverse polarity and electrostatic discharge (ESD). The combination of high performance and intelligent features makes it a cornerstone for building efficient and fail-safe systems in body control modules, powertrain systems, and battery management units.

ICGOOODFIND: The Infineon BTS70020-1ESP PROFET™ is a highly integrated and intelligent high-side switch that sets a benchmark for power management in automotive environments. Its blend of high-current handling, robust protective features, and precise diagnostic feedback makes it an indispensable component for designing next-generation, reliable automotive applications.

Keywords:

PROFET™ Smart Switch

High-Current Switch

Automotive Applications

Diagnostic Features

Robust Protection