Infineon TLE75242-ESD: A High-Performance System Basis Chip for Automotive Applications

The increasing complexity of modern vehicle electronics demands highly integrated, robust, and reliable components. Infineon Technologies addresses this challenge with the TLE75242-ESD, a sophisticated System Basis Chip (SBC) engineered to serve as the central power and communication hub for automotive electronic control units (ECUs). This device is particularly vital in safety-critical applications such as advanced driver-assistance systems (ADAS), powertrain, and chassis control modules, where performance and dependability are paramount.

At its core, the TLE75242-ESD excels in power management. It features multiple high-efficiency voltage regulators, including a primary 5V/300mA supply for a microcontroller and a dedicated 3.3V/300mA low-dropout (LDO) regulator for peripheral components. This ensures stable and clean power delivery, which is crucial for the precise operation of sensitive microcontrollers and sensors. A key highlight is its integrated LIN (Local Interconnect Network) system basis chip transceiver, which provides a robust and cost-effective serial communication interface for connecting sub-nodes within the vehicle network. This integration significantly reduces the external component count, leading to a smaller PCB footprint, lower system cost, and enhanced overall reliability.

Beyond its core functions, the TLE75242-ESD is designed with the harsh automotive environment in mind. It boasts exceptional electrostatic discharge (ESD) protection and is AEC-Q100 qualified, guaranteeing its performance under extreme temperatures and demanding operating conditions. The chip incorporates a comprehensive suite of diagnostic and protection features, such as over-voltage, under-voltage, and over-temperature monitoring. These features enable proactive system management and contribute to achieving the high levels of functional safety required by standards like ISO 26262. Its fail-safe operation ensures that the system can react predictably even in the event of a fault, enhancing vehicle safety.

In summary, the Infineon TLE75242-ESD stands out as a comprehensive solution that consolidates power supply, communication, and safety functions into a single, robust package. It empowers automotive designers to build more compact, efficient, and reliable ECUs, accelerating the development of next-generation intelligent vehicles.

ICGOO

D FIND

The TLE75242-ESD integrates power management, a LIN transceiver, and robust safety features into a single chip, making it an ideal, space-saving foundation for building dependable automotive ECUs in demanding applications.

Keywords:

1. System Basis Chip (SBC)

2. Power Management

3. LIN Transceiver

4. AEC-Q100 Qualified

5. Functional Safety