The Melexis TH8056KDCA is a single-chip transceiver for automotive LIN (Local Interconnect Network) bus systems. This device is designed to meet the stringent requirements of automotive applications, providing reliable and robust communication between electronic control units (ECUs) within a vehicle. It integrates a LIN transceiver, voltage regulator, and wake-up functionality into a single package, simplifying system design and reducing component count.

Applications

• Automotive body control modules: Used for controlling lights, wipers, and door locks.
• Automotive sensor interfaces: Provides communication for temperature, pressure, and position sensors.
• Automotive actuator control: Controls actuators such as motors, valves, and relays.
• Automotive HVAC systems: Manages communication between HVAC components.
• Industrial LIN bus systems: Suitable for various industrial applications requiring LIN communication.

Features

• LIN 2.1, LIN 2.2, and SAE J2602 Compliant: Meets the latest LIN standards for automotive communication.
• Integrated LIN Transceiver: Provides bidirectional communication over the LIN bus.
• Integrated Voltage Regulator: Supplies power to the microcontroller and other components.
• Wake-Up Functionality: Allows the ECU to be woken up via the LIN bus.
• Low Power Consumption: Minimizes power consumption in standby mode.
• Short Circuit Protection: Protects the device from damage due to short circuits on the LIN bus.
• Overtemperature Protection: Prevents overheating and ensures the device operates within safe temperature limits.

Benefits

• Simplified System Design: High integration reduces component count and simplifies circuit design.
• Improved Reliability: Robust protection features enhance system reliability and prevent component failure.
• Reduced Power Consumption: Low power consumption extends battery life in automotive applications.
• Compliance with LIN Standards: Ensures compatibility with existing and future LIN bus systems.
• Cost-Effective Solution: Provides a cost-effective solution for automotive LIN communication.

Additional Details

The TH8056KDCA operates from a supply voltage of 7V to 18V and supports a LIN bus voltage of up to 28V. The integrated voltage regulator provides a stable 5V output. The device features a low standby current, typically less than 10 μA. It also includes a built-in slope control to minimize electromagnetic emissions. The package is a standard SOIC (Small Outline Integrated Circuit) package, suitable for surface mount technology. The operating temperature range is typically -40°C to +125°C. The device also incorporates a watchdog timer to monitor the microcontroller's operation and prevent system lock-ups.