The ATA6602-PLQW is a LIN bus transceiver from Microchip (formerly Atmel), designed for in-vehicle networking applications. This device facilitates communication between nodes in a Local Interconnect Network (LIN) bus system, commonly used in automotive electronics for body control, comfort, and diagnostic functions. It serves as an interface between a microcontroller and the LIN bus, handling the physical layer requirements for data transmission and reception.

Applications:

• Automotive body control systems (e.g., door locks, window lifts, lighting control)
• Automotive comfort systems (e.g., climate control, seat adjustment)
• Automotive sensor networks (e.g., temperature sensors, pressure sensors)
• Industrial control systems using LIN bus communication
• Diagnostic interfaces in automotive applications

Features:

• LIN bus transceiver compliant with LIN specification 2.x and SAE J2602
• Low power consumption in sleep mode
• Overtemperature protection
• Short circuit protection to ground and battery voltage
• Integrated termination resistor for LIN bus
• Wake-up capability via LIN bus
• Optimized for automotive applications with wide supply voltage range
• Provides physical layer interface for LIN communication
• Controlled output slew rate for reduced EMI

Benefits:

• Reliable LIN bus communication in harsh automotive environments
• Reduced power consumption in sleep mode, extending battery life
• Protection against overtemperature and short circuits, enhancing system robustness
• Simplified system design with integrated termination resistor
• Remote wake-up capability, enabling efficient power management
• Compliant with industry standards for LIN bus communication, ensuring interoperability
• Minimized electromagnetic interference (EMI) due to controlled output slew rate
• Cost-effective solution for LIN bus applications

Additional Details:

The ATA6602-PLQW operates with a supply voltage range typically between 8V and 18V, making it suitable for automotive battery systems. It features a dedicated pin for wake-up functionality, allowing the microcontroller to be awakened remotely via the LIN bus. The device incorporates various protection mechanisms, including overtemperature shutdown and short-circuit protection, to ensure reliable operation in harsh automotive environments. The integrated termination resistor simplifies the design process and reduces the number of external components required. The controlled output slew rate minimizes electromagnetic interference (EMI), contributing to the overall electromagnetic compatibility (EMC) of the system. This LIN transceiver is typically available in a QFN package. The device handles bit rates up to 20 kbit/s as defined by the LIN standard.