The ATA6625C is a fully integrated LIN (Local Interconnect Network) transceiver with a voltage regulator. Designed by Microchip (formerly Atmel), it's tailored for automotive and industrial applications where reliable and cost-effective communication is crucial. It combines the physical layer interface to the LIN bus with a 5V voltage regulator, reducing external component count and simplifying system design. This device is commonly used in body electronics, sensor interfaces, and other distributed control systems.
Applications:
- Automotive body control modules (BCM)
- Automotive door control systems
- Automotive lighting control systems
- Automotive seat control systems
- Automotive mirror control systems
- Industrial sensor networks using LIN
- General-purpose LIN communication interfaces
Features:
- LIN transceiver compliant with LIN specification 2.0, 2.1, 2.2, 2.2A and SAE J2602
- Integrated 5V voltage regulator with short-circuit and overtemperature protection
- Low quiescent current in sleep mode
- Wake-up capability via LIN bus
- Overtemperature protection for the LIN transceiver
- Short-circuit protection for the LIN transceiver
- Optimized for low electromagnetic emissions (EME)
- Provides physical layer interface for LIN communication
- Supports LIN bus speeds up to 20 kbps
Benefits:
- Simplified system design with integrated voltage regulator
- Reduced component count and PCB space requirements
- Reliable LIN bus communication in harsh automotive environments
- Low power consumption in sleep mode, extending battery life
- Protection against overtemperature and short circuits, enhancing system robustness
- Remote wake-up capability, enabling efficient power management
- Compliant with industry standards for LIN bus communication, ensuring interoperability
- Minimized electromagnetic emissions (EME), reducing interference with other electronic systems
- Cost-effective solution for LIN bus applications
Additional Details:
The ATA6625C operates from a supply voltage typically ranging from 7V to 18V, which is suitable for automotive battery systems. The integrated 5V voltage regulator can supply current to other components in the system. The device includes a wake-up input that allows the microcontroller to be awakened via the LIN bus. Comprehensive protection features are incorporated, including overtemperature protection for both the voltage regulator and LIN transceiver, as well as short-circuit protection for the LIN transceiver. The device is designed to minimize electromagnetic emissions, which is essential for automotive applications. It supports bit rates up to 20 kbit/s as defined by the LIN standard. The ATA6625C is often available in a SOIC or QFN package.