NXP Semiconductors

TJA1021TK/20/S1Z

TJA1021TK/20/S1Z Description

The TJA1021TK/20/S1Z is a high-performance LIN (Local Interconnect Network) transceiver designed for automotive applications. Manufactured by NXP Semiconductors, this device is part of the Interface IC Chips category and is specifically engineered to meet the stringent requirements of the automotive industry. The TJA1021TK/20/S1Z features a robust design with a single driver and receiver, ensuring reliable communication over LIN networks. It operates within a wide supply voltage range of 5.5V to 27V, making it suitable for various automotive power supply configurations.

TJA1021TK/20/S1Z Features

• Half-Duplex Communication: The TJA1021TK/20/S1Z is designed for half-duplex communication, which allows for efficient data transmission in applications where simultaneous bidirectional communication is not required. This mode of operation simplifies the hardware design and reduces the complexity of the communication protocol.
• High Receiver Hysteresis: With a receiver hysteresis of 300 mV, the TJA1021TK/20/S1Z ensures reliable signal detection even in noisy environments. This feature enhances the robustness of the communication link, making it ideal for automotive applications where electromagnetic interference (EMI) is common.
• Wide Supply Voltage Range: The transceiver operates within a supply voltage range of 5.5V to 27V, providing flexibility in power supply design. This wide range accommodates various automotive power supply systems, ensuring compatibility with different vehicle architectures.
• Automotive Grade: Certified for automotive use, the TJA1021TK/20/S1Z meets the high reliability and durability standards required for automotive components. This grade ensures that the device can withstand the harsh operating conditions typically found in vehicles.
• Surface Mount Technology (SMT): The TJA1021TK/20/S1Z is available in a surface mount package, facilitating easy integration into modern automotive electronic systems. The SMT package allows for compact and reliable mounting on printed circuit boards (PCBs).
• Compliance and Standards: The TJA1021TK/20/S1Z is REACH unaffected and RoHS3 compliant, ensuring that it meets the latest environmental and safety regulations. This compliance is crucial for manufacturers aiming to produce environmentally friendly and safe automotive components.
• Data Rate: The transceiver supports a data rate of 20 kBaud, which is sufficient for LIN applications, ensuring reliable and efficient data transmission.

TJA1021TK/20/S1Z Applications

The TJA1021TK/20/S1Z is ideally suited for a variety of automotive applications where LIN communication is required. Some specific use cases include:

• Body Control Modules (BCM): The TJA1021TK/20/S1Z can be used in BCMs to manage various functions such as door locks, windows, and lighting. Its robust design ensures reliable communication between the BCM and other vehicle systems.
• Infotainment Systems: In automotive infotainment systems, the TJA1021TK/20/S1Z can facilitate communication between the central control unit and various peripheral devices, such as displays and audio systems.
• Instrument Clusters: The transceiver can be used in instrument clusters to transmit data from sensors to the central control unit, ensuring accurate and timely information display.
• Powertrain Control: The TJA1021TK/20/S1Z can be integrated into powertrain control systems to manage communication between the engine control unit (ECU) and other components, such as transmission control units.

Conclusion of TJA1021TK/20/S1Z

The TJA1021TK/20/S1Z is a versatile and reliable LIN transceiver designed to meet the demanding requirements of the automotive industry. Its half-duplex communication capability, high receiver hysteresis, and wide supply voltage range make it an ideal choice for various automotive applications. The automotive grade certification and compliance with environmental and safety standards further enhance its suitability for use in modern vehicles. With its robust design and efficient data transmission capabilities, the TJA1021TK/20/S1Z stands out as a reliable solution for LIN communication in automotive systems.