The TUA4401KV3.0 is a highly integrated single chip transceiver IC designed for automotive applications, specifically focusing on secure car access systems. Manufactured by Infineon Technologies, it provides robust and reliable communication capabilities within the vehicle's security infrastructure. The device integrates a receiver and a transmitter, alongside a microcontroller interface, allowing for efficient data transfer and processing. It supports various modulation schemes and communication protocols commonly employed in keyless entry systems and remote control applications. This transceiver is engineered to operate within the harsh automotive environment, exhibiting resilience to temperature variations, electromagnetic interference, and mechanical stress.

Applications

• Remote Keyless Entry (RKE) systems
• Passive Entry Passive Start (PEPS) systems
• Tire Pressure Monitoring Systems (TPMS)
• Car alarm systems
• Immobilizer systems

Features

• Highly integrated transceiver IC
• Receiver and transmitter on a single chip
• Microcontroller interface for seamless integration
• Supports various modulation schemes (e.g., ASK, FSK)
• Robust communication protocols
• Designed for harsh automotive environments
• Low power consumption
• Compliant with automotive industry standards (e.g., AEC-Q100)

Benefits

• Enhanced security and reliability of car access systems
• Reduced system cost and complexity through high integration
• Improved communication range and performance
• Lower power consumption extends battery life
• Increased system robustness and reliability in harsh environments
• Faster time-to-market due to simplified integration
• Compliance with automotive standards ensures quality and safety

Additional Details

The TUA4401KV3.0 operates in the 315 MHz, 433 MHz, 868 MHz and 915 MHz ISM bands. It features a highly sensitive receiver that can detect weak signals, and a powerful transmitter that can deliver reliable communication over long distances. The device also incorporates advanced power management features that minimize current consumption, enabling longer battery life in key fobs and other portable devices. The TUA4401KV3.0 typically utilizes a SPI interface for communicating with the host microcontroller. It is available in a small footprint package suitable for space-constrained applications.