ATA5743P6-TKQY 19 Secure Authentication IC – Automotive Grade, QFN Package

ATA5743P6-TKQY 19 Overview

The ATA5743P6-TKQY 19 is a sophisticated automotive transponder IC designed for secure and reliable vehicle immobilizer systems. It integrates a low-frequency (LF) receiver and a microcontroller-based transponder system, facilitating secure communication between the key and vehicle. This device supports high sensitivity and low power consumption, essential for efficient immobilizer functionality. Its compact package and robust design make it suitable for integration in modern automotive security solutions. For engineers and sourcing specialists seeking a dependable immobilizer transponder IC, the ATA5743P6-TKQY 19 offers a well-balanced combination of performance and integration, available through IC Manufacturer.

ATA5743P6-TKQY 19 Technical Specifications

ATA5743P6-TKQY 19 Key Features

• Integrated LF Transceiver: Enables reliable communication at 125 kHz frequency, ensuring stable and secure data transmission in automotive immobilizer systems.
• Low Power Consumption: With minimal active and standby current, it maximizes battery life in key fobs and remote devices, critical for long-term reliability.
• Embedded Microcontroller: Provides on-chip processing capabilities, allowing custom immobilizer algorithms and secure data handling without external components.
• Wide Operating Temperature Range: Supports automotive-grade thermal requirements from -40??C to +125??C, ensuring robust operation in harsh environments.
• Compact SO16 Package: Facilitates easy integration into compact automotive modules, saving board space while maintaining signal integrity.
• EEPROM Memory: Offers up to 256 bytes of non-volatile memory for secure key data storage, enhancing security and flexibility for immobilizer applications.
• High Sensitivity LF Receiver: Improves detection range and reduces communication errors, supporting enhanced user experience and system reliability.

ATA5743P6-TKQY 19 Advantages vs Typical Alternatives

This transponder IC stands out with its combination of low power consumption and high sensitivity, outperforming typical immobilizer alternatives that may compromise on battery life or communication reliability. Its integrated microcontroller and EEPROM allow for secure and flexible data management without additional external components, streamlining system design and reducing overall cost. The wide temperature range and compact packaging further enhance its suitability for demanding automotive environments.

Typical Applications

• Automotive immobilizer systems requiring secure LF communication and reliable key verification, ensuring vehicle protection against unauthorized access.
• Keyless entry systems where low power consumption extends battery life and consistent transponder response is vital for user convenience.
• Remote vehicle starting modules that depend on stable and secure data exchange between the transponder and vehicle ECU.
• Fleet management solutions integrating immobilizer functionalities to prevent unauthorized vehicle use and enhance security protocols.

ATA5743P6-TKQY 19 Brand Info

This device is produced under the reputable ATA brand, recognized for its focus on automotive-grade semiconductor solutions. Engineered for high security and reliability, it reflects ATA??s commitment to advancing vehicle immobilizer technology. The product leverages the brand??s expertise in low-frequency transponder design, ensuring compliance with stringent automotive standards and delivering consistent performance in challenging operational conditions.

FAQ

What is the operating voltage range of this transponder IC?

The device operates within a voltage range of 2.7 V to 5.5 V, making it compatible with typical automotive key fob power sources. This range supports stable operation across various power supply conditions.

How does the low-frequency receiver improve vehicle security?

The low-frequency (125 kHz) receiver enhances security by enabling reliable communication between the key and the vehicle??s immobilizer system. Its high sensitivity reduces communication errors, ensuring only valid transponders can activate the engine start sequence.

Can this IC operate in extreme temperature environments?

Yes, it is designed for automotive applications with an operating temperature range from -40??C to +125??C. This allows the component to function reliably even in harsh climates and demanding vehicle environments.

What type of memory does this transponder use for data storage?

The device includes up to 256 bytes of EEPROM memory, providing non-volatile storage for secure key data and immobilizer algorithms. This memory retains information even when power is removed, ensuring data integrity.

Is the embedded microcontroller capable of custom immobilizer functions?

Yes, the integrated 8-bit microcontroller supports on-chip processing, enabling developers to implement tailored immobilizer algorithms and manage secure communication protocols directly within the IC.