ATA5746C-PXQW Overview
The ATA5746C-PXQW is a highly integrated automotive transponder IC designed to facilitate secure and reliable vehicle access and immobilizer functions. It combines advanced RFID communication with robust cryptographic capabilities to support secure keyless entry and anti-theft systems. Optimized for low power consumption and enhanced signal sensitivity, this device ensures dependable performance in harsh automotive environments. Its compact footprint and integrated analog front-end simplify system design, making it a preferred choice for automotive manufacturers and suppliers. For detailed product sourcing and technical support, visit IC Manufacturer.
ATA5746C-PXQW Technical Specifications
| Parameter | Specification |
|---|---|
| Operating Frequency | 125 kHz |
| Power Supply Voltage | 2.7 V to 5.5 V |
| Communication Protocol | ISO 11784/85 compatible |
| Cryptographic Algorithm | 128-bit AES |
| Wake-Up Current | Typically 0.3 ??A |
| Operating Temperature Range | -40??C to +105??C |
| Package Type | QFN 24-pin (4×4 mm) |
| Interface | Serial Peripheral Interface (SPI) |
ATA5746C-PXQW Key Features
- Integrated 125 kHz RFID Transceiver: Enables reliable near-field communication essential for vehicle immobilizer systems, reducing external component count.
- Advanced 128-bit AES Cryptography: Ensures secure authentication and data integrity, protecting against cloning and unauthorized access.
- Low Power Wake-Up Mode: Minimizes energy consumption during standby, extending battery life in remote keyless entry devices.
- Wide Operating Temperature Range: Supports automotive-grade reliability even under extreme environmental conditions.
- Compact QFN Package: Simplifies PCB layout and mechanical integration in space-constrained automotive modules.
- ISO 11784/85 Compatibility: Facilitates interoperability with established RFID standards for seamless system integration.
- SPI Interface: Allows straightforward communication with microcontrollers, enabling flexible system design.
ATA5746C-PXQW Advantages vs Typical Alternatives
This device offers superior security with embedded 128-bit AES cryptography compared to typical transponders that lack advanced encryption. Its low wake-up current significantly reduces power consumption, improving battery efficiency for keyless systems. The integrated analog front-end and ISO standard compliance simplify design and enhance system reliability, making it more robust and cost-effective than many competing solutions in automotive access control applications.
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Typical Applications
- Automotive immobilizer systems: Provides secure vehicle start authorization by authenticating key fobs via encrypted RFID communication, ensuring anti-theft protection.
- Remote keyless entry systems: Enables reliable and low-power wireless access control for vehicles using near-field identification.
- Vehicle access control modules: Integrates with control units to manage authorized entry and security protocols within automotive electronics.
- Secure identification systems: Applicable in industrial or commercial environments requiring secure, short-range identification and authentication.
ATA5746C-PXQW Brand Info
The ATA5746C-PXQW is developed and manufactured by a leading semiconductor provider specializing in automotive-grade security solutions. This product line is recognized for its robust performance, stringent quality standards, and comprehensive support tailored to the automotive electronics market. Designed to meet the demanding requirements of vehicle access and immobilization, the device reflects the brand??s commitment to innovation, reliability, and secure system integration.
FAQ
What communication standards does this device support?
The device supports ISO 11784/85 standards, which are widely used for RFID-based identification in automotive and industrial systems, ensuring compatibility and interoperability with existing infrastructure.
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How does the cryptographic feature enhance security?
It employs a 128-bit AES encryption algorithm to secure data exchanges, preventing unauthorized cloning and tampering, which is critical for maintaining vehicle security in immobilizer and keyless entry applications.
What is the typical power consumption during standby?
The transponder features a low power wake-up mode with a typical current consumption of around 0.3 microamperes, enabling extended battery life for remote key devices.
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Can this device operate in harsh automotive environments?
Yes, it is rated to operate within a temperature range of -40??C to +105??C, meeting automotive-grade reliability requirements suitable for under-hood or in-vehicle applications.
What package options are available for integration?
The device comes in a compact 24-pin QFN package measuring 4×4 mm, facilitating easy integration into space-constrained automotive electronic modules while supporting efficient thermal management.
