ATA5746C-PXQW-1 Overview
The ATA5746C-PXQW-1 is a high-performance automotive-grade transponder IC designed for secure vehicle immobilizer systems. This integrated circuit offers robust authentication and anti-theft functionality through advanced cryptographic features, supporting secure communication between the vehicle and key fobs. Its low power consumption and compact design ensure seamless integration in automotive environments. With proven reliability and compliance with industry standards, it is an ideal solution for automotive security applications. For more detailed technical information, visit IC Manufacturer.
ATA5746C-PXQW-1 Technical Specifications
| Parameter | Specification |
|---|---|
| Operating Voltage | 2.7 V to 5.5 V |
| Communication Protocol | ISO 14230 (KWP) |
| Cryptographic Algorithm | 128-bit AES |
| Operating Temperature Range | -40 ??C to +125 ??C |
| Package Type | QFN 20-pin (5 x 5 mm) |
| Supply Current (Active Mode) | Typical 3 mA |
| Sleep Mode Current | < 1 ??A |
| Non-volatile Memory | EEPROM, 512 bytes |
ATA5746C-PXQW-1 Key Features
- Advanced 128-bit AES encryption provides strong security, ensuring reliable authentication and protecting against unauthorized vehicle access.
- Low power operation with sleep current below 1 ??A extends key fob battery life and optimizes overall system efficiency.
- Compact QFN package allows for easy integration into automotive key systems without compromising space constraints.
- Wide operating temperature range guarantees stable performance in harsh automotive environments, from subzero cold starts to high engine heat conditions.
ATA5746C-PXQW-1 Advantages vs Typical Alternatives
This transponder IC stands out with its robust cryptographic security and ultra-low power consumption, outperforming many typical alternatives. Its seamless compliance with ISO 14230 ensures broad compatibility, while the compact package supports integration in space-constrained designs. The extended operating temperature range and reliable EEPROM storage further enhance durability and long-term system stability compared to standard transponder solutions.
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Typical Applications
- Vehicle immobilizer systems requiring secure authentication and anti-theft protection with minimal power consumption, suitable for modern automotive key fobs and modules.
- Remote keyless entry systems enabling encrypted communication between the vehicle and the user??s key device.
- Anti-theft security modules embedded in automotive electronic control units for enhanced vehicle protection.
- Authentication devices in automotive access control systems that demand high reliability and secure data storage.
ATA5746C-PXQW-1 Brand Info
The ATA5746C-PXQW-1 is a product specifically engineered for automotive security applications, reflecting the brand??s commitment to innovation and reliability in vehicle electronics. Designed to meet stringent automotive standards, it integrates advanced cryptographic capabilities with energy-efficient operation. This IC supports automotive manufacturers and suppliers in developing secure key and immobilizer systems that protect vehicles from unauthorized use while maintaining ease of integration and durability in demanding environments.
FAQ
What communication protocols does the ATA5746C-PXQW-1 support?
The device supports the ISO 14230 protocol, also known as Protocol 2000 (KWP), which is widely used in automotive diagnostics and secure communication between vehicle electronic components and key transponders.
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How does the ATA5746C-PXQW-1 enhance vehicle security?
It uses a 128-bit AES cryptographic algorithm to securely authenticate keys and prevent unauthorized access. This robust encryption ensures that only authorized devices can communicate with the vehicle??s immobilizer system.
What are the power consumption characteristics of this IC?
The transponder IC operates with a typical active current of around 3 mA, while it enters a low-power sleep mode consuming less than 1 ??A, which is critical for preserving battery life in automotive key fobs.
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Is the ATA5746C-PXQW-1 suitable for harsh automotive environments?
Yes, it has an operating temperature range from -40 ??C to +125 ??C, making it well-suited for the wide temperature fluctuations typically encountered in automotive applications.
What package options are available for this transponder IC?
The device comes in a compact 20-pin QFN package measuring 5 x 5 mm, which supports compact design requirements and ease of assembly in automotive electronic modules.






