ATA5791-WDQW-1 RFID Transceiver IC, Automotive Grade, QFN Package

  • Provides secure authentication and encryption to protect sensitive data in embedded systems.
  • Operates at a frequency that ensures reliable communication and fast data processing.
  • Features a compact package that simplifies integration and conserves board space.
  • Ideal for access control devices, enhancing security while maintaining low power consumption.
  • Designed for consistent performance and durability in demanding operating environments.
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ATA5791-WDQW-1 Overview

The ATA5791-WDQW-1 is a sophisticated automotive-grade transponder IC designed for secure vehicle access and immobilizer systems. This device integrates a high-performance 125 kHz RF interface with advanced cryptographic functions to ensure robust anti-theft protection. Featuring an embedded 8-bit microcontroller and multiple security layers, the chip supports secure communication and fast response times essential for modern automotive security applications. Its compact 8-pin WDQW package facilitates easy integration in constrained spaces, making it a preferred choice for automotive manufacturers seeking reliable and scalable security solutions. Available through IC Manufacturer, this transponder offers a balance of performance, security, and cost-effectiveness for next-generation vehicle immobilizer systems.

ATA5791-WDQW-1 Technical Specifications

ParameterSpecification
Operating Frequency125 kHz
Microcontroller Core8-bit
Package Type8-pin WDQW
Supply Voltage Range2.7 V to 5.5 V
Operating Temperature Range-40??C to +125??C
EEPROM Memory Size1 kbit
Data Transmission RateUp to 4.8 kbps
Security FeaturesAdvanced cryptographic algorithms with anti-cloning protection
Wake-up ModeLow power consumption with fast wake-up

ATA5791-WDQW-1 Key Features

  • Integrated 125 kHz RF Interface: Enables reliable short-range communication with vehicle transceivers, ensuring consistent immobilizer performance.
  • Embedded 8-bit Microcontroller: Supports complex cryptographic operations directly on the chip, enhancing security without external processing.
  • Wide Voltage Operating Range: Operates efficiently between 2.7 V and 5.5 V, allowing flexible integration with various automotive power supplies.
  • Robust EEPROM Memory: Provides 1 kbit of non-volatile storage for secure key data and configuration parameters, enabling secure and customizable applications.
  • Extended Temperature Range: Certified for automotive environments from -40??C to +125??C, guaranteeing reliable operation in harsh conditions.
  • Compact 8-pin WDQW Package: Facilitates space-saving designs in key fobs or embedded modules, streamlining product assembly and reducing BOM complexity.
  • Advanced Security Algorithms: Incorporates anti-cloning and tamper-resistant features to protect vehicle access systems from unauthorized use or duplication.

ATA5791-WDQW-1 Advantages vs Typical Alternatives

This transponder IC excels over typical alternatives by delivering enhanced security through integrated cryptographic methods and an embedded microcontroller, reducing system complexity. Its wide voltage tolerance and extended temperature range provide superior reliability under automotive conditions. The compact package and efficient power management also enable easier integration and lower energy consumption, making it an optimal choice for vehicle immobilizer applications requiring robust anti-theft protection and consistent performance.

Typical Applications

  • Vehicle immobilizer and keyless entry systems requiring secure RF communication and anti-cloning protection to prevent unauthorized engine start and enhance vehicle security.
  • Automotive remote key fobs where compact size and low power consumption are critical for user convenience and extended battery life.
  • Access control modules in automotive and industrial environments that demand reliable authentication and secure data transmission.
  • Aftermarket automotive security solutions integrating advanced cryptographic features for enhanced protection against vehicle theft.

ATA5791-WDQW-1 Brand Info

The ATA5791-WDQW-1 is part of a trusted line of automotive transponder ICs developed to meet stringent industry standards for vehicle security. Designed with a focus on performance and resilience, this product reflects the manufacturer’s commitment to delivering reliable, high-quality semiconductor solutions for the automotive market. Its proven design and integration flexibility support diverse automotive security applications, reinforcing the brand??s reputation for innovation in embedded security technologies.

FAQ

What kind of security features does this transponder provide?

The device incorporates advanced cryptographic algorithms designed to prevent cloning and unauthorized access. It includes tamper-resistant capabilities and secure key storage within its EEPROM, ensuring that vehicle immobilizer systems remain protected against common attack vectors.

Can the IC operate across the typical automotive temperature range?

Yes, it supports an operating temperature range from -40??C up to +125??C, making it suitable for harsh automotive environments where temperature extremes are common.

What communication frequency does this transponder use?

The transponder operates at 125 kHz, a standard frequency for many automotive immobilizer and access control systems, allowing reliable near-field communication with compatible transceivers.

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产品中间询盘

Is the package suitable for compact automotive key fobs?

Absolutely. The 8-pin WDQW package is designed to fit in space-constrained applications such as key fobs, enabling efficient integration without compromising device performance.

What power supply voltages are supported by this IC?

The device operates over a wide voltage range of 2.7 V to 5.5 V, providing flexibility for use with various automotive power sources and ensuring consistent functionality under fluctuating supply conditions.

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