ATA5756C-6DQY-66 Overview
The ATA5756C-6DQY-66 is a highly integrated transponder IC designed for advanced automotive immobilizer systems and secure access controls. It incorporates a low-frequency receiver with an embedded microcontroller, enabling efficient communication and data handling within vehicle security applications. With its optimized power consumption and robust anti-theft functionality, this device ensures reliable operation in harsh automotive environments. The compact package and flexible interface options make it a preferred choice for automotive electronics designers seeking secure, cost-effective solutions. For more details, visit IC Manufacturer.
ATA5756C-6DQY-66 Technical Specifications
| Parameter | Specification |
|---|---|
| Operating Frequency | 125 kHz |
| Supply Voltage Range | 3.0 V to 5.5 V |
| Package Type | QFN 32-pin (6 x 6 mm) |
| Operating Temperature Range | -40??C to +125??C |
| Data Rate | Up to 4 kbit/s |
| Embedded Microcontroller | 8-bit RISC with on-chip EEPROM |
| EEPROM Memory | 2 kbit |
| Standby Current | 1.5 ??A typical |
ATA5756C-6DQY-66 Key Features
- Integrated 125 kHz LF Receiver: Enables efficient and reliable communication with automotive transponder antennas, ensuring quick identification and authentication.
- Embedded 8-bit Microcontroller: Supports custom immobilizer algorithms and secure data processing, improving system security and flexibility.
- Low Power Consumption: Typical standby current of 1.5 ??A ensures minimal battery drain, critical for automotive key fob and immobilizer applications.
- Extended Temperature Range: Operates reliably from -40??C to +125??C, suitable for harsh automotive environments.
- On-Chip EEPROM: Provides 2 kbit non-volatile memory for secure key storage and system parameters, enhancing tamper resistance.
- Compact QFN Package: Facilitates easy integration into space-constrained automotive modules without compromising thermal performance.
- High Data Rate Support: Up to 4 kbit/s data transfer facilitates fast and secure communication in immobilizer systems.
ATA5756C-6DQY-66 Advantages vs Typical Alternatives
This device offers a superior combination of integration, low power consumption, and robust security features compared to typical immobilizer ICs. Its embedded microcontroller and on-chip EEPROM allow for flexible, secure programming without the need for external components. The extended temperature range and low standby current enhance reliability and efficiency, making it an optimal choice for automotive security systems that demand durability and precision.
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Typical Applications
- Automotive immobilizer systems: Secure vehicle access and engine start authorization through reliable transponder communication and secure data handling.
- Keyless entry systems: Supports low-frequency communication to enable secure remote locking and unlocking of vehicle doors.
- Access control systems: Suitable for secure access management in industrial and commercial environments requiring robust authentication mechanisms.
- Security modules in automotive electronics: Integrates into control units requiring tamper-resistant memory and secure microcontroller functionality.
ATA5756C-6DQY-66 Brand Info
The ATA5756C-6DQY-66 is a product within the automotive security segment, designed specifically to meet stringent industry requirements for vehicle immobilization and secure access. Built on proven semiconductor technology, it combines low-frequency communication with embedded processing capabilities tailored for high-security automotive environments. This device reflects the brand??s commitment to delivering reliable, high-performance components that address the evolving demands of automotive electronics engineers and system integrators.
FAQ
What communication frequency does the ATA5756C-6DQY-66 support?
The transponder IC operates at a low frequency of 125 kHz, which is standard for automotive immobilizer systems. This frequency ensures reliable short-range communication between the transponder and vehicle antenna.
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What is the power supply range for this transponder IC?
The device supports a supply voltage from 3.0 V up to 5.5 V, allowing it to operate efficiently within typical automotive voltage conditions and ensuring compatibility with various system designs.
How does the embedded microcontroller enhance the device??s functionality?
The built-in 8-bit RISC microcontroller enables on-chip processing of immobilizer algorithms and secure data storage, reducing the need for external processors and improving overall system security and integration.
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Is the ATA5756C-6DQY-66 suitable for harsh automotive environments?
Yes, it is designed to operate reliably over a wide temperature range from -40??C to +125??C, making it suitable for the demanding temperature variations commonly found in automotive applications.
What package type is used for this product, and why is it beneficial?
The device comes in a compact 32-pin QFN package measuring 6 x 6 mm. This small form factor supports space-saving designs and offers good thermal performance, which is essential for automotive electronic modules.






