ATA5780N-PNQW 18 Overview
The ATA5780N-PNQW 18 is an advanced automotive-grade integrated circuit designed for secure remote keyless entry (RKE) and passive entry passive start (PEPS) systems. It combines high-performance RF transceiver capabilities with ultra-low power consumption, optimized for 315 MHz and 434 MHz frequency bands. This device supports robust cryptographic authentication, ensuring reliable and secure vehicle access control. Featuring a compact package and extensive peripheral integration, it simplifies system design and enhances overall reliability. For detailed technical support and purchasing information, visit IC Manufacturer.
ATA5780N-PNQW 18 Technical Specifications
| Parameter | Specification |
|---|---|
| Operating Frequency | 315 MHz / 434 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Power Consumption (Tx Mode) | Typical 20 mA |
| Power Consumption (Rx Mode) | Typical 1.8 mA |
| Data Rate | Up to 40 kbps |
| Modulation Type | ASK / OOK |
| Operating Temperature Range | -40??C to +125??C |
| Package Type | QFN 32-pin |
| Cryptographic Engine | Hardware AES-128 |
| Wake-up Time | Less than 5 ms |
ATA5780N-PNQW 18 Key Features
- Integrated RF Transceiver: Supports 315 MHz and 434 MHz bands enabling reliable wireless communication with minimal external components, reducing system complexity.
- Low Power Consumption: Ultra-low power in both transmit and receive modes extends key fob battery life, crucial for automotive remote control applications.
- Hardware-based AES-128 Cryptography: Provides robust security for authentication protocols, protecting against replay attacks and unauthorized access.
- Fast Wake-up Time: Enables quick response to user input, improving user experience in keyless entry systems.
- Wide Operating Temperature Range: Ensures reliable performance under harsh automotive environmental conditions from -40??C to +125??C.
- Compact QFN Package: Allows for space-efficient PCB design, facilitating integration into compact key fobs or control modules.
- Flexible Modulation Modes: Supports ASK and OOK modulation, providing compatibility with a wide range of automotive RF protocols.
ATA5780N-PNQW 18 Advantages vs Typical Alternatives
This device offers superior sensitivity and accuracy in RF communication while maintaining exceptionally low power consumption, essential for automotive remote keyless entry systems. Its integrated cryptographic engine enhances security beyond typical alternatives that rely on software-based solutions. The compact QFN package and wide operating temperature range improve integration flexibility and reliability in demanding environments, making it a preferred choice for automotive applications.
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Typical Applications
- Remote keyless entry and passive entry passive start systems in automotive security, providing secure vehicle access and ignition control with low power consumption and fast response.
- Wireless key fob transmitters requiring secure authentication and reliable RF performance in harsh automotive environments.
- Access control systems where secure wireless communication and low latency are critical.
- Embedded automotive microcontroller companion devices focused on RF transceiver functionality and security.
ATA5780N-PNQW 18 Brand Info
This product is a member of the ATA5780 family, designed specifically for automotive remote keyless entry applications. It is engineered to meet stringent automotive industry standards, ensuring high reliability and security. The device integrates RF communication, cryptographic security, and ultra-low power features into a single compact package, making it an ideal solution for automotive manufacturers and system integrators focused on secure and efficient vehicle access control solutions.
FAQ
What frequency bands does the ATA5780N-PNQW 18 support?
The device operates primarily on 315 MHz and 434 MHz frequency bands, which are widely used in automotive remote keyless entry systems. This dual-band support provides flexibility for global market requirements.
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How does the device ensure security in automotive applications?
Security is achieved through an integrated hardware AES-128 cryptographic engine, which performs encryption and authentication processes directly on-chip. This hardware-based approach enhances resistance to hacking attempts compared to software-only solutions.
What is the typical power consumption during transmission?
In transmit mode, the device typically consumes around 20 mA, which is optimized to balance transmission range and battery life. In receive mode, power consumption is significantly lower at approximately 1.8 mA, extending key fob operational longevity.
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Can the device operate in extreme automotive temperatures?
Yes, it is designed to operate reliably over a temperature range from -40??C to +125??C, making it suitable for harsh automotive environments and ensuring consistent performance under varying climatic conditions.
What package type is the ATA5780N-PNQW 18 available in?
The device comes in a 32-pin QFN package, which offers a compact footprint for efficient PCB layout and improved thermal performance, ideal for space-constrained automotive key fobs and control modules.
