STMicroelectronics

ST25R3917-AQWT  

RFID, RF Access, Monitoring ICs

The ST25R3917-AQWT is a versatile and high-performance NFC/RFID reader IC developed by STMicroelectronics. This chip is designed to meet the needs of various applications that require contactless communication and identification, such as smart posters, access control, and mobile payment systems.

Description:

The ST25R3917-AQWT is an integrated circuit that combines a high-sensitivity NFC reader, an ISO/IEC 15693 and ISO/IEC 14443A/B reader, and a 13.56 MHz RFID tag. It is housed in a compact and low-profile AQWT package, making it suitable for a wide range of applications.

Features:

1. Dual Interface: The ST25R3917-AQWT supports both NFC Forum Type 2 Tag Operation and ISO/IEC 15693 and ISO/IEC 14443A/B reader functionalities.
2. High Sensitivity: The chip features a high-sensitivity RF front-end, allowing it to communicate with NFC-enabled devices at a distance of up to 50mm.
3. Flexible Communication: It supports multiple communication interfaces, including SPI, I2C, and UART, making it easy to integrate with various microcontrollers and systems.
4. Dynamic NDEF Messaging: The ST25R3917-AQWT can store and update NDEF (NFC Data Exchange Format) messages, allowing for dynamic and interactive applications.
5. Advanced Capabilities: The chip offers advanced features such as I/O pins for external control, GPIOs, and an integrated temperature sensor.
6. Power Management: The ST25R3917-AQWT includes a low-power mode and a power-harvesting feature, allowing it to operate efficiently and extend the battery life of the devices it is used in.
7. Security: The chip provides robust security features, including support for encryption and authentication protocols, to protect sensitive data and prevent unauthorized access.

Applications:

1. Smart Posters: The ST25R3917-AQWT can be used in interactive smart posters that provide users with additional information when their NFC-enabled device is brought close to the poster.
2. Access Control: The chip can be integrated into access control systems to enable contactless authentication and identification of users.
3. Mobile Payment Systems: The ST25R3917-AQWT can be used in mobile payment systems to facilitate secure and convenient transactions using NFC-enabled smartphones.
4. Inventory Management: The chip can be used in RFID-based inventory management systems to track and manage inventory levels in real-time.
5. Supply Chain Management: The ST25R3917-AQWT can be used to track and monitor the movement of goods throughout the supply chain, providing valuable data for logistics and supply chain management.
6. Asset Tracking: The chip can be used to track and monitor the location and status of valuable assets, such as equipment or vehicles, in real-time.
7. Public Transport and Ticketing: The ST25R3917-AQWT can be integrated into contactless ticketing systems for public transport, making it easier for passengers to access and pay for transportation services.

In summary, the ST25R3917-AQWT is a powerful and versatile NFC/RFID reader IC that offers a wide range of features and capabilities, making it suitable for a variety of applications in the contactless communication and identification market.

ST25R3917-AQWT Documents

Download datasheets and manufacturer documentation for ST25R3917-AQWT

Errata :

ST25R3916, ST25R3917 Errata      

PCN Assembly/Origin :

ST25R391x 11/Oct/2022      

Datasheets :

ST25R3916, ST25R3917