The ST25TA02K-AC6B5 from STMicroelectronics is a dynamic NFC/RFID tag IC with a dual-interface, integrating both an ISO/IEC 14443 Type A RF interface and an I2C serial interface. This IC is part of STMicroelectronics' ST25TA series, which is designed for NFC tag applications including consumer electronics, smart advertising, and device authentication.

Key Features

• Memory Size: The device boasts a 2-Kbit EEPROM with NDEF data storage, providing ample space for NFC data exchange formats.
• Data Transfer: High-speed data transfer is enabled through both the RF and I2C interfaces, with the RF interface supporting up to 106 kbit/s in NFC passive mode.
• Energy Harvesting: An energy harvesting feature allows the device to supply power to external components from the harvested RF energy, thus reducing the overall power demands of the host system.
• Security: The tag includes originality signature and TruST25™ digital signature, ensuring data integrity and authentication for secure applications.
• Endurance and Data Retention: The IC is designed for high endurance with 1 million erase/write cycles and data retention of 40 years, ensuring long-term reliability.

Applications

The ST25TA02K-AC6B5 is ideal for a wide range of applications, including but not limited to:

• Consumer electronics for device pairing and parameter settings
• Smart advertising with dynamic content updates
• Product and device authentication to prevent counterfeiting
• Bluetooth or Wi-Fi connection handover for quick setup

Package and Availability

The device is available in a UFDFPN5 package, known for its compact footprint and suitability for space-constrained applications. The part number ST25TA02K-AC6B5 indicates this specific package and configuration.

For more information, datasheets, and technical support, visit the STMicroelectronics website or contact your local sales representative.