ST25DV04KC
Dynamic NFC/RFID tag with 4 Kbit EEPROM, energy harvesting, and I2C interface
Full Specifications
| Manufacturer | STMicroelectronics |
|---|---|
| Frequency Category | NFC |
| Frequency | 13.56 MHz |
| Protocol | ISO/IEC 15693, NFC Forum Type 5 |
| Memory | 512 bytes (4 Kbit) EEPROM user memory |
| Interface | RF (contactless), I2C (Fast Mode up to 1 MHz) |
| Temperature Range | -40°C to +85°C |
| Form Factor | UFDFPN8, TSSOP8, SO8 |
| Security | 64-bit password protection, configurable write protection, lock mechanism |
Engineering Brief
The ST25DV04KC is a dual-interface NFC/RFID tag IC combining contactless 13.56 MHz RF communication with a wired I2C interface, enabling both wireless smartphone interaction and embedded microcontroller access to the same 4 Kbit EEPROM memory. It features energy harvesting capability to power external circuits from the RF field, fast transfer mailbox for dynamic data exchange, and configurable access control with password protection. The device supports ISO/IEC 15693 and NFC Forum Type 5 standards, making it ideal for IoT applications requiring both NFC commissioning and real-time sensor data storage accessible via I2C.
Typical Applications
- Consumer electronics pairing and configuration
- Smart home appliance setup and control
- Industrial sensor data logging with wireless readout
- Bluetooth/WiFi device provisioning
- Retail product authentication and tracking
- Battery-free wireless sensor applications
Need a custom RFID product?
Roxtron manufactures a wide range of custom RFID and NFC products including smart cards, labels, wristbands, key fobs and industrial tags. Contact us to discuss your project and we'll respond within 24 hours.