The ST25DV-I2C series of dynamic NFC/RFID tags offers a 13.56 MHz long-range interface compatible with NFC phones and readers.

Based on an ISO/IEC 15693 and NFC Forum Type 5 tag, ST25DV tag ICs can be operated from an RFID reader or an NFC phone. They also include an I²C interface that lets them connect to a host (MCU, MPU, etc.).

These tags feature an innovative fast transfer mode between an embedded host and an NFC phone or reader thanks to their half-duplex 256-byte buffer.

ST25DV dynamic NFC/RFID tags can be used in a wide variety of applications including consumer electronics, industrial, metering, electronic shelf labels, IoT objects and more.

  • ISO/IEC 15693 and NFC Forum Type 5 tag contactless interface
  • 1-MHz I²C serial interface operating from 1.8 to 5.5 V
  • EEPROM memory density from 4 to 64 Kbits
  • Fast Transfer mode thanks to 256-byte buffer
  • Energy harvesting feature
  • 64-bit password protection
  • GPO interruption pin configurable on multiple RF events
  • Temperature range
        Range 6:
            - From -40 to 85 °C
        Range 8:
            - From -40 to 105 °C (UDFPN8 only)
            - From -40 to 125 °C (SO8N and TSSOP8 only, 105 °C max on RF interface)
  • Simple antenna design, backward compatible with M24LR series

ST25DV-I2C dynamic NFC tag now available in WLCSP package to fit thin and tiny housing

The 10-ball WLCSP package (185um ball diameter 0.4mm pitch) provides the ST25DV04K dynamic NFC tag IC with a minimal footprint and thickness, fitting the most stringent hardware design requirements. In addition, it offers the full set of capabilities for this dynamic tag IC, including access to Low power mode, up until now available only with the 12-pin DFN package.  

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