ST25DV02K-W2R8T3

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RFID, RF Access, Monitoring ICs have become increasingly important in various industrial fields. The ST25DV02K-W2R8T3 IC, developed by STMicroelectronics, is an RFID device dedicated to data transmission and reception. The IC can be used as the front-end of devices for accessing and monitoring data across a wireless connection.

The ST25DV02K-W2R8T3 is a dual-interface 1-Kbit, high-performance static Random Access Memory (SRAM) with a wireless connectivity option. The IC is designed to work around the 13.56 MHz ISM frequency band, making it ideal for applications such as inventory tracking, access control, and identification, among others. The chip is equipped with an integrated 13.56-MHz receiver coil that can detect and receive tag signals from other transponders in its vicinity. The IC supports EPC Class-1 Gen-2 or ISO 15693 protocols.

The ST25DV02K-W2R8T3 device includes a 32-bit ARM® Cortex®-M0+ CPU, and has an integrated 128-bit AES crypto coprocessor. This allows the device to perform secure access protocols that conform to the ISO 14443 and ISO 15693 standards. In addition, the IC includes an ECC block which is used to execute an SHA-256 encryption algorithm. The IC also includes an embedded NFC Type 4 Tag that can be used to interface with NFC-enabled devices.

In terms of performance, the ST25DV02K-W2R8T3 operated at a clock rate of up to 48 MHz and provides a read/write throughput of up to 512 kbits/s. The IC is configurable in various modes such as Wake-up, Sleep, and Shutdown, and is typically battery powered. The operating temperature range is from -40C to 105C.

In terms of application fields, the ST25DV02K-W2R8T3 IC is ideal for applications that require wireless communication with other ICs such as asset tracking, access control, and identification, among others. It can also be used in industrial automation applications to monitor and control inventory, machinery, and workflow. Additionally, the IC is suitable for smart cards, NFC tags, and near field communication (NFC) applications.

Finally, the working principle of the ST25DV02K-W2R8T3 IC is based on data transmission and reception using multiple protocols. It uses the 13.56 MHz ISM radio frequency band for communication between two transponders, and its NFC interface allows for contactless communication with compatible devices. It can also use the embedded SHA-256 cryptography algorithm for secure access protocols.

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