ST25RU3993-BQFT RF/IF and RFID

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Radio-frequency identification (RFID) technology has been widely used to provide security, access monitoring, and even asset management. The ST25RU3993-BQFT is a member of STMicroelectronics’ Dynamic NFC / RFID tag portfolio. It provides a highly integrated solution for access and asset monitoring, asset tracking, and authentication operations. The chip is optimized for long read ranges and reliable communication between an authorized reader and an authorized tag.

Features And Benefits Of the ST25RU3993-BQFT

The ST25RU3993-BQFT combines both NFC and RFID technology into one unit. It is compliant with 13.56MHz NFC and UHF RFID protocols, providing users with a wide range of applications.

The chip supports read/write operations of ISO 14443A and ISO 15693, as well as MIFARE, DESfire, and NTAG21x protocols. The chip also supports ISO 18000 modes, making it ideal for a variety of authentication, access control, and monitoring units.

The ST25RU3993-BQFT provides an optimized RF performance, extended communication range, and low power consumption. It supports AES data encryption using a 128-bit authentication key. The chip also offers a self-detection process, allowing the reader to automatically determine the optimized mode for a specific tag.

Additionally, the ST25RU3993-BQFT features a wide operating temperature range and an integrated EEPROM memory. The on-chip Serial Peripheral Interface (SPI) facilitates the access of stored data.

Application Field Of The ST25RU3993-BQFT

The ST25RU3993-BQFT is suitable for a range of application fields, including automation and production line control, surveillance systems, industrial asset management, healthcare and medical supplies management, personal security and access control. The chip also can be used to enable cashless payment solutions.

Working Principle Of The ST25RU3993-BQFT

The ST25RU3993-BQFT operates on the principle of radio-frequency signal transmission between the reader device and the tag. The signal transmission is based on a combination of physical and logical communication protocols. The reader transmits a radio-frequency signal that is received by the tag. The tag then responds by transmitting an encrypted data packet back to the reader. The reader verifies the authenticity of the data packet, and if valid, the access is granted.

In order to ensure the security of the communication channel, the ST25RU3993-BQFT utilizes a 128-bit authentication key to encrypt the data transmitted between the reader and the tag. The encrypted data is then deciphered by the reader, allowing it to verify the authenticity of the tag.

In addition to security, the ST25RU3993-BQFT also offers a wide operating temperature range and low power consumption. This ensures reliable communication between reader and tag in a range of environmental conditions.

Conclusion

The ST25RU3993-BQFT is a highly integrated solution for RFID, RF access, and monitoring applications. It offers a wide range of features, including highly optimized RF performance, extended communication range, low power consumption, and AES encryption. It is suitable for a variety of applications, including automation and production line control, healthcare and medical supplies management, personal security, and access control.

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