ST25TA02K-DC6H5

Series:	--
Part Status:	Active
Type:	RFID Transponder
Frequency:	13.56MHz
Standards:	ISO 14443, NFC
Interface:	--
Voltage - Supply:	--
Operating Temperature:	-40°C ~ 85°C

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ST25TA02K-DC6H5 application field and working principle

Introduction

ST25TA02K-DC6H5 is a low-power, dual-interface RFID reader IC designed to be used in a variety of applications. The device can be used as an RFID tag reader or as a reader for a radio frequency access control (RFAC) system. Its low power consumption and short-range communication make it an ideal choice for applications requiring a reliable method of authentication and data exchange. ST25TA02K-DC6H5 is a member of STMicroelectronics\' ST25 family of RFID reader ICs and is available in a wide range of packages to meet the requirements of different form factors.

Applications

The primary application of ST25TA02K-DC6H5 is in RFID readers and tags. It is used to read and write data from RFID tags, and can be used in applications such as access control, asset tracking, and ticketing. ST25TA02K-DC6H5 is a dual-interface reader IC, which supports both contactless and contact-type data transfer modes. It can be used in RFAC systems, providing an enhanced level of security for access control. It can also be used for monitoring devices in industrial settings, with its low power consumption providing a reliable power source for long-term data logging.

Working Principle

ST25TA02K-DC6H5 works on the principle of radio frequency identification (RFID). It contains an RFID transceiver and an antenna, which are used to communicate with an RFID-tagged device. The IC utilizes Near-Field Communication (NFC) standards for its contactless communications. Data is transmitted between the RFID reader and tag in plaintext. The tag is powered by the RFID reader during communication and can be programmed to transmit a unique identifier to the reader. The ID can either be stored in the tag or can be sent to the reader in a dynamic manner with every transmission. The dynamic transmission of the ID allows the reader to uniquely identify the tag and also allows for authentication of tags. The IC requires a supply voltage of 2.2V to 5.5V, with a power consumption of 12 mA. It supports communication speeds up to 847 Kbps and operates in the frequency range between 5.1 MHz and 30 MHz.

Conclusion

The ST25TA02K-DC6H5 provides an ideal RFID IC for applications requiring reliable and low power RF access and monitoring. Its low power consumption and support for NFC standards make it suitable for use in a variety of applications, such as asset tracking, authentication, and access control. The reader is able to identify and authenticate RFID tags, with its advanced features providing a secure and reliable way to store and transfer data.

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