ST25R3910-BQFM

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Radio-frequency identification (RFID) is a technology that uses radio waves to identify objects, such as cards or tags embedded with a unique code. RFID is used in a variety of applications, including access control, asset tracking and inventory control. The ST25R3910-BQFM is an RF access and monitoring integrated circuit (IC) designed for such applications. It is an all-in-one, single-chip solution that simplifies the design of RFID-reader modules for contactless applications.

The ST25R3910-BQFM features an integrated antenna driver, adjustable power level, low standby current consumption, up to 1V voltage supply, and low-noise filtering of the supply voltage. It is able to read a variety of RFID tags, including ISO 15693, I-CODE, Tag-it, and FeliCa, and supports both 13.56MHz and 860 to 960MHz frequencies. It is also compliant with the European Near Field Communication (NFC) standard. The ST25R3910-BQFM also offers up to 100-mA load capability, adjustable impedance on the antenna driver, and a high-performance signal analyzer.

The ST25R3910-BQFM is designed for use in industrial, automotive, and consumer-electronics applications. It is offered in a 32-lead LGA package. It can be used either in contact or contactless applications to identify, read, and control RF tags. The ST25R3910-BQFM’s integrated antenna driver allows it to operate at up to 4W power levels, which is enough to read and identify tags even at large distances. The ST25R3910-BQFM is also able to autonomously manage the configuration, detection, and reading of multiple tags without any external intervention.

The ST25R3910-BQFM’s working principle is based on generating a low power AC signal at the antenna and detecting the load impedance at the antenna output. This information is used to detect the presence of a tag and to determine the data rate and protocol used. Once a tag is detected, the ST25R3910-BQFM increases the power level to drive the tag’s response. The ST25R3910-BQFM then decodes the response and outputs the data for further processing by the microcontroller.

The ST25R3910-BQFM is a highly integrated IC that simplifies the design of RFID reader modules. It combines the features of an antenna driver, RF transceiver, signal analyzer, and low-noise filtering in a single package. This makes it ideal for a variety of contact and contactless applications. The ST25R3910-BQFM’s low power consumption and robust design make it suitable for low-power and industrial applications. It is also compliant with the NFC standard, making it easy to integrate into systems that need to support multiple RFID protocols.

The ST25R3910-BQFM is a reliable and cost-effective solution for contact and contactless RFID applications. It is an ideal solution for access control, asset tracking and inventory control, and it is also suitable for use in smart cards. The ST25R3910-BQFM’s integrated features and low power consumption make it an ideal choice for a variety of RFID applications.

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