The PCF7991AT/1081,118 is a versatile RFID transponder IC from NXP Semiconductors designed for use in passive contactless communication systems. This integrated circuit is part of the PCF7991 series and is notable for its robust performance and flexibility, making it an ideal choice for a wide range of applications in the automotive, access control, and asset tracking industries.

Key Features

• Frequency: The device operates at a carrier frequency of 125 kHz, which is a common standard for low-frequency RFID applications, ensuring compatibility with a wide range of readers and systems.
• Memory: It includes a programmable EEPROM that can be used to store identification and configuration data. This memory is non-volatile, ensuring that the data is retained even when the device is not powered.
• Modulation: The IC supports various modulation schemes, including ASK, FSK, and PSK, providing flexibility in the design of the communication protocol and enhancing data integrity.
• Security: Advanced security features are embedded to protect against unauthorized access and cloning, making the PCF7991AT/1081,118 a secure choice for applications that require high levels of security.
• Power Supply: As a passive RFID IC, it harvests energy from the reader's RF field, eliminating the need for an onboard power source and enabling its use in compact and sealed environments.

Applications

• Automotive immobilizers
• Access control systems
• Asset tracking tags
• Animal identification tags
• Waste management systems

The PCF7991AT/1081,118 is designed to meet the stringent requirements of the various applications it serves. Its durability, coupled with NXP's reputation for high-quality semiconductor products, ensures reliable operation in the field. Whether for secure vehicle access, efficient asset management, or seamless access control, this RFID transponder IC stands out as a sophisticated and practical component in any RFID system.