The NXP PCF7946AT/1081/CM is a sophisticated integrated circuit designed for use in a variety of security and immobilizer systems. This high-performance chip is part of NXP's broad portfolio of identification solutions, and it is particularly suited for automotive applications, where it is commonly employed in key fobs for keyless entry systems.

Key Features

• Transponder Chip: The PCF7946AT/1081/CM includes a built-in transponder that operates at 125 kHz, providing reliable and secure communication with automotive immobilizer systems.
• Security: It features advanced security protocols, including a unique serial number and encrypted communication, to prevent unauthorized access and cloning.
• Low Power Consumption: Designed for battery-operated devices, this chip has a low power consumption profile, which helps in extending the battery life of the key fob.
• Compatibility: It is compatible with a wide range of car models and can be programmed to synchronize with specific vehicle immobilizer systems.

Applications

The NXP PCF7946AT/1081/CM is primarily used in the automotive industry for:

• Remote keyless entry systems
• Engine immobilizers
• Anti-theft systems

Technical Specifications

The NXP PCF7946AT/1081/CM is a versatile and reliable choice for manufacturers and designers looking to incorporate a secure, low-power transponder chip into their automotive security systems. Its robust security features and compatibility with a wide range of vehicles make it an essential component for modern keyless entry and immobilizer solutions.