PCF7926ATT/C1AC0700

The PCF7926ATT/C1AC0700 is an automotive transponder IC commonly used in car immobilizers and keyless entry systems. It is part of the PCF79XX family from NXP Semiconductors, designed to enhance vehicle security by enabling encrypted communication between the car's electronic control unit (ECU) and the key.
This IC integrates both immobilizer and remote keyless entry functions, ensuring seamless operation in modern vehicle security systems. It operates at a frequency of 125 kHz for the immobilization function and uses standard RF protocols for remote keyless entry.
Some key features include a low power consumption mode, OTP memory for data storage, and advanced encryption algorithms to prevent unauthorized access. The PCF7926ATT/C1AC0700 is also known for its robust performance under various environmental conditions, making it reliable for automotive applications.
The compact design of the chip allows for easy integration into small key fobs, contributing to its widespread adoption in the automotive industry for secure and efficient vehicle access solutions.

The PCF7926ATT/C1AC0700 is a transponder chip used in automotive applications, particularly in keyless entry and immobilizer systems. Equivalent products from other manufacturers may include transponder chips like the NXP’s PCF7941, the Atmel (now Microchip) ATA5577, and the Texas Instruments TMS37F128. These chips offer similar functionalities but may have different specifications, so it's essential to compare features and compatibility with your specific application requirements.

The PCF7926ATT/C1AC0700 is a transponder chip commonly used in automotive immobilizer systems. Key features include:
1. RFID Technology: Operates in the 125 kHz frequency range, suitable for passive RFID systems.
2. EEPROM Memory: Equipped with user-programmable EEPROM memory, allowing storage of data such as unique identifiers and encryption keys.
3. Cryptographic Features: Supports encryption algorithms for secure data transmission, enhancing security against cloning and unauthorized access.
4. Low Power Consumption: Designed to function efficiently with minimal power, making it ideal for passive applications where it's powered by the reader's electromagnetic field.
5. Compatibility: Compatible with various automotive communication protocols, facilitating integration with existing systems.
6. Robust Design: Built to withstand harsh automotive environments, including temperature fluctuations and electromagnetic interference.
These features make the PCF7926ATT/C1AC0700 a reliable choice for secure vehicle access and anti-theft systems.

The PCF7926ATT/C1AC0700 is a transponder IC commonly used in automotive applications, particularly for immobilizers and remote keyless entry systems. It is part of the NXP PCF79xx series. The PCF7926ATT typically comes in a small package suitable for integration into automotive key fobs.
The pin count for the PCF7926ATT is typically 8 pins, as it is often packaged in a standard small-outline format like TSSOP or HVQFN. The exact pin configuration may vary based on the specific package type used.
The primary functions of the PCF7926ATT include secure access and communication with a vehicle's electronic control unit (ECU). It facilitates bidirectional communication with the vehicle's systems, allowing for secure authentication and command transmission. Additionally, this IC often incorporates features like encryption, unique identifiers, and support for various communication protocols, ensuring reliable and secure operation within automotive security systems.
For precise pin configuration and functional details, consulting the specific datasheet or technical documentation from NXP is recommended.

The PCF7926ATT/C1AC0700 is manufactured by NXP Semiconductors. NXP is a global semiconductor manufacturer known for developing solutions for various applications, including automotive, communication, and consumer electronics. The company specializes in producing integrated circuits, microcontrollers, and other semiconductor devices. NXP is particularly recognized for its innovations in secure connectivity and infrastructure for the Internet of Things (IoT).

The PCF7926ATT/C1AC0700 is typically used in automotive applications, specifically in car key fobs and remote keyless entry systems. It functions as a transponder chip, offering secure vehicle access and immobilizer features. The chip supports communication between the key fob and the car’s security system, ensuring only authorized access to the vehicle. Additionally, it may also be used in passive entry passive start (PEPS) systems to enhance vehicle security and user convenience. Its compact size and advanced security protocols make it suitable for modern automotive security solutions.

The PCF7926ATT/C1AC0700 typically comes in a HVQFN32 (Heat-enhanced Very Thin Quad Flat No-lead) package, which is a 32-pin leadless package known for its compact size and effective thermal performance.