Overview
The PCF7952ATT/C2BC20J is a highly integrated keyless entry/go IC developed by NXP USA Inc. This component is part of the ACTIC-Pro family, which is renowned for its low-power consumption and advanced features in car access and immobilizer solutions. The PCF7952ATT/C2BC20J is designed to provide seamless vehicle entry and push-to-start functions, enhancing the convenience and security of keyless entry systems.
Key Specifications
| Specification | Details |
|---|---|
| Package | 24-TSSOP (0.173", 4.40mm Width) |
| Microcontroller Architecture | Low-power 8-bit microcontroller |
| Memory | 512 byte RAM, 1 kB EEPROM, 8 kB ROM |
| LF Frontend | 125 kHz 3D LF frontend |
| Power Consumption | Ultra-low power consumption for long battery life |
| Operating Temperature | |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Modulation or Protocol | UHF |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Highly integrated for low bill of materials and minimum board space
- Easy design-in with high LF sensitivity and fast RSSI
- Hardware immobilizer security algorithm
- Receive Signal Strength Indication (RSSI) for key location
- Low-power consumption for long battery life
- Support for inside/outside detection
- Backup mode for low battery conditions using an immobilizer basestation
Applications
The PCF7952ATT/C2BC20J is primarily used in remote keyless entry systems for vehicles. It enables seamless unlock and push-to-start functions, enhancing the convenience and security of car access and immobilizer solutions
Q & A
- What is the primary application of the PCF7952ATT/C2BC20J?
The primary application is in remote keyless entry systems for vehicles.
- What microcontroller architecture does the PCF7952ATT/C2BC20J use?
It uses a low-power 8-bit microcontroller architecture.
- What are the key features of the LF frontend in the PCF7952ATT/C2BC20J?
The LF frontend operates at 125 kHz and includes a 3D LF frontend for enhanced sensitivity.
- How does the PCF7952ATT/C2BC20J manage power consumption?
It features ultra-low power consumption for long battery life.
- What is the memory configuration of the PCF7952ATT/C2BC20J?
It includes 512 byte RAM, 1 kB EEPROM, and 8 kB ROM.
- Is the PCF7952ATT/C2BC20J RoHS compliant?
Yes, it is lead free and RoHS compliant.
- What is the package type of the PCF7952ATT/C2BC20J?
The package type is 24-TSSOP (0.173", 4.40mm Width).
- How does the inside/outside detection work in the PCF7952ATT/C2BC20J?
The system uses RSSI and LF signals to detect whether the key is inside or outside the vehicle.
- What is the backup mode for low battery conditions in the PCF7952ATT/C2BC20J?
The system can operate in a backup mode using power supplied by an immobilizer basestation when the battery is low.
- What security protocols does the PCF7952ATT/C2BC20J support?
It supports hardware immobilizer security algorithms and multi-mode crypto units, though specific protocols like AES-128 are mentioned in the context of other related ICs.
