The PMB2800FV3.2 is a single-chip transceiver IC manufactured by Infineon Technologies, designed primarily for automotive keyless entry systems. It integrates both a transmitter and a receiver, operating in the 315/434 MHz ISM bands, commonly used for remote keyless entry (RKE) and passive entry/passive start (PEPS) applications. The device is designed for low power consumption and high sensitivity to enable reliable communication over extended ranges.

Applications:

• Remote Keyless Entry (RKE) systems
• Passive Entry/Passive Start (PEPS) systems
• Remote control applications in automotive systems
• Tire Pressure Monitoring Systems (TPMS)

Features:

• Integrated transmitter and receiver
• Supports ASK/FSK modulation
• High receiver sensitivity
• Adjustable transmitter output power
• Low power consumption in standby and active modes
• Integrated PLL for frequency generation
• SPI interface for communication with microcontrollers
• Wake-up timer for power saving
• On-chip antenna matching
• Automotive-grade qualification (AEC-Q100)

Benefits:

• Extended operating range due to high sensitivity receiver
• Improved battery life due to low power consumption
• Simplified system design due to high level of integration
• Reduced BOM cost with fewer external components
• Enhanced security through robust communication
• Reliable operation in harsh automotive environments

Additional Details:

The PMB2800FV3.2 is typically supplied in a small QFN package. Its flexible architecture allows for easy integration into various automotive applications. The SPI interface enables straightforward control and monitoring of the transceiver's functions by a host microcontroller. The integrated PLL ensures accurate and stable frequency generation, critical for reliable communication. The adjustable transmitter output power enables optimizing the trade-off between communication range and power consumption. Furthermore, the device incorporates various protection features to prevent damage from over-voltage, over-current, and short-circuit conditions, contributing to its robustness and reliability in demanding automotive environments. The automotive qualification (AEC-Q100) ensures that the device meets the stringent requirements for automotive applications.