High-Performance Multi-Protocol UHF RFID Reader IC for Industrial Applications
The ST25RU3993-BQFT from STMicroelectronics is a compact, QFN48 (7 × 7 mm) packaged UHF RFID reader IC designed for multi-protocol support, low power consumption, and industrial-grade reliability. It supports EPCglobal Class 1 Gen 2 (ISO18000-6C), ISO18000-6B, and configurable frequency bands from 840 MHz to 960 MHz, enabling global deployment. With integrated RF/baseband processing, advanced anti-collision, and flexible SPI, UART, and I²C interfaces, the device simplifies system design and optimizes tag read rates in dense environments.

Key Benefits:

• Multi-Protocol Support: EPC C1G2, ISO18000-6C, ISO18000-6B compatibility for versatile applications.

• High Sensitivity: Typical –80 dBm receiver sensitivity for reliable tag detection.

• Powerful Output: Up to +20 dBm with external power amplifier ensures extended read range.

• Flexible Interfaces: SPI, UART, and I²C for easy integration with various microcontrollers.

• Integrated Features: On-chip CRC, FIFO buffer, anti-collision algorithms, and decoding support high throughput.

• Industrial Reliability: Operating temperature range –40°C to +85°C, suitable for harsh environments.

• Compact Packaging: Small QFN48 footprint aids in miniaturized reader designs.

Applications:

• Industrial automation and asset tracking

• Logistics and supply chain management

• Retail and warehouse RFID systems

• Intelligent transport and access control

• Medical and inventory management

ST25RU3993 empowers developers to build scalable, efficient, and robust UHF RFID solutions for complex identification and tracking challenges.