The ST25R3916-AQWT is a highly integrated Near Field Communication (NFC) reader IC from the reputable semiconductor manufacturer, STMicroelectronics. This advanced device is designed to facilitate rapid and secure NFC transactions and is suitable for a wide range of applications, including contactless payments, access control, and IoT connectivity.

Key Features

• Multi-protocol support: The ST25R3916-AQWT supports a variety of NFC protocols, including ISO14443 Type A and B, FeliCa, and ISO15693, making it highly versatile for different types of NFC applications.
• Dynamic Power Output: Equipped with an automatic antenna tuning feature, the device ensures optimal performance by dynamically adjusting the power output to compensate for external conditions.
• Low Power Consumption: With a focus on energy efficiency, this IC features a low-power card detection mode, allowing for reduced power usage in idle states without compromising responsiveness.
• Noise Suppression: The inclusion of active wave shaping and noise suppression capabilities minimizes interference, ensuring reliable communication even in noisy environments.
• Capacitive and Inductive Wake-up: The IC can be woken up by either capacitive or inductive sensing, providing flexibility in wake-up schemes to suit various application needs.

Applications

The versatility of the ST25R3916-AQWT makes it an ideal choice for a broad spectrum of NFC-enabled applications. It is particularly well-suited for:

• Contactless payment terminals
• Access control systems
• NFC readers for IoT devices
• Smart advertising and retail solutions
• Public transportation ticketing systems

Technical Specifications

The ST25R3916-AQWT operates over a wide power supply range and is available in a QFN-32 (5x5 mm) package, offering a compact footprint for space-constrained applications. Its robust design ensures compliance with the stringent requirements of the EMVCo 3.0 standard for payment systems, providing assurance of its reliability and security in financial transactions.