STMicroelectronics

ST25R3916B-AQET

ST25R3916B-AQET Description

The ST25R3916B-AQET from STMicroelectronics is a high-performance 13.56MHz RFID reader/transponder IC designed for automotive-grade applications. It supports multiple RFID/NFC standards, including ISO 14443, ISO 15693, FeliCa, MIFARE, and NFC, making it highly versatile for contactless communication. Operating within a 2.6V to 5.5V supply range, it is optimized for low-power and high-efficiency performance. The device features I2C and SPI interfaces for seamless integration with microcontrollers and embedded systems. Packaged in bulk and compliant with ROHS3 and REACH environmental standards, it is suitable for demanding industrial and automotive environments.

ST25R3916B-AQET Features

• Automotive-Grade Reliability: Meets stringent automotive quality and durability requirements.
• Multi-Standard Support: Compatible with ISO 14443, ISO 15693, FeliCa, MIFARE, and NFC, ensuring broad interoperability.
• Wide Voltage Range (2.6V–5.5V): Enables flexible power supply options for battery-powered and embedded systems.
• Dual Interface (I2C & SPI): Facilitates easy integration with host processors.
• Low-Power Operation: Optimized for energy-efficient applications.
• Moisture Sensitivity Level (MSL 3): Suitable for extended storage (168 hours) before reflow soldering.
• REACH Unaffected & ROHS3 Compliant: Environmentally friendly and compliant with global regulations.

ST25R3916B-AQET Applications

• Automotive NFC Solutions: Keyless entry, in-vehicle payment systems, and secure authentication.
• Industrial RFID Systems: Asset tracking, inventory management, and access control.
• Consumer Electronics: Smartphones, wearables, and IoT devices requiring NFC/RFID functionality.
• Payment Terminals: Secure contactless transactions supporting MIFARE and FeliCa.
• Embedded Systems: Integration into medical devices, vending machines, and smart appliances.

Conclusion of ST25R3916B-AQET

The ST25R3916B-AQET stands out as a highly reliable, multi-standard RFID/NFC reader IC tailored for automotive and industrial applications. Its wide voltage range, low-power design, and dual-interface support make it a superior choice for developers seeking robust and flexible contactless communication solutions. Whether for secure access, payment systems, or IoT connectivity, this IC delivers performance, compliance, and versatility in a compact, surface-mount package.