STMicroelectronics

ST25DV04K-IER8C3

ST25DV04K-IER8C3 Description

The ST25DV04K-IER8C3 from STMicroelectronics is a high-performance 13.56MHz RFID transponder designed for seamless integration into NFC and ISO 15693 compliant systems. This surface-mount device operates across a wide voltage range (1.8V to 5.5V), making it versatile for low-power and battery-operated applications. With 4Kbit EEPROM memory, it supports I2C interface for direct communication with host microcontrollers, enabling efficient data exchange in embedded systems. Packaged in an 8-pin UFDFPN and supplied in Tape & Reel (TR), it is optimized for automated assembly. The device is ROHS3 compliant, REACH unaffected, and rated MSL 1 (Unlimited), ensuring reliability in harsh environments.

ST25DV04K-IER8C3 Features

• Dual-interface (RF/I2C): Combines wireless NFC/RFID communication with wired I2C for flexible system integration.
• Low-power operation: Supports 1.8V to 5.5V supply, ideal for energy-sensitive applications.
• 4Kbit EEPROM: Provides non-volatile storage for configuration data, user settings, or secure credentials.
• ISO 15693 & NFC compliant: Ensures interoperability with standard RFID/NFC readers and smartphones.
• High-speed I2C (up to 1MHz): Enables rapid data transfer between the transponder and host MCU.
• Tamper-resistant design: Features password-protected memory areas for secure data handling.

ST25DV04K-IER8C3 Applications

• Smart industrial tags: For asset tracking, maintenance logs, and factory automation.
• IoT edge devices: Enables NFC configuration and wireless firmware updates in sensors and gateways.
• Consumer electronics: Used in wearables, smart home devices, and accessories for secure pairing/data transfer.
• Medical equipment: Stores calibration data or patient information with secure access control.
• Retail & logistics: Embedded in labels for inventory management and anti-counterfeiting.

Conclusion of ST25DV04K-IER8C3

The ST25DV04K-IER8C3 stands out for its dual-interface flexibility, low-voltage operation, and robust security features, making it a superior choice for modern RFID/NFC applications. Its compliance with ISO 15693 and NFC standards ensures broad compatibility, while the I2C interface simplifies integration with embedded systems. Whether for industrial IoT, consumer electronics, or secure authentication, this transponder delivers reliability, performance, and scalability in a compact, surface-mount package.