STMicroelectronics ST25TV02KC-ASEAL

Overview

ST25TV02KC-ASEAL from STMicroelectronics is a ready-to-use discovery board for the ST25TV02KC NFC Forum Type 5 tag IC, featuring an integrated Class 6 single-layer inductive antenna, tamper-detect capability, TruST25 digital signature, and Augmented NDEF (ANDEF) support. It enables rapid evaluation of contactless data exchange, secure authentication, and anti-tampering in smart packaging and asset tagging applications.

For engineers reviewing the ST25TV02KC-ASEAL datasheet, ST25TV02KC-ASEAL pinout, ST25TV02KC-ASEAL application, or ST25TV02KC-ASEAL equivalent, this board provides immediate access to ISO/IEC 15693 RF interface validation, tamper event logging, TruST25 signature verification, and ANDEF payload handling - all without custom PCB design or antenna tuning.

Technical Context

The ST25TV02KC-ASEAL implements a complete NFC tag evaluation platform centered on the ST25TV02KC IC in UFDFPN5 ECOPACK2 package. It integrates a calibrated 13.56 MHz inductive antenna with internal 23 pF tuning capacitance, enabling direct interoperability with ISO/IEC 15693 readers and NFC smartphones.

Tamper detection is implemented via dedicated TD0/TD1 terminals connected to the ST25TV02KC's tamper-sensing inputs, while TruST25 leverages on-chip ECC-based digital signing using a factory-programmed key. ANDEF extends standard NDEF by embedding integrity metadata and versioning within the message structure.

Key Specifications

Availability

ST25TV02KC-ASEAL is available at Aetrix Electronics and suitable for NFC tag prototyping, secure product authentication, tamper-evident packaging validation, and ANDEF-based firmware update verification requiring stable component supply.

Supply support for ST25TV02KC-ASEAL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, sensors, power ICs, and secure NFC solutions for industrial, automotive, and consumer markets.

The ST25TV series targets secure, battery-free contactless identification and data exchange; the ST25TV02KC-ASEAL specifically delivers a turnkey evaluation path for tamper-aware, cryptographically signed NFC tagging in regulated environments.

FAQ

Does the ST25TV02KC-ASEAL require external power or a battery?

No. The board operates entirely passively via inductive coupling from an ISO/IEC 15693 reader or NFC smartphone. The ST25TV02KC IC harvests energy from the 13.56 MHz RF field to power its logic, memory, and TruST25 signature engine - no onboard power source or wiring is needed.

How is tamper detection implemented on this board?

Tamper detection uses the ST25TV02KC's dedicated TD0 and TD1 pins, which are routed to exposed test points on the board. An external conductive seal bridging these points maintains a closed circuit; physical breach opens the loop, triggering a non-volatile tamper flag and invalidating subsequent TruST25 signatures until reset by authorized command.

Can the ST25TV02KC-ASEAL be used with Android smartphones?

Yes. It is fully compatible with Android devices supporting NFC Forum Type 5 and ISO/IEC 15693. Standard NFC apps (e.g., NFC Tools) can read/write standard NDEF records; TruST25 and ANDEF features require ST's proprietary ST25 NFC app or custom implementation using ST's Android SDK and public API documentation.

What antenna performance metrics are validated for this board?

The integrated Class 6 single-layer antenna is pre-tuned with 23 pF internal capacitance and validated for ≥5 cm read range with ST25R3916-based readers under IEC 62209-2 conditions. Antenna Q-factor, impedance match (50 Ω nominal), and field homogeneity across the loop surface meet NFC Forum Analog Performance Requirements v2.0.