company blog about Recycle ST ST25 NFC Product:NFC Tags,Dynamic NFC Tags,NFC Readers

Recycle ST ST25 NFC Product:NFC Tags,Dynamic NFC Tags,NFC Readers

As a leading enterprise in the electronic component recycling industry, Shenzhen Mingjiada Electronics Co., Ltd. provides comprehensive recycling solutions through professional services, competitive pricing and a principled business philosophy.

Recycling Highlights:

I. Product Categories

Specialising in various mainstream original manufacturer components:

- Primarily recycling memory (DDR3/4/5, LPDDR, NAND flash, eMMC, UFS, etc.), microprocessors (MPU/MCU), FPGA/SoC, 5G/Bluetooth/WiFi 6 communication chips, automotive-grade ICs, AI/AR chips, sensors and module products; We only accept brand-new, genuine products sourced from authorised channels; counterfeit, disassembled, unidentified-origin or severely damaged components will not be accepted.

Comprehensive brand portfolio: covering inventory from leading international manufacturers and top domestic chip suppliers; model compatibility spans consumer, industrial and automotive applications.

Diverse inventory types: factory surplus stock, project surplus, over-purchased stock, goods compliant with customs regulations, port returns and full warehouse clearances; we support bulk and full-container recycling, whilst also accepting small batches of high-quality stock.

II. Condition and Testing Standards

Packaging requirements: Priority is given to products with original boxes, tubular packaging or vacuum-sealed packaging, accompanied by complete batch numbers and COC documents. Bulk products must undergo X-ray inspection and functional testing to confirm wafer layer integrity and the absence of physical damage, corrosion or oxidation.

Data security compliance: Standardised data erasure protocols are performed on chips and modules with storage capabilities, accompanied by erasure reports, to prevent customer data leakage.

Graded Pricing System: Graded as “Brand New & Unopened > Unused & Opened > Tested & Approved > Repairable Stock”; quotations are dynamically adjusted based on global real-time market conditions, model scarcity, year of manufacture and market demand.

III. Recycling Solutions

Global Coverage: Supports cross-border delivery, door-to-door collection and global logistics tracking; multi-currency settlement.

Flexible Transaction Models: Cash on delivery (24–48-hour rapid settlement), consignment sales, consignment inventory and bulk warehouse clearance; meeting clients’ diverse needs regarding capital recovery and inventory management.

Channel Legitimacy: We collaborate exclusively with authorised distributors, original equipment manufacturers and compliant traders; we reject goods from illegal sources, smuggled goods or infringing materials; mutual obligations are clearly defined through compliance agreements.

Near Field Communication (NFC), a short-range wireless communication technology operating in the 13.56 MHz high-frequency band, has become widely adopted across multiple sectors—including consumer electronics, industrial manufacturing, healthcare and automotive electronics—thanks to its convenience, low power consumption and high compatibility. The ST25 series of NFC products comprises a comprehensive product portfolio covering NFC tags, dynamic NFC tags and NFC readers. With performance compliant with international standards, a wealth of functional configurations and flexible application adaptability, it has become a core choice for global NFC solutions, providing reliable support for various smart connectivity scenarios.

I. ST25 NFC Tags: Convenient and Efficient Information Carriers

ST25 NFC tags are battery-free, passive chips for information storage and interaction. They derive energy from the magnetic field generated by NFC/RFID readers or NFC-enabled smartphones to enable data reading and writing, requiring no additional power supply. Characterised by their small size, low cost and ease of integration, they are widely used in basic NFC scenarios such as product identification, anti-counterfeiting and traceability, and asset tracking.

Key Features

ST25 NFC tags fully comply with NFC Forum standards and relevant ISO/IEC RFID specifications, ensuring high interoperability across devices and scenarios. They are compatible with mainstream NFC-enabled smartphones and HF readers worldwide. The product range covers a variety of storage capacities, with options ranging from 512-bit to 64-Kbit EEPROM memory, meeting the information storage requirements of different scenarios. It also offers a data retention period of up to 40–60 years and over a million read/write cycles, ensuring long-term, stable data preservation.

In terms of security, certain models integrate TruST25™ digital signatures, 64-bit/128-bit encryption, and multi-zone data protection mechanisms, effectively preventing data tampering and counterfeiting, making them suitable for scenarios with high anti-counterfeiting requirements, such as luxury goods and pharmaceuticals. Furthermore, the tags support enhanced NDEF services, enabling the dynamic generation of response content. Combined with the long-range communication advantages of the ISO/IEC 15693 standard, they offer a wider read range and a superior user experience compared to traditional Type 2 and Type 4 tags.

Representative Products and Applications

The ST25TV series is the flagship product of ST25 NFC tags. As the first solution to combine ISO/IEC 15693 long-range communication, tamper detection and enhanced NDEF functionality, it offers models such as the ST25TV02KC (2.5 Kb EEPROM) and ST25TV512C (512-bit EEPROM) and other models. Suitable for applications in healthcare, consumer packaged goods, wine and spirits, and asset tracking, it enables end-to-end supply chain traceability and interaction with end consumers.

The ST25TA series, based on the ISO 14443-A RF interface, is an NFC Forum Type 4 tag that supports the NDEF data exchange format and features advanced authentication capabilities. With storage capacities ranging from 2 Kbit to 64 Kbit, it is widely used in applications such as luxury goods anti-counterfeiting, smart posters, virtual business cards and Bluetooth pairing, enabling seamless connectivity between physical objects and the digital world.

II. ST25 Dynamic NFC Tags: Flexible and Interactive Bridges for Smart Connectivity

The ST25 Dynamic NFC Tag is a high-end NFC IC product. Compared to standard NFC tags, it offers greater flexibility and interactivity. It operates without a battery, drawing power from the magnetic field of NFC/RFID readers via energy harvesting technology. It also supports I²C or PWM wired interfaces for connection to microcontrollers (MCUs), enabling bidirectional dynamic data exchange. It is an ideal choice for applications such as industrial control, smart homes and device commissioning.

Key Features

The ST25 Dynamic NFC Tag complies with NFC Forum standards and the ISO 15693 specification. It achieves data transfer rates of up to 848 kbps in contactless mode, with certain models supporting Fast Transfer Mode (FTM). A 256-byte mailbox buffer enables high-speed data exchange between the RF and I²C domains, facilitating efficient operations such as firmware updates, parameter configuration and data log downloads.

The product boasts exceptional energy harvesting capabilities, enabling it not only to power itself but also to drive an external MCU. With power consumption below 1 µA in standby mode, it delivers outstanding energy efficiency. Furthermore, the dynamic tag supports a variety of flexible interrupt options and configurable GPO outputs, enabling functions such as MCU wake-up and device status control. It is also equipped with security mechanisms including 64-bit password protection and data block locking to ensure the security of data transmission and storage. A wide range of package options is available, including SO8, TSSOP8 and FPN, allowing selection based on PCB design requirements to optimise design space.

Representative Products and Applications

The ST25DV series is the flagship product line of ST25 dynamic NFC tags, comprising models such as the ST25DV64KC (64 Kb EEPROM), ST25DV04KC (4 Kb EEPROM) and ST25DV16KC (16 Kb EEPROM). Some models feature PWM output, enabling control of lighting, power supplies and other devices. This series supports Matter debugging via NFC, enabling the configuration of smart home device interoperability through a simple NFC tap. It is widely used in industrial automation, smart homes, medical devices, and IoT terminals.

Furthermore, the ST25DV series features power-free programming and the ability to switch between static and dynamic registers, facilitating factory parameter configuration, on-site debugging and maintenance. This significantly simplifies the development process, reduces BOM costs, and supports the rapid deployment of smart devices.

3. ST25 NFC Reader/Writer: A Communication Core Compatible with All Scenarios

As the initiator of NFC communication, the ST25 NFC reader is responsible for generating the NFC magnetic field, activating tags (standard tags/dynamic tags) and establishing communication links. It enables operations such as data reading, writing and encrypted authentication, whilst supporting high-speed interface communication with host devices. Suitable for demanding scenarios across multiple sectors including consumer, industrial, automotive and payment applications, it serves as the core hub connecting NFC tags and terminal systems.

Key Features

The ST25 NFC Reader covers the HF (13.56 MHz) and UHF (860 MHz–960 MHz) frequency bands and is fully compatible with various international standards, including ISO 14443 A/B, ISO 15693, ISO 18092 and FeliCa. Certain models support EMVCo and PBOC payment specifications, meeting compliance requirements for scenarios such as payment terminals and access control systems. The product delivers a maximum output power of 1.4W and features a reception sensitivity as low as -90dBm. Combined with technologies such as Automatic Antenna Tuning (AAT) and Active Waveform Shaping (AWS), it significantly enhances communication stability and read range.

The reader supports three operating modes: reader mode, card emulation mode and peer-to-peer (P2P) mode. It features advanced functions such as dynamic power output (DPO), inductive wake-up and multi-antenna switching, enabling it to adapt to the communication requirements of various scenarios. It offers a wide range of interfaces, including SPI and UART serial interfaces. Certain automotive models comply with the AEC-Q100 standard and can withstand a wide temperature range of -40°C to 105°C, meeting the stringent environmental requirements of automotive electronics.

Representative Products and Applications

The ST25R series is the core product line of ST25 NFC readers and writers, comprising multiple variants to suit different application requirements: High-performance HF readers and writers such as the ST25R3911B and ST25R3916B support Very High Bit Rate (VHBR) and are suitable for consumer electronics, industrial control and payment terminals; In-vehicle readers such as the ST25R3920B and ST25R500, specifically designed for CCC digital keys and automotive dashboards, offer high reliability and wide temperature adaptability; the ST25RU3993, as a UHF single-chip reader, supports the EPC Class 1 Gen 2 protocol and is suitable for long-range asset tracking applications.

Furthermore, the ST25R series readers are equipped with comprehensive development tools and software support. Combined with ST’s development ecosystem, these enable developers to rapidly integrate solutions and shorten time-to-market, making them widely applicable in fields such as POS terminals, access control systems, automotive digital keys, industrial asset tracking and gaming devices.

IV. Core Advantages and Ecosystem Support of the ST25 NFC Series

With a product portfolio covering all scenarios, the ST25 series of NFC products forms a complete ‘tag-dynamic tag-reader’ solution. Its core advantages are reflected in three aspects: Firstly, a high degree of standardisation, with all products certified by the NFC Forum and compatible with mainstream devices worldwide, ensuring interoperability; Secondly, flexible and diverse functionality, ranging from basic information storage to dynamic data interaction, and spanning consumer, industrial and automotive applications, to meet the differentiated needs of various scenarios; Thirdly, security and reliability: the series integrates multiple encryption protection mechanisms, offering long data retention periods and strong anti-interference capabilities, making it suitable for scenarios with high security requirements.

To assist developers in rapidly implementing solutions, ST provides comprehensive ecosystem support, including development boards, antenna reference designs, software tools, companion apps such as NFC Tap, as well as resources such as online seminars, technical white papers and video courses. Additionally, ST offers global technical support and a 10-year longevity programme, providing long-term assurance for industrial and medical applications.

As a leading global provider of semiconductor solutions, ST continues to drive the innovative application of NFC technology across various industries through its ST25 series of NFC products. Whether for basic information exchange and anti-counterfeiting traceability, or for high-end industrial control and in-vehicle connectivity, the ST25 series delivers efficient, reliable and flexible NFC solutions, helping to build a smarter and more convenient connected ecosystem.