The ST25R3916B is a high-performance NFC universal device supporting NFC initiator, NFC target, NFC reader and NFC card emulation modes when applicable.
It can be used in contactless payment, device-pairing, wireless-charging, brand protection, and other industrial and consumer applications.
Fully compliant with EMVCo 3.1a analog and digital, this NFC IC is optimized for POS terminal applications, and enables fast EMVCo certification cycles, even under harsh conditions (e.g., antenna placed near noisy LCD displays).
Key features
- Operating modes
- Reader/writer
- Card emulation
- Active and passive peer to peer
- Key features
- Dynamic power output (DPO) controls the field strength to stay within given limits
- Active wave shaping (AWS) reduces over-and under-shoots and eases certification after EMVCo and NFC Forum
- Noise suppression receiver (NSR) allows reception in noisy environment
- Automatic antenna tuning (AAT) via variable capacitor
- Integrated EMVCo® 3.1a compliant EMD handling
Application examples
POS payment terminals 
Wireless charging 
Brand protection Recommended resources
Design with the future in mind and unlock the power of NFC with X-NUCLEO-NFC08A1's cutting-edge NFC card reader expansion board.
The ST25R3916B-EMVCO kit is a reference design representing the contactless part of a payment terminal, including the example code for the EMVCo level 1 stack.
eDesignSuite is a comprehensive, flexible suite of design aid utilities and engineering tools.
- NFC Inductance:
- Input geometry and substrate properties
- Get antenna impedance
- NFC Tuning Circuit:
- Enter antenna parameter and matching target
- Select the topology of the matching network
- The tool returns component values for the desired design targets
With its advanced features and versatile design, the ST25R3916B is the perfect solution for any payment system that requires fast and reliable NFC technology. Whether you are looking to upgrade your existing payment terminal or build a new one from scratch, the ST25R3916B is the ideal choice for ensuring secure and efficient transactions.
- NFC/RFID state of the art
- Which NFC/RFID reader for which application
- ST range of NFC/RFID readers
- Q&A session
- Technical features inside NFC readers
- Development support tools
- NFC/RFID reader demo to experiment key functionality
- Q&A session