Evgeniia Prein
Evgeniia Prein
Campaign Manager for Connectivity
Published: November 3, 2023

From consumer goods to Industry 4.0, from self-driving vehicles to entire smart home ecosystems, everything is being seamlessly connected. But what's the role of Near Field Communications (NFC) in this transformation?

NFC has already made its mark and by 2026, an estimated 1.6 billion NFC-enabled devices will ship annually (ABI Research, 2022).

The pandemic played a significant role in boosting NFC usage, driving its expansion beyond payment scenarios. Consumers now heavily rely on NFC technology for various applications (Phil Sealy, ABI Research). The question then arises: What applications are propelling this growth and these numbers?

Within the vast realm of IoT applications, we'll delve into NFC-enabled applications that hold immense potential for development and growth with a particular focus on authentication and access control.

Authentication and Access Control: Bridging Possibilities

From passport control kiosks to smart home ecosystems, NFC is a ubiquitous element of our daily experiences. Its value lies in document identification, part authentication, fast pairing, easy information access, user identification, automation enhancement, personalization, and more.

Consider Phillips and Xiaomi's use of NFC for brand protection. Phillips leverages NFC to authenticate toothbrush sets, streamlining the matching of toothbrush heads with bodies. Xiaomi adopts NFC to authenticate filters for its air purifiers. The implications are profound. Imagine instant compatibility knowledge with a tap. And think of the paper saved by accessing instructions and manuals on a smartphone, fostering a greener world.

Furthermore, NFC empowers brands to gain real-time market insights, refine products, enhance customer satisfaction, and foster brand loyalty. Its benefits are endless.

Renesas NFC reader products emerge not only as an enabler for Point of Sale terminals but also as a game-changer for authentication in IoT applications. Its high output power and sensitivity enable tiny reader antennas, facilitating sleek designs, reducing BOM size, and minimizing costs.

Shifting to access control, NFC infiltrates even our notions of hotel keys. The familiar plastic card and reader on the door, a symbol of modern convenience, also embrace NFC technology.

Now, let's look more closely at smart locks and their pivotal role in the IoT landscape.

Smart Locks: Beyond Keys and Conventional Locks

Looking deeper into the IoT ecosystem, smart locks are a fundamental application. The history of smart home technology traces back to 1975 with X10, an early home automation platform. Initially limited to early adopters, the concept has since evolved. Giants like Apple and Amazon entered the scene with HomeKit and Alexa in 2014, driving smart home adoption.

Smart homes wouldn't be complete without smart locks. The digitization of various aspects of our lives – payments, identification, communication – naturally extends to locks and keys. Convenience, more than safety, drives users towards digital keys. NFC enables access via smartphones, smartwatches, cards, rings, or keychain fobs.
While NFC isn't the most widespread protocol for smart locks, its popularity has grown. NFC's short-distance communication and low energy consumption make it ideal for access control. Its efficiency is striking, with a small battery sustaining NFC-enabled locks for months or even years. Active NFC locks can interact with passive "keys," requiring no power source. Unlocking doors becomes effortless through electromagnetic inductance, granting swift access.

NFC enhances not only security but also management, monitoring access, granting permissions, and even remote control operation. Although Bluetooth® is more recognized, the more than 1 billion NFC-enabled smartphones manufactured annually, along with smartwatches and more, hint at NFC's impending surge in smart locks.

PTX105R Brings Unique Advantages to the IoT

Integrating NFC into your application has never been easier. The latest Renesas reader is designed to simplify the entire process. Thanks to the innovative Direct Antenna Connection (DiRAC™) architecture, the direct antenna connection significantly reduces the complexity of antenna design. Say goodbye to intricate hardware setups, our reader makes it simpler than ever. With the SCPA architecture, our NFC front-end technology, you can achieve EMC certification without requiring extra filters. PTX105R reduces spurious emissions, ensuring a smoother certification process. The Split Stack technology in our NFC stack minimizes the memory and power usage of your host MCU, allowing you to simplify your software integration and making your application more efficient.

PTX105R Block Diagram
PTX105R Block Diagram

We understand the importance of reliability and consistent performance in NFC devices. Our reader ensures:

  • Interoperability in all forms: Whether your device is a tag or a smartphone, our reader guarantees interoperability across various antenna configurations. You have complete control over the RF signal and modulation on the antenna.
  • Reduced signal distortion: Minimize signal distortion caused by over/undershoot, which in turn reduces disturbances within your system. This means a more reliable and consistent performance.
  • Consistency across devices: Fewer antenna-matching components and related tolerances result in reduced device-to-device performance variations. Your users can rely on a consistent experience every time.

Unlock the full potential of your application with NFC. It can expand the range of use cases supported by your device, such as brand protection, authentication, or payment. Even without prior experience with NFC, the Renesas PTX105R reader makes it more accessible than ever. Embrace the future of connectivity and enhance your application with the most suitable NFC reader on the market.

As NFC reshapes and revolutionizes IoT applications, it's clear that the future will be opened with a tap, a token, and the power of NFC technology.

Visit the PTX105R NFC controller page to learn more about the product and order samples.

To see more NFC user case examples, visit our NFC product page. 

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