NFC/FRAM/MCU transponder for industrial, medical, and wearable designs

NFC/FRAM/MCU transponder for industrial, medical, and wearable designs

Feature articles |
By eeNews Europe

Positioned as the first flexible high frequency 13.56 MHz sensor transponder family, TI’s highly integrated ultra-low-power RF430FRL15xH system-on-chip (SoC) family combines an ISO 15693-compliant Near Field Communication (NFC) interface with a programmable microcontroller (MCU), non-volatile FRAM, an analogue-to-digital converter (ADC) and SPI or I²C interface. The dual-interface RF430FRL15xH NFC sensor transponder is optimised for use in fully passive (battery-less) or semi-active modes to achieve extended battery life in a wide range of consumer wearables, industrial, medical and asset tracking applications.

Non-volatile FRAM combines the speed, flexibility and endurance of SRAM with the stability and reliability of flash – while providing lowest power consumption and virtually unlimited write cycles. The device enables product designs an analogue or digital interface, data-logging capabilities and data transfers to an NFC-enabled reader. The RF430FRL15xH transponder acts as a sensor node for these applications and generates an IoT-ready solution when an NFC-enabled device pushes the data to the cloud.

The RF430FRL15xH enables the design of maintenance-free and hermetically sealed galvanic isolated sensor systems in the industrial markets. These sensors are powered by the RF field and communicate wirelessly through NFC to collect and log data. In medical or health and fitness applications, the RF430FRL15xH can be used in disposable patches that sense parameters such as temperature or hydration. The device monitors and logs data in local storage (FRAM) before transferring it to an NFC-enabled tablet or smartphone.

Logistics applications such as food tracking need constant temperature control, which can be monitored and logged with the RF430FRL15xH transponder. It allows the design of highly integrated, size-optimized and easy-to-use data loggers with several sensors that connect to NFC-enabled devices and readers throughout the distribution channel.

The RF430FRL152HEVM evaluation module will be supported with an educational webinar. The evaluation board can be powered with a battery, USB or by harvesting RF energy from a nearby NFC-enabled reader or smartphone. For further expansion, the evaluation board is compatible with a number of BoosterPacks from TI’s low-cost LaunchPad rapid prototyping ecosystem, such as the Sensor Hub BoosterPack offering connectivity for additional sensors. The RF430FRL152HEVM kit is available from the TI Store for $19.90.

The RF430FRL152H NFC sensor transponders cost $2.50 (1000). Additional device derivatives include the RF430FRL153H (without SPI/I²C) and RF430FRL154H (without sigma-delta ADC).

Texas Instruments;

Next page; product feature list…

Supports wireless communication via the ISO/IEC 15693, ISO/IEC 18000-3 compliant RFID interface.

Optimised for 1.5 V single-cell-battery-powered designs or battery-less designs that harvest energy from the RF field generated from an NFC reader at the same reading distance. Intelligent power management includes a battery switch to ensure long battery life.

14-bit sigma-delta ADC with ultra-low input current, low noise and ultra-low offset enables developers to connect up to three additional external sensors in addition to the integrated temperature sensor.

SPI or I²C interface can support digital sensors or connect the device to a host system.

Application code embedded in ROM manages RF communication and sensor readings to provide flexibility in configuring the device. Developers can configure sampling rates, measurement thresholds and alarms.

Universal non-volatile memory (FRAM) allows data storage as well as extension and adjustment of application code.

Integrates a 16-bit ultra-low-power programmable MSP430 CPU core that is supported by a robust ecosystem of development tools.

Fully integrated into TI’s Code Composer Studio (CCS) and IAR’s Embedded Workbench integrated development environments (IDEs).

If you enjoyed this article, you will like the following ones: don't miss them by subscribing to :    eeNews on Google News


Linked Articles