PARTNER NEWS: STMicroelectronics has introduced a new range of dynamic tag chips that combine NFC technology with pulse width modulation (PWM) logic to enable a wide range of appliances to be set up or fine tuned at home, in the field or in the factory using either an NFC phone or an ISO 15693 RFID reader.
chips use an embedded pulse-width/period mechanism to generate control signals based on settings received via an NFC phone or RFID reader. Two variants are available, the
, giving a choice of single or dual 4mA push-pull PWM outputs “for dimming control of up to two LED lights or adjusting the speed of up to two motors independently.”
New NFC Dynamic Tag ICs from STMicroelectronics Bring Contactless Convenience to Programming Presets
Geneva / 01 Oct 2018 — ST25DV-PWM NFC Dynamic tags from STMicroelectronics introduce an innovative contactless way to program presets for products on the production line or in-situ, and simplify setup or fine-tuning at the point of use. The Dynamic tag ICs target all applications featuring PWM (Pulse Width Modulation)-based controllers, such as lighting products, motorized appliances, fans, and thermostats, using an ISO15693 RFID reader or NFC-enabled smartphone or other mobile device.
Combining ST’s proven NFC technology with PWM logic for the first time, the dynamic tag ICs generate control signals using an embedded pulse-width/period mechanism based on settings received via the (NFC Type 5 and ISO/IEC 15693 compliant) RFID interface and stored in on-chip EEPROM. The PWM outputs work as soon as the PWM block of the device is powered up, and operate independently from RF activity. To provide further convenience, the PWM configuration can be modified via the NFC interface on the fly, while the device is operating.
Two variants, the ST25DV02K-W1[1] and ST25DV02K-W2[2]
