Designed for wearable products, the TZ1041MBG is an application processor that has been added to Toshiba Electronics Europe’s ApP LiteM TZ1000 family.
Wearable
Evaluation board simplifies NFC in wearables, IoT, smart cities
To accelerate the design of wearables, product identification, and smart-city applications, the Cloud-ST25TA evaluation board is based on STMicroelectronics’ ST25TA02K chip. Engineers can use it to start adding an NFC interface to any kind of electronic device, from Bluetooth audio products and wearable devices to NFC posters and business cards.
The board consists of a range of NFC Forum Type 4 tag chips with what is claimed to be the industry’s widest range of integrated EEPROM size (512bit up to 64kbit) with data retention times of up to 200 years. It also operates across the industry’s widest temperature range (-40 to +85°C), and can endure one million erase-write cycles.
ESD suppressor protects electronics from discharge
Based on breakthrough ESD technology, the XGD Series Xtreme-Guard ESD suppressor are available in 0402- and 0603-sized, flat-topped surface mount packages from Littelfuse.
They protect sensitive electronics against ESD as high as 30kV and are suitable for high voltage applications up to 32V DC. They can absorb repetitive ESD strikes nearly four times the maximum level specified in the IEC61000-4-2 international standard without performance degradation, claims the company. Extremely low capacitance makes them suitable for use in high-frequency and high-speed data, video, antenna and I/O circuits.
According to the company, even after multiple ESD strikes, it exhibits low current leakage (less than 1nA), ensuring minimal power losses, for battery-powered electronics, like wearables. Both sizes offer much higher voltage ratings than other ESD suppressors with similar board footprints, claims the company and they offer greater ESD protection than many TVS diodes while providing lower capacitance and leakage current and higher voltage ratings.
LED die expands scope for wearable products
The colour choice of dotLEDs from Plessey Semiconductors has been expanded. The selection, includes red, green and blue for the die which has a footprint of 0.2 x 0.2mm, a suitable low profile for wearable devices, says the company.
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