To integrate wireless charging into compact electronics, IDT has introduced a wireless power reference kit. The Qi-basedtransmitter and receiver reference kit targets designs requiring 3W or less, such as smartwatches, headphones, health and fitness trackers and portable medical devices.
Wearable
Electronic compass reduces error
Used in smartphones, smartwatches, fitness trackers and other wearable devices, the LSM303AGR eCompass cuts the heading error to less than 4°, says STMicroelectronics. Current solutions can give errors of about 10° in latitudes such as Northern Italy or Northern California, points out the company, which can put the user off-course by 150m or more in every 1km travelled.
Free software simplifies the detection of activity
Three additions to the Open.MEMS portfolio of free software libraries for motion-sensing application development have been announced by ST Microelectronics.
Digital pressure sensor’s ASIC lowers current consumption
A low current consumption model has been added to the HSPPAD series of digital pressure sensors for integration into smartphones, tablets and wearable devices. The HSPPAD042A has been developed in response to the need smartphones, tablets and wearable electronics using different kinds of software and applications which demand higher performance while increasing the power requirement. Sensors need to be not only power-efficient but also more compact given the higher number of parts integrated, says the company.
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