Intelligent sensors automatically sense human presence
Three sensors, the PerSe Connect, PerSe Connect Pro and PerSe Control, have been released by Semtech. They can be used in smartphones, laptops and wearables.
The PerSe sensors intelligently sense human presence near the mobile device and other consumer electronics, and enable advanced RF control when the user is in close proximity. The smart human sensing feature, low power and tiny footprint enable the sensors to be used in a range of wearable applications, such as gesture control and automation.
Consumer electronics manufacturers can integrate the sensors for connectivity in 5G/Wi-Fi 6 with increased RF performance in smartphones and laptops, while also helping ensure compliance with the worldwide Specific Absorption Rate (SAR) regulations, explains Semtech. PerSe is claimed to provide best-in-class sensing and robust noise immunity allowing OEMs and ODMs to design devices with longer detection distance within a smaller sensor area.
The PerSe Connect sensor enhances connectivity for smartphones and laptops (5G Sub-6, 4G and Wi-Fi). They help optimise the RF power for best connectivity and help to maintain SAR compliance while delivering a fast wireless experience, says Semtech.
The PerSe Connect Pro is designed for high band 5G mmWave devices in smartphones, laptops and tablets. It enables higher sensing distance to safely manage the increased RF exposure, confirms Semtech.
The third model is PerSe Control which enables smarter control in wearables. It enables human detection, automatic on/off and start/stop response. It also delivers gesture control and response including smart assistant, noise cancellation activation and media player control.
“Smart sensors, such as the PerSe portfolio from Semtech, can differentiate between humans and inanimate objects, including handheld positions. This advanced sensing capability is essential for mobiles, wearables and 5G mmWave devices to deliver a superior user experience,” said Joe Hoffman, director, intelligent edge and sensor technologies research at SAR Insight. “Mobile, portable and wearable devices complicate the design window of performance, battery life and human RF absorption,” he added.