WiFi IoT combo chip acts as a people sensor

WiFi IoT combo chip acts as a people sensor

New Products |
By Nick Flaherty

Synaptics has developed a combo chip with both Wifi 6E and Bluetooth 5.3 that acts as a sensitive sensor.

The SYN43711 combo chip can detect the presence of humans, estimate their motion, approximate their location, and sense subtle gestures and movements such as breathing.

The chip is aimed at applications in the Internet of Things (IoT) that need high WiFi data throughput and range such as high-end home appliances, surveillance cameras, robots, and other consumer, industrial, and enterprise systems.

The chip handles a single data stream at 600Mbit/s for a more cost-effective, small-form-factor design than the dual-stream (2×2, 1200 Mbps) SYN43756E and Triple Combo SYN438x series). The SYN43711.

But the chip also includes WiFi Sensing with a proprietary algorithm to analyze Channel State Information (CSI) that allows the sensing capability.

The SYN43711 operates in the 2.4, 5, and 6 GHz bands and features Synaptics’ Smart Co-Ex technology for WiFi/Bluetooth coexistence. It is IEEE 802.11ax compliant and supports Bluetooth 5.3 with LE Audio for multiple concurrent Bluetooth connections and audio streams, including Auracast. 

A shared WiFi and Bluetooth receive signal path eliminates the need for an external RF switch while maintaining high sensitivity.

“Wireless is integral to Synaptics’ comprehensive ‘Sense, Process, Connect’ strategy and product portfolio for the IoT,” said Brandon Bae, Senior Director of Product Marketing at Synaptics.

“The SYN43711 is a high-performance WiFi and Bluetooth solution that enables a broader range of network edge applications. These include video distribution, where consistently high throughput is required, and AI-enabled compute, where data must be communicated securely and reliably with low latency.”

The SYN43711 is available in the two most widely used WLBGA packages: standard and plated-through-hole (PTH) compatible to reduce PCB implementation costs as a WiFI sensor and is sampling to key customers now, with production quantities available in Q1, 2024.

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