Sensors

MAX25205 enables dynamic gesture sensing for automotive

5th October 2020
Alex Lynn

Designers of automotive systems can now add dynamic hand-gesture controls with greater ease at a low cost and small size with the MAX25205 data acquisition system from Maxim Integrated Products. Featuring integrated optics and a 6x10 infrared (IR) sensor array, the MAX25205 detects swipe and hand-rotation gestures without the complexity of time-of-flight (ToF) cameras at a lower cost and up to 75% smaller size.

Automakers predict driver safety will improve when gesture and proximity sensing replace knobs and touch screens for infotainment, phone, side mirror, climate, trunk, sunroof and reading lamp controls. Most gesture-sensing systems in today’s cars are based on ToF cameras that also bring high costs and complexities, which many manufacturers wish to avoid.

Maxim Integrated’s optical-based MAX25205 enables the most hand gestures at a solution cost that is up to ten times lower than ToF camera-based systems. Additionally, the gesture and proximity-sensing sensor features a high level of integration and comes in a small 4x4mm chip size, which is up to 75% smaller than ToF camera-based solutions.

This gesture solution offers a great complement solution to the voice command, as there are scenarios where voice command is not effective. Another benefit of a gesture solution is that the automotive displays do not become smeared with many finger prints as customers use their touch screens.

“Although ToF-based systems enabled gesture-sensing in luxury models, automakers are hopeful to add this stylish and life-saving feature to higher volume product tiers as well,” said Sachin Garg, associate vice president at MarketsandMarkets. “What designers need is a lower cost alternative to today’s systems in order to make the economics of gesture-sensing controls more feasible for non-luxury models.”

“Maxim Integrated’s MAX25205 is a game changer for the automotive industry,” said Szu-Kang Hsien, Executive Business Manager for Automotive Business Unit at Maxim Integrated. “By offering the most dynamic gesture control for automotive applications at the lowest cost, automakers can avoid the prohibitive costs of time-of-flight camera solutions and offer gesture sensing in more car models. It offers a stylish, cool factor to cars, especially for laid back drivers who prefer to use gesture for control with the added benefit of keeping their touch screens dirt-free.

The MAX25205 is available from Maxim’s website.

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