xMEMS Introduces 1mm-Thin Active Micro-Cooling “Fan on a Chip”

Market leader in solid-state, micro speaker technology brings revolutionary air cooling to ultraportable devices for uncompromised performance in AI and other demanding mobile applications.

xMEMS Labs, developers of the foremost platform for piezoMEMS innovation and creators of the world’s leading all-silicon micro speakers, today announced its latest industry-changing innovation: the xMEMS XMC-2400 µCooling™ chip, the first-ever all-silicon, active micro-cooling fan for ultramobile devices and next-generation artificial intelligence (AI) solutions.

For the first time, with active, fan-based micro-cooling (µCooling) at the chip level, manufacturers can integrate active cooling into smartphones, tablets, and other advanced mobile devices with the silent, vibration-free, solid-state xMEMS XMC-2400 µCooling chip, which measures just 1-millimeter thin.

“Our revolutionary µCooling ‘fan-on-a-chip’ design comes at a critical time in mobile computing,” said Joseph Jiang, xMEMS CEO and Co-Founder. “Thermal management in ultramobile devices, which are beginning to run even more processor-intensive AI applications, is a massive challenge for manufacturers and consumers. Until XMC-2400, there’s been no active-cooling solution because the devices are so small and thin.”

The XMC-2400 measures just 9.26 x 7.6 x 1.08 millimeters and weighs less than 150 milligrams, making it 96 percent smaller and lighter than non-silicon-based, active-cooling alternatives. A single XMC-2400 chip can move up to 39 cubic centimeters of air per second with 1,000Pa of back pressure. The all-silicon solution offers semiconductor reliability, part-to-part uniformity, high robustness, and is IP58 rated.

xMEMS µCooling is based on the same fabrication process as the award-winning, sound-from-ultrasound, xMEMS Cypress full-range micro speaker for ANC in-ear wireless earbuds, which will be in production in Q2, 2025 with several customers already committed to the device. xMEMS plans to sample XMC-2400 to customers in Q1, 2025.

“We brought MEMS micro speakers to the consumer electronics market and have shipped more than half a million speakers in the first 6 months of 2024,” Jiang continued. “With µCooling, we are changing people’s perception of thermal management. The XMC-2400 is designed to actively cool even the smallest handheld form factors, enabling the thinnest, most high-performance, AI-ready mobile devices. It’s hard to imagine tomorrow’s smartphones and other thin, performance-oriented devices without xMEMS µCooling technology.”

xMEMS will begin demonstrating XMC-2400 to lead customers and partners in September at its xMEMS Live events in Shenzhen and Taipei. For more information about xMEMS and its μCooling solutions, visit xmems.com.

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