'Smallest' air flow sensor is 3.5 x 3.5mm

2022-06-25 01:46:44 By : Ms. Aries Tao

By Steve Bush 17th May 2022

Cambridge-based Flusso has announced what it claims is the world’s smallest air velocity sensor, at 3.5 x 3.5mm.

“FLS122 has been specifically developed to enable board-mounted air velocity measurements for thermal management and filter monitoring in some of the most space-constrained and challenging environments,” said Flusso.

Packaging is a 6pad DFN, with a specially-designed tunnel-lid optimised, said the company, for accurate measurement with little or no pressure drop in the flow path.

Bi-directional flow sensing is supported at up to 20m/s for real-time measurement.

FLS122 sensor membrane with three of its five heater and sensing wires and gold bond wires connected to the package lead frame

Inside is a CMOS MEMS die with a heated membrane that is exposed to flow.

Support materials will include an evaluation kit, hardware design guides, sensor firmware and a software development kit.

Applications are foreseen in data centres, gaming PCs, air-conditioning, air purifiers and vacuum cleaners.

Flusso is a spin-out from was spun-out of the University of Cambridge electrical engineering department. The sensor was launched at Sensor + Test in Germany last week. The data sheet is not yet available.

Tagged with: sensor University of Cambridge

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