InvenSense ICP-10125: Industry’s Lowest Power Waterproof MEMS Barometric Pressure Sensor for Wearables

InvenSense ICP-10125 MEMS Barometric Pressure Sensor
Onur Binay, Unsplash

TDK Corporation’s InvenSense ICP-10125 is part of the InvenSense SmartPressure family of the MEMS barometric pressure sensor platform. Combining barometric pressure and temperature sensing, the InvenSense ICP-10125 provides IPX8 waterproofing to more than 100 meters (10 ATM). The MEMS barometric pressure sensor offers four different measurement modes for optimizing power, noise, accuracy, and measurement frequency.

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The ICP-10125 pressure sensor is based on MEMS capacitive technology which provides ultra-low noise at the lowest power, enabling industry-leading relative accuracy, sensor throughput, and temperature stability. The pressure sensor can measure pressure differences with an accuracy of ±1 Pa, an accuracy enabling altitude measurement differentials as small as 8.5 cm, less than the height of a single stair step.

The ICP-10125 achieves the industry’s lowest pressure noise of 0.4 Pa RMS, attains the industry’s lowest power consumption of 1.3 µA, and ensures excellent temperature stability with a temperature coefficient of ±0.5 Pa/°C.

The ICP-10125 is well-suited for smartwatches, fitness trackers, and outdoor IoT applications that assist in fitness activity monitoring, location tracking for E911 calls, and indoor/outdoor navigation (dead-reckoning, floor/elevator/step detection), reports TDK.

A pressure sensing device
The ICP-10125 pressure sensor is based on MEMS capacitive technology which provides ultra-low noise at the lowest power. Support for IPX8 waterproofing protects the device up to 10 ATM. (Photo: Ivensense TDK)

The InvenSense SmartPressure family uses an innovative capacitive MEMS architecture to deliver lower power consumption and lower noise than competing pressure sensors technologies. With its ultra-low noise and low power consumption, ICP-10125 is ideally suited for wearable fitness monitoring and battery-powered IoT. It can measure height change as small as 8.5 cm, less than the height of a single stair step.

“ICP-10125 delivers high accuracy, low power, temperature stability, and waterproofing in a small package footprint targeting the wearable market,” said Uday Mudoi, Director of Product Marketing at InvenSense, a TDK group company. “It enables determination of accurate location of E911 calls, tracks changes in elevation for activity monitoring, and extends battery life of always-on motion-sensing applications.”

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InvenSense ICP-10125 is currently available for worldwide distribution. A comprehensive development kit (DK-10125) and evaluation platform are also available along with necessary software to enable quick-to-market development of customer systems. In addition to the ICP-10125, the ICP-10101 and ICP-10111 pressure sensor products are already available in worldwide distribution.

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Sam Draper () is Online Editor at WT | Wearable Technologies specialized in the field of sports and fitness but also passionated about any new lifestyle gadget on the market. Sam can be contacted at press(at)wearable-technologies.com.