Digital pyroelectric infrared sensor market in Japan: projected to reach 143 million USD by 2026, with a growth rate of 8.2%.
What is a digital pyroelectric infrared sensor? The market for digital pyroelectric infrared sensors is expanding against the backdrop of advancements in human detection in smart homes, security, and IoT devices. The global market size is expected to grow from 132 million USD in 2025 to 230 million USD by 2032, with a CAGR of 8.2% projected from 2026 to 2032. The global production volume in 2025 is estimated to be about 299 million units, with an average unit price of approximately 0.442 USD, and the industry's gross profit margin is reported to be between 35% and 50%. Digital pyroelectric infrared sensors detect infrared radiation in the 7-10 μm range emitted by the human body and other sources using pyroelectric materials, and they differentiate themselves from traditional PIR sensors by converting this data into high-precision human detection information through built-in ADC and digital signal processing.
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Low Power Consumption of Digital Pyroelectric Infrared Sensors In the demand for digital pyroelectric infrared sensors, extending the lifespan of battery-operated IoT devices has become an important theme. In January 2026, Excelitas announced the ultra-low power consumption DigiPyro product that operates at a minimum of 1.4V, with a current consumption of 2µA at 1.8V. This reflects a design trend in wireless sensors and battery-operated motion detection devices that minimizes power consumption during standby while activating detection processing only when necessary.
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Miniaturization and Signal Processing of Digital Pyroelectric Infrared Sensors In digital pyroelectric infrared sensors, efforts are being made to integrate pyroelectric materials, thin film and ceramic technologies, microfabrication, and signal processing circuits. Particularly with the shift to digital output, it becomes easier to reduce external circuits and adjust thresholds and detection times on the software side. Murata's IRS-D series comes in a 6×6×2.6mm SMD package, featuring built-in I²C output, ADC, digital filters, and interrupt functions, facilitating integration into IoT devices.
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