Features
• Dual full-scale absolute pressure sensor in a water-resistant package
– Mode 1: 260 ~ 1260 hPa
– Mode 2: 260 ~ 4060 hPa
• Embedded analog hub for processing analog input data
• Embedded Qvar for detecting electric charge variation
• Current consumption down to 1.7 μA
• Absolute pressure accuracy: 0.5 hPa
• Low pressure sensor noise: 0.32 Pa
• Embedded temperature compensation
• Extended temperature range from -40 to +105 °C
• 24-bit pressure data output
• ODR from 1 Hz to 200 Hz
• I²C or MIPI I3CSM interface
• Embedded FIFO
• Supply voltage: 1.7 to 3.6 V
• Easily sealed package with O-ring
• ECOPACK lead-free compliant

Applications
• Industrial applications
• Gas and water metering
• Weather station equipment
• Altimeters and barometers for outdoor devices
• Smart filters
• Ventilators and CPAP equipment
• Man-down detection

Description
The ILPS28QSW is an ultracompact, piezoresistive, absolute pressure sensor
that functions as a digital output barometer, supporting dual full-scale up to userselectable
4060 hPa.
The device comprises a sensing element and an IC interface that communicates
over the I²C or MIPI I3CSM interface from the sensing element to the application.
The ILPS28QSW provides lower power consumption, achieving lower pressure noise
than its predecessor.
The ILPS28QSW embeds an analog hub sensing functionality that is able to connect
an analog input and convert it to a digital signal for embedded processing. In
addition, an embedded Qvar (electric charge variation detection) channel can be
enabled for sensing in applications such as water-leak detection, tap, double tap,
long press, and L/R - R/L swipe.