ILPS28QSW

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Dual full-scale, 1260 hPa and 4060 hPa, absolute digital output barometer with Qvar detection in a water-resistant package

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Product overview

Description

The ILPS28QSW is an ultracompact, piezoresistive, absolute pressure sensor that functions as a digital output barometer, supporting dual full-scale up to user-selectable 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.

The ILPS28QSW is available in a ceramic LGA package with metal lid. It is guaranteed to operate over a temperature range extending from -40 °C to +105 °C. The package is holed to allow external pressure to reach the sensing element. Gel inside the IC protects the electrical components from water and the metal cap is, optionally, connected to ground or left floating electrically in the application PCB layout. The connection of the metal cap is determined according to the customer’s target application.

  • All 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

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STMicroelectronics - ILPS28QSW

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Quality and Reliability

Part Number Marketing Status Package RoHS Compliance Grade Material Declaration**
ILPS28QSWTR
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CERAMIC CCLGA 2.8X2.8X2.1 6L+PAD Ecopack2

ILPS28QSWTR

Package:

CERAMIC CCLGA 2.8X2.8X2.1 6L+PAD

Material Declaration**:

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Marketing Status

Active

Package

CERAMIC CCLGA 2.8X2.8X2.1 6L+PAD

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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