STMicroelectronics – LPS25H MEMS Pressure Sensor

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Enable New Experiences in Indoor Navigation or Cut a New Path for Your Wearable Designs

From the peak of Mount Everest down to the Dead Sea Shore, portable devices can now pinpoint their height relative to sea level to within a meter, using the new LPS25 MEMS (micro-electromechanical systems) pressure sensor from STMicroelectronics.

The LPS25H is a high resolution digital pressure and temperature sensor built in ST’s state-of-the-art MEMS process. This revolutionary piezo-resistive sensor offers low power, high accuracy, and tiny packaging – all of the key features to support a wide range of applications.

Applications:

  • Altimeter and barometer
  • Height detection for portable devices
  • GPS applications
  • Weather station equipment
  • Sport watches
  • Fitness and wearables
  • HVAC

Features:

  • 260-1260 hPa absolute pressure range
  • High resolution mode: 1 Pa RMS
  • Embedded 32 level FIFO
  • Temperature sensor
  • Low power consumption: only 4.5μA with FIFO enabled
  • Configurable Interrupt pin
  • High overpressure: 20x full scale
  • Embedded 24-bit ADC
  • Selectable ODR from 1Hz to 25Hz
  • SPI and I²C interfaces
  • Tiny 2.5 x 2.5mm package
  • Supply voltage: 1.7V to 3.6V

Key Benefits:
• Low noise – able to detect altitude variations within centimeters
• Low power modes – internal FIFO extends battery life for portable applications

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Ordering Information

Part NumberTemp Range (°C)Package
LPS25HTR-30 to +105HCLGA-10L

Evaluation Kit (for fast prototyping and evaluation)

  • STEVAL-MKI109V2: E-Motion mainboard (accepts ST MEMS adapter boards)
  • STEVAL-MKI142V1: MEMS adapter board for LPS25HTR

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