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  4. Bosch Sensortec — BMP581 Barometric Pressure Sensor

Bosch Sensortec — BMP581 Barometric Pressure Sensor

Bosch Sensortec

 

Bosch BMP581 Barometric Pressure Sensor

High performance, small footprint, and accurate

The Bosch BMP581 Barometric Pressure Sensor is the new benchmark in the field of barometric pressure sensors and impresses with its enormous accuracy. This enables endless and new use cases such as fitness tracking where accurate altitude change is key.

The low power and low noise 24-bit BMP581 absolute barometric pressure sensor significantly improved its accuracy compared to previous generations at the smallest size. The sensor also provides true absolute pressure and temperature due to on-chip linearization and temperature compensation.

This Bosch pressure sensor offers outstanding design flexibility, providing a single package solution that customers can easily integrate into a multitude of existing and upcoming devices such as GPS modules, wearables, hearables, smart home, IoT and industrial products.

Key Features
  • Pressure operating range: 30 .. 125 kPa
  • Temperature operating range: -40 .. 85°C
  • Ultra low noise and current consumption
  • Absolute pressure accuracy: ± 0.5 hPa (max)
  • Relative pressure accuracy: 0.06 hPa per 10 kPa step
  • Pressure Temperature-induced offset: ± 0.5 pa/K
  • Wide power supply range
 
  • Programmable low-pass filtering
  • On-chip FIFO buffer for up to 32 pressure samples
  • Programmable interrupts, including pressure-changed detection
  • 6 bytes user programmable non-volatile memory
  • Compact 10-pin metal-lid LGA package (2.0 x 2.0 mm2 and max 0.8 mm package height)
  • RoHS compliant, halogen and lead free
Typical Applications
  • GPS navigation enhancement
  • Indoor & outdoor navigation
  • Sports: Calorie counting, fitness activity identification
  • Emergency caller location
  • Weather forecast
  • Vertical velocity indication
  • Altitude control of drones/flying toys
Target Devices
  • Handsets (mobile phones, tablet PCs, GPS devices)
  • Navigation systems
  • Portable healthcare devices
  • Home weather stations
  • Drones and flying toys
  • Smart watches
  • Virtual and augmented reality devices