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Bosch Sensortec

Pressure sensor BMP390

High-performance. Accurate. Stable.

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BMP390

Pressure sensor

The BMP390 is a very small, low-power and low-noise 24-bit absolute barometric pressure sensor. The digital, high-performance sensor is ideally suited for a wide range of altitude tracking applications. This new BMP390 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 smartphones, GPS modules, wearables, hearables and drones.

Technical data

Parameter Technical data
Parameter
Operation range (full accuracy)
Technical data
Pressure: 300…1250 hPa
Parameter
Supply voltage VDDIO
Supply voltage VDD
Technical data
1.2 V … 3.6 V
1.65 V … 3.6 V
Parameter
Interface
Technical data
I²C and SPI
Parameter
Average typical current consumption (1 Hz data rate)
Technical data
3.2 μA @ 1 Hz
Parameter
Absolute accuracy pressure (typ.)
P=300 ...1100 hPa (T=0 ... 65 °C)
Technical data
±0.50 hPa
Parameter
Relative accuracy pressure (typ.)
P=700…1100 hPa (T=25…40°C)
Technical data
±0.03 hPa
(equivalent to ±25 cm)
Parameter
RMS noise in pressure
lowest bandwidth, highest resolution
Technical data
0.02 Pa
Parameter
Temperature coefficient offset (25°…40°C at 900 hPa)
Technical data
±0.6 Pa/K
Parameter
Long-term stability (12 months)
Technical data
±0.16 hPa
Parameter
Solder drift
Technical data
< ±0.8 hPa
Parameter
Maximum sampling rate
Technical data
200 Hz
Parameter
Package dimensions
Technical data
10-pin LGA with metal lid 2.0 x 2.0 x 0.75 mm³

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Documents

Download white paper


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Flyer
BST-BMP390-FL000
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Datasheet
BST-BMP390-DS002
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Shipment packaging details
BST-BMP3xy-SP000
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Handling, soldering & mounting instructions
BST-BMP380-HS000
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Shuttle board flyer
BST-BMP390-SF000

Software

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Driver

Applications and solutions

Man holding a smarpthone

Smartphones & tablets

Smartphone as life saver: Pressure sensors inside smartphones help to localize people indoors, where GPS signals are not available. This enables first responders to determine the floor level of smartphone users who trigger an emergency call – potentially saving thousands of lives.

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Woman doing sports using hearables and smartwatch

Wearables & hearables

Learn what you burn: Pressure sensors inside smartwatches or headphones increase the precision of calorie tracking by up to 15 percent! This is enabled by accurate altitude detection, that precisely determines whether a user is walking up or down a gradient or stairs.

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Man squatting down and flying a drone.

Drones

Drones are becoming more and more ubiquitous. Our sensor and software solutions stabilize the drone’s altitude and enable orientation and flight control as well as gimbals for pin-sharp photos!

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Other pressure sensors

BMP581

BMP581

The BMP581 is the new benchmark in the field of barometric pressure sensors and is ideally suited for a wide range of altitude tracking applications like GPS modules, wearables, hearables, smart home and industrial products. This sensor is available via our distribution partners.
More information
BMP585

BMP585

With BMP585, customers don’t need to sacrifice performance to achieve robustness – there’s no compromise necessary. With its extreme accuracy, the sensor measures a change in height of just a few centimeters. At the same time, users do not have to worry about environmental conditions - thanks to its ruggedness.
More information
BMP384

BMP384

BMP384 has a gel-filled cavity that allows higher robustness against water, liquids and other chemicals if the applicable integration concept is used. The BMP384 with its small footprint offers outstanding design flexibility, providing a single package solution that is easy to integrate into other existing and upcoming devices for smart homes, industrial products and wearables.
More information
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The BSEC software is only available for download after accepting the software license agreement:

BSEC license agreement
  

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