Fermion: BMP581 High-Precision Barometric Pressure Sensor (Bosch Flagship | 0.3hPa | 3.3V)

SKU: DF-SEN0667
Sale price A$13.84   Inc. GST
131 units ships in 7 to 10 days

The Fermion BMP581 is powered by Bosch Sensortec's latest generation high-performance barometric pressure sensor chip. Compared to its predecessors, the BMP581 represents a quantum leap in accuracy, temperature stability, and power efficiency. With an absolute accuracy of ±0.3hPa and minimal offset, this sensor precisely detects minute altitude changes, capable of distinguishing floor levels or monitoring liquid level variations.

Featuring a compact footprint and comprehensive support for I2C/I3C/SPI interfaces, this module is the ideal choice for drone altitude hold, indoor navigation assistance (floor detection), and outdoor fitness trackers. For projects demanding superior data quality within a strict budget, the Fermion BMP581 offers an uncompromising solution.

Accuracy ±0.3hPa of Fermion: BMP581 High-Precision Barometric Pressure Sensor

Figure: Accuracy ±0.3hPa of Fermion: BMP581 High-Precision Barometric Pressure Sensor


Laboratory-Grade Precision and Stability

At the core of this atmospheric monitoring unit lies advanced linearity compensation and digital filtering capabilities. The Bosch-powered module utilizes a configurable IIR (Infinite Impulse Response) filter and a built-in hardware FIFO buffer. These features work in tandem to suppress data jitter caused by sudden environmental disturbances, ensuring the output remains smooth and reliable even in dynamic conditions. Whether measuring vertical velocity in aerial vehicles or detecting subtle pressure shifts in HVAC systems, the device delivers consistent data integrity without burdening the host processor.

The Stable Flight of Fermion: BMP581 High-Precision Barometric Pressure Sensor

Figure: The Stable Flight of Fermion: BMP581 High-Precision Barometric Pressure Sensor


Ultra-Low Power Architecture for IoT

Power efficiency remains a critical constraint for remote sensing nodes and wearable electronics. The Fermion BMP581 addresses this by achieving a sleep current as low as 2μA. This minimal power footprint allows the barometric pressure tracker to operate for extended periods on coin-cell batteries or energy-harvesting sources. The integration of 6 bytes of non-volatile memory further enhances efficiency by storing user-defined configurations, eliminating the need for repeated initialization sequences and reducing overall system wake time.


Versatile Connectivity and Integration

Designed to accommodate diverse hardware ecosystems, the high-performance altimeter module supports three distinct communication protocols: I2C, SPI, and the emerging I3C standard. This flexibility ensures seamless compatibility with a wide range of microcontrollers, from 8-bit systems to advanced 32-bit IoT gateways. To accelerate the development cycle, the hardware design retains a compact footprint with a standard 2.54mm pin pitch, facilitating easy breadboarding and integration into finished PCBs.

Applications:

  • Drone stability hovering and vertical velocity control
  • GPS navigation enhancement (dead-reckoning, slope detection)
  • Indoor navigation and floor localization
  • Fitness tracking (calorie expenditure, elevation gain)
  • Precision weather stations and hydrological monitoring
  • Specification:

    Basic Parameters

  • Operating Voltage: DC 3.3V
  • Operating Current: 200μA
  • Sleep Current: 2μA
  • Communication Interface: I2C / I3C /SPI
  • Interface Form: 2.54mm Pin Header Socket
  • I2C Address: 0x47 (Default) / 0x46
  • BMP581 Parameters

  • Pressure Measurement Range: 30 ~ 125 kPa
  • Temperature Measurement Range: 0 ~ 65 °C
  • Absolute Pressure Accuracy: ±0.3 hPa (Typ.)
  • Relative Pressure Accuracy: ±0.06 hPa / 10 kPa (Typ.)
  • Relative Altitude Accuracy: ±0.5 m / 10 kPa
  • Temperature Drift Coefficient: ±0.5 Pa / K
  • Pressure Data Resolution: 1 / 64
  • Ultra-Low Noise: < 0.1 Pa (RMS, without low-pass filter enabled)
  • Physical Dimensions

  • PCB Dimensions: 19×16×2.49 mm
  • Mounting Hole Spacing: 14 mm
  • Mounting Hole Diameter: 2.0 mm
  • Note: This module operates at 3.3V logic. A logic level converter is required when using with 5V microcontrollers (e.g., Arduino Uno).

    Documents:

  • Product wiki
  • Connection Diagram & Library
  • Schematic Diagram
  • Dimensions & Component Layout Diagram
  • 2D_CAD
  • 3D_STP
  • BMP581 Chip Datasheet
  • Product Includes:

  • Fermion: BMP581 High-Precision Barometric Pressure & Temperature Sensor ×1
  • 10pin-2.54 Black Single Row Pin Header ×1
  • Shipping rates Australia wide and New Zealand

    Please add the items in cart and proceed to checkout to calculate shipping cost. We have range of shipping options once goods are ready to dispatch. 
    1. Regular shipping: Goods will be shipped using Australia post regular shipping service. 
    2. Express shipping: Goods will be shipped using Australia post EXPRESS shipping service. 
    3. Express split shipping: Local stock from Melbourne will be shipped ASAP (1 business day) using EXPRESS shipment while remaining items from overseas stock when arrived in Melbourne shipped using second EXPRESS shipment. 
    4. Pick up from Thomastown, Melbourne is available on appointment between 9 am to 3 pm during business days. 

      

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    Dispatch time

    Unless expressly agreed otherwise with you, we will not commence delivery of an order until we have received cleared payment of the purchase price in full.

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    *Go to Australia post delivery time calculation to get various Australia post service in your area please use our shipping postcode Thomastown, 3074 as the "from" address - https://auspost.com.au/parcels-mail/delivery-times.html?ilink=tools-open-deliv-times.

    Shipping Destinations

    We ship all products throughout mainland Australia, Tasmania and New Zealand - Including Darwin, Melbourne, Sydney, Tasmania, Adelaide, Brisbane, Perth, all metro and regional areas but do not deliver to areas in Australia where the Australia Post delivery network is not available. 

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