BMP585

BMP585 is a MEMS barometric pressure sensor from Bosch Sensortec. It provides fully digital pressure and temperature readings via I2C or SPI and is designed for high‑accuracy altitude, weather sensing, and indoor navigation applications. The device integrates a MEMS pressure sensor, an ADC, and factory‑trimmed temperature compensation with on‑chip calibration data, delivering precise, drift‑free measurements across temperature. Key benefits include high accuracy and stability, low noise, and low power consumption. Features typically include programmable oversampling and filtering, multiple power modes, fast wake times, and a broad operating range (roughly 300–1250 hPa) with a supply around 1.7–3.6 V. Outputs are digital, with pressure and temperature data plus status/interrupt signals over I2C or SPI. Getting started: consult the datasheet, use Bosch or community drivers, initialize the sensor, read calibration data, configure a measurement mode, and compute altitude from pressure using the standard atmosphere model. Common use cases: drones, wearables, weather stations, and portable devices.

Here are the key features of the BMP585:
- Ultra‑low power MEMS digital pressure sensor
- Pressure sensing range: approx. 300–1250 hPa; wide dynamic range
- Temperature sensing for on‑chip temperature compensation
- Digital output via I2C or SPI interface
- Factory‑calibrated with non‑volatile memory; no external calibration required
- 24‑bit pressure data with high resolution and low noise
- Multiple power modes (including sleep) for very low active current
- Fast conversion times with optional filtering/oversampling
- Small package with suitable form factor for portable/embedded use
- Ideal for altitude/pressure sensing, weather, navigation, and mobile applications
Note: exact operating temperature range and package variant can vary by revision; consult the latest datasheet for precise specs.

BMP585 comes in a small leadless LGA (chip-scale) package. The common variant is an 8‑pin LGA; check the datasheet for exact package dimensions.

BMP585 has 8 pins in an LGA-style package. It is a pressure sensor with both I2C and SPI interfaces. Pin functions (typical):
- Power and Ground: VDD (supply), GND
- I2C mode: SCL (clock), SDA (data)
- SPI mode: SCK (clock), SDI (data in), SDO (data out), CS (chip select)
In I2C mode, only VDD, GND, SCL, and SDA are used; the SPI pins can be left unconnected. Pinout varies by package variant, so consult the datasheet for the exact mapping.

The BMP585 is manufactured by Bosch Sensortec, a German MEMS sensor company (subsidiary of Robert Bosch GmbH). Bosch Sensortec designs and makes MEMS sensors (including barometric pressure sensors) for consumer electronics, automotive, and industrial applications.

BMP585 is a high-precision, low-power MEMS barometric pressure sensor. Common applications include:
- Drones/UAVs for altitude control and terrain awareness
- Wearables and smartphones for elevation data and weather sensing
- Indoor navigation and floor-level positioning
- Weather stations and meteorology
- IoT data loggers and industrial/environmental monitoring
- Building automation and HVAC environmental sensing

Equivalent barometric pressure sensor options (I2C/SPI, ~300–1100 hPa): Bosch BMP580, BMP388, BMP280; ST LPS22HB; NXP MPL3115A2; Measurement Specialties/TE MS5803-01BA; MS5611.