BMP384

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BMP384

+BOM

SENSOR 18.13PSIA 10LGA

  • ManufacturerBosch Sensortec

  • Mfr. Part #BMP384

  • In Stock9669

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Specifications

Attribute Value
Part Status Active
Base Product Number BMP384
Pressure Type Absolute
Operating Pressure 4.35PSI ~ 18.13PSI (30kPa ~ 125kPa)
Output Type I2C, SPI
Accuracy ±0.01PSI (±0.05kPa)
Voltage - Supply 1.65V ~ 3.6V
Port Style No Port
Termination Style SMD (SMT) Tab
Maximum Pressure 290.08PSI (2000kPa)
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 10-VFLGA
Supplier Device Package 10-LGA (2x2)
Packaging Cut Tape (CT), Tape & Reel (TR)

Overview

Description

BMP384 is a MEMS barometric pressure sensor designed to measure atmospheric pressure (and temperature) for altitude estimation and context-aware sensing. It integrates a calibrated pressure sensor with a digital interface and outputs compensated pressure and temperature data over I2C or SPI. It typically offers low active current, low sleep current, and a wide operating temperature range, suitable for mobile devices, drones, and wearables. Typical workflow: power up, configure oversampling/filters, read compensated pressure and temperature, and compute altitude (or use precomputed altitude). Software libraries exist for many platforms (Arduino, Raspberry Pi, etc.), along with Bosch’s sensor drivers. Key strengths: small footprint, low power, good long-term stability. If you have a specific package, supply voltage, or data-rate requirement, share the datasheet revision and I’ll tailor the summary and example code.

Equivalent

Equivalent / substitute barometric pressure sensors to BMP384 include:
- Bosch BMP390 (direct successor; same I2C/SPI)
- Bosch BMP388 / BMP385 (BMP38x family)
- STMicroelectronics LPS22HB / LPS22HH
- NXP MPL3115A2
- TE Connectivity MS5607 / MS5611 (24-bit digital pressure)
Note: verify voltage, footprint, I2C/SPI mode, and data formats before swapping.

Features

BMP384 Features:
- Digital MEMS barometric pressure sensor with integrated temperature sensor
- I2C and SPI digital interfaces
- Factory-calibrated, fully compensated pressure (Pa) and temperature (°C) outputs
- Programmable oversampling and filtering for noise reduction
- High-resolution digital output with wide dynamic range
- Low power modes: active measurement and sleep; fast/auto-measure options
- On-chip temperature compensation for accurate pressure readings
- Small package with robust operation over a wide temperature range
- Optional interrupt/data-ready and trigger modes
- Suitable for barometer/altimeter applications in mobile, wearables, automotive, and industrial systems

Pinout

8 pins (LGA package). Function: Digital barometric pressure sensor from Bosch Sensortec; supports I2C or SPI interfaces (I2C uses SCL/SDA; SPI uses SCK, SDI, SDO, CS).

Manufacturer

Manufacturer: Bosch Sensortec, the MEMS sensor division of Robert Bosch GmbH (Bosch).
What kind of company: A German multinational engineering and technology company that designs and manufactures automotive components, consumer electronics sensors, industrial technology, and MEMS devices.

Application

BMP384 is a high-precision digital barometric pressure sensor (I2C/SPI). Common applications:
- Altitude/height estimation for drones, robots, wearables
- Weather stations and meteorology
- Indoor navigation and floor-level detection
- Mobile devices, smartphones, smartwatches, fitness trackers
- Automotive cabin pressure and altitude compensation
- Industrial/building automation (HVAC, environmental monitoring)
- Agriculture/greenhouses climate control and monitoring
Concise list focusing on typical use cases.

Package

BMP384 uses a small LGA (land grid array) package with no visible leads (bottom-pad package).

Frequently Asked Questions


Q: What is the operating pressure range of the BMP384?
A: The BMP384 measures absolute pressure from 4.35 PSI to 18.13 PSI (30 kPa to 125 kPa), ideal for altitude and weather applications.


Q: Does the BMP384 support both I2C and SPI interfaces?
A: Yes, it offers flexible digital output via I2C or SPI, simplifying integration with various microcontrollers and systems.


Q: What is the supply voltage requirement for this sensor?
A: It operates from 1.65V to 3.6V, making it suitable for low-power and battery-operated designs.


Q: Can the BMP384 withstand high overpressure events?
A: Yes, its maximum pressure rating is 290.08 PSI (2000 kPa), providing robust protection against pressure spikes.


Q: What is the typical accuracy of the BMP384?
A: The accuracy is ±0.01 PSI (±0.05 kPa), ensuring precise pressure measurements for demanding applications.


Q: What is the operating temperature range of this component?
A: It operates from -40°C to +85°C (TA), enabling reliable performance in harsh environmental conditions.


Q: What package options are available for the BMP384?
A: It is offered in a 10-VFLGA package with a 2x2 mm supplier device package, supporting surface mount assembly.


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