The BMP280 is a versatile, low-power, high-precision absolute barometric pressure sensor that is trusted by engineers and developers for a wide range of applications. Its small size, excellent accuracy, and low power consumption make it ideal for portable devices, IoT systems, drones, and more. Whether you're building a weather station, designing a wearable device, or integrating sensors into a drone, the BMP280 offers the reliability and performance needed to ensure your projects succeed.

At ANDESOURCE, we offer this barometric pressure sensor as part of our extensive sensor selection, providing a very competitive price,fast delivery, expert support, strict quality assurance, and trusted sourcing.

Now, let's take a closer look at the key specifications, standout features and applications of the BMP280.

Key Specifications At A Glance

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Standout Features of the BMP280

1. Compact and Lightweight Design

The BMP280 is housed in a highly compact 8-pin LGA metal-lid package measuring just 2.0 × 2.5 × 0.95 mm. This ultra-compact size makes it a perfect choice for portable and battery-powered devices such as smartphones, tablets, GPS systems, and wearable devices like smartwatches. Its small form factor does not compromise its functionality, delivering high-performance measurements in a space-saving design.

2. Wide Operating Pressure Range

The BMP280 features a pressure range of 300 hPa to 1100 hPa, equivalent to altitudes from -500m to +9000m above or below sea level. This wide operational range makes the sensor versatile for a variety of applications, from weather monitoring to enhancing GPS navigation at high altitudes.

3. High Accuracy and Resolution

With a typical absolute accuracy of ±1 hPa (at pressures between 950 hPa and 1050 hPa and 0°C to +40°C), the BMP280 offers high measurement precision. It also boasts a relative accuracy of ±0.12 hPa (at 700–900 hPa @ 25°C), equivalent to ±1 meter of altitude difference. Additionally, the sensor provides pressure resolution of 0.16 Pa in ultra-high resolution mode, ensuring that even minute variations in pressure can be detected.

4. Low Power Consumption

One of the key advantages of the BMP280 is its energy efficiency. It consumes as little as 2.7 µA at a 1 Hz sampling rate in forced mode, making it ideal for battery-operated devices where energy conservation is paramount. Whether you’re building a handheld GPS device or a weather station, the BMP280’s low current consumption helps extend battery life significantly.

5. Advanced Interface Options

The BMP280 supports two digital interfaces: I²C and SPI. These interfaces provide flexibility and easy integration into existing systems. The I²C interface operates up to 3.4 MHz, while the SPI interface supports up to 10 MHz, ensuring quick data transmission in both communication protocols.

6. High EMC Robustness

Leveraging Bosch's proven piezo-resistive pressure sensor technology, the BMP280 offers excellent robustness against electromagnetic interference (EMI). This high level of reliability makes it suitable for mobile applications where signal integrity is crucial.

7. Temperature Compensation and Calibration

The BMP280 comes equipped with built-in compensation and calibration features, ensuring precise pressure and temperature readings. With a low offset temperature coefficient of just 1.5 Pa/K, it provides stable performance even in varying environmental conditions.

8. Built-In IIR Filter

Another standout feature of the BMP280 is its built-in Infinite Impulse Response (IIR) filter, designed to reduce short-term disturbances in the pressure measurements caused by environmental fluctuations like wind or door slamming. This filter helps smooth out noise in the data, improving the stability and accuracy of the pressure readings without overwhelming the system with excessive data processing. The filter can be configured for various bandwidths, providing flexibility depending on the application’s requirements.

9.Oversampling Settings for Flexibility

The BMP280 offers a set of oversampling settings that range from ultra-low power to ultra-high resolution, giving users the flexibility to tailor the sensor's performance to the needs of their application. The sensor allows independent adjustment of both pressure and temperature measurement oversampling, enabling fine-tuning for different use cases. The available settings can prioritize energy efficiency or measurement precision depending on the specific application, with options such as ultra-low power for minimal energy consumption and ultra-high resolution for the highest measurement accuracy.

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Applications of the BMP280

The BMP280 is highly versatile and can be used across a broad range of industries and applications. Here’s a closer look at where this sensor excels:

Weather Monitoring

The BMP280’s precision in measuring barometric pressure makes it ideal for use in personal weather stations and meteorological devices. By tracking pressure changes, the sensor helps forecast weather patterns and is commonly used to monitor altitude and atmospheric pressure.

Navigation Systems

In navigation systems, especially those used in drones, wearable devices, and handheld GPS units, the BMP280 plays a vital role in enhancing location accuracy. It supports applications such as altitude measurement, dead-reckoning, and slope detection, contributing to more precise navigation in both indoor and outdoor environments.

Drones and UAVs

Drones and other unmanned aerial vehicles (UAVs) benefit significantly from the BMP280’s ability to measure barometric pressure accurately. The sensor allows for precise altitude measurement, which is essential for navigation and maintaining stable flight. Whether it’s for autonomous flight, altitude hold, or return-to-home features, the BMP280 provides the necessary data to help drones operate safely and efficiently. Its compact size and low power consumption make it particularly well-suited for battery-operated UAVs, where space and power are limited.

Indoor and Outdoor Sports Applications

The sensor is also a valuable tool in fitness trackers, smartwatches, and outdoor sports devices. It can be used to monitor altitude and vertical velocity (e.g., for tracking climbing or hiking elevation), making it perfect for users who enjoy outdoor adventures and need precise environmental data.

Indoor Navigation and Floor Detection

The BMP280’s ability to measure small changes in pressure with high accuracy makes it a great tool for indoor navigation, such as in multi-story buildings. It can detect changes in floor levels and is often used in applications like elevator detection and floor change detection in both consumer and commercial products.

Consumer Electronics

The small size and low power consumption make the BMP280 a go-to sensor for mobile devices like smartphones and wearables. It can enhance features like location-based services, fitness tracking, and environmental sensing.

IoT and Smart Devices

As part of the growing Internet of Things (IoT) ecosystem, the BMP280 helps smart devices better understand their surroundings. It’s used in home weather stations, smart home appliances, and even smart HVAC systems, where accurate pressure and temperature data can optimize performance.

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Why ANDESOURCE is Your Go-To for Electronic Component Sourcing

Finding the right electronic components doesn’t have to be complicated. At ANDESOURCE, we make it simple by connecting you with high-quality components at very competitive pricing. We collaborate with trusted manufacturers to bring you reliable, high-quality components tailored to your specific needs. Our expert team works closely with you to ensure the perfect match for your project. With rigorous quality control and a focus on fast delivery, we keep your projects running smoothly.

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