BMP581

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BMP581

+BOM

SENSOR 18.13PSIA 10LGA

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  • 제조업체 부품 #BMP581

  • 데이터시트 BMP581 DataSheet

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사양

속성 가치
Part Status Active
Base Product Number BMP581
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
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package 10-WFLGA
Supplier Device Package 10-LGA (2x2)
Packaging Cut Tape (CT), Tape & Reel (TR)

개요

Description

The BMP581 is a cutting-edge barometric pressure sensor developed by Bosch Sensortec. It stands out due to its high precision and low power consumption, making it ideal for a variety of applications including wearables, smartphones, drones, and IoT devices. This sensor offers exceptional accuracy in pressure measurement, often within ±0.5 hPa, which is crucial for altitude tracking and weather forecasting.
The BMP581 is built using Bosch's advanced micro-electromechanical systems (MEMS) technology, ensuring robust performance and reliability. It features an ultra-low power mode, which is essential for battery-powered devices. The sensor's compact design allows for easy integration into space-constrained devices, and its digital interface simplifies communication with microcontrollers.
Additionally, the BMP581 enhances user experience by providing accurate elevation data that can be used for indoor navigation or fitness tracking. Its ability to detect subtle changes in altitude and pressure makes it invaluable for applications requiring precise environmental monitoring. Overall, the BMP581 is a versatile and efficient solution for developers seeking to implement sophisticated sensing capabilities in their products.

Equivalent

The BMP581 chip is a high-performance pressure sensor from Bosch Sensortec. Equivalent products include the LPS22HH from STMicroelectronics, the DPS310 from Infineon Technologies, and the MS5611 from TE Connectivity. These sensors offer similar functionalities, such as high accuracy and low power consumption, suitable for applications in altimeters, barometers, and weather monitoring systems. Always check specific requirements and datasheets to ensure compatibility and performance alignment with your project's needs.

Features

The BMP581 is a high-performance sensor from Bosch Sensortec, designed for measuring barometric pressure. Key features include:
1. High Accuracy: It offers exceptional accuracy for pressure measurement, making it suitable for altitude tracking and weather forecasting.
2. Low Power Consumption: The sensor is optimized for battery-powered applications, ensuring efficient energy usage.
3. Compact Size: Its small form factor makes it ideal for space-constrained applications like wearables and smartphones.
4. Wide Operating Range: The BMP581 functions effectively across a broad range of pressures and temperatures, providing reliable performance in various environments.
5. Digital Interface: It includes a digital interface (I2C/SPI), facilitating easy integration with microcontrollers and other digital systems.
6. Temperature Compensation: The sensor has built-in temperature compensation, enhancing its accuracy and reliability in different conditions.
7. User-Configurable: Users can configure the sensor settings to tailor its performance to specific applications.
Overall, the BMP581 is designed for high precision and versatile applications, offering robust performance in a compact and energy-efficient package.

Pinout

The BMP581 is a high-precision barometric pressure sensor developed by Bosch Sensortec. It typically comes in a compact LGA package with an 8-pin configuration. Here's a brief overview of its pin functions:
1. VDD: This is the power supply pin. It provides the necessary power for the sensor to operate.
2. GND: The ground pin. It serves as a reference point for the sensor's internal circuits.
3. SDA: This is the Serial Data Line for I²C interface. It is used for data transfer between the sensor and the microcontroller.
4. SCL: The Serial Clock Line for I²C interface. It provides the clock signal for data transfer.
5. SDO: This pin can be used as a secondary data line (SPI mode) or to set the I²C address.
6. CSB: Chip Select Bar. Used to select the SPI interface in SPI mode.
7. VDDIO: This pin is for the input/output interface voltage supply, allowing the sensor to interface with external systems operating at different voltages.
8. INT: Interrupt pin. It can be configured to trigger an interrupt to the host processor based on certain conditions.
These pins collectively enable the BMP581 to provide accurate pressure and temperature data for various applications.

Manufacturer

The BMP581 is manufactured by Bosch Sensortec, a subsidiary of Robert Bosch GmbH. Bosch Sensortec specializes in developing and marketing a wide range of microelectromechanical systems (MEMS) sensors and solutions primarily for consumer electronics. These products are used in a variety of applications, including smartphones, wearables, smart homes, and other IoT devices.
As a company, Bosch Sensortec focuses on providing innovative sensing solutions that enhance user experience by offering high precision, low power consumption, and compact design. Their portfolio includes a variety of sensors such as accelerometers, gyroscopes, geomagnetic sensors, environmental sensors, and more. Bosch Sensortec's role as a subsidiary of Robert Bosch GmbH aligns with the parent company's long-standing reputation for engineering excellence and innovation in various sectors, including automotive, industrial, consumer goods, and building technology.

Application

The BMP581 is a highly accurate barometric pressure sensor used in various applications. Key areas include:
1. Wearable Devices: Enhances fitness tracking by monitoring altitude changes during activities like hiking or running.
2. Smartphones and Tablets: Improves GPS accuracy and enables indoor navigation.
3. Drones and UAVs: Assists in stable altitude control and accurate landing.
4. Weather Stations: Provides precise atmospheric pressure measurements for weather forecasting.
5. IoT Devices: Facilitates environmental monitoring and smart home applications.
6. Health Monitoring: Tracks subtle pressure changes for respiratory rate detection.
These applications benefit from the BMP581's high precision, low energy consumption, and compact size.

Package

The BMP581 is a high-precision digital pressure sensor from Bosch Sensortec, designed for use in mobile and wearable devices. It typically comes in a compact, LGA (Land Grid Array) package, which is surface-mountable and suitable for space-constrained applications.

Frequently Asked Questions


Q: What is the pressure range and absolute type of the BMP581?
A: It measures absolute pressure from 30kPa to 125kPa (4.35 to 18.13 PSI), suitable for altimetry and weather monitoring.


Q: Which digital interfaces does the BMP581 support for communication?
A: It supports both I2C and SPI interfaces, providing flexibility for integration with various microcontrollers.


Q: What is the typical accuracy of this pressure sensor?
A: The accuracy is ±0.01 PSI (±0.05 kPa), ideal for precise barometric and altitude applications.


Q: Can the BMP581 operate in harsh or high-temperature environments?
A: Yes, its operating temperature range is -40°C to +85°C, ensuring reliable performance in extreme conditions.


Q: What is the supply voltage requirement for the BMP581?
A: It operates from 1.65V to 3.6V, making it compatible with both low-voltage and standard logic systems.


Q: Does the BMP581 require an external port for pressure measurement?
A: No, it features a "No Port" design, meaning it measures ambient pressure directly via the package opening.


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