BMP388

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BMP388

+BOM

SENSOR 18.13PSIA 10LGA

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Specifications

Attribute Value
Part Status Obsolete
Base Product Number BMP388
Applications Board Mount
Pressure Type Absolute
Operating Pressure 4.35PSI ~ 18.13PSI (30kPa ~ 125kPa)
Output Type I2C, SPI
Accuracy ±0.007PSI (±0.05kPa)
Voltage - Supply 1.65V ~ 3.6V
Port Style No Port
Termination Style SMD (SMT) Tab
Mounting Type Surface Mount
Package / Case 10-WFLGA
Supplier Device Package 10-LGA (2x2)
Packaging Tape & Reel (TR)

Overview

Description

The BMP388 is a high-precision barometric pressure sensor developed by Bosch Sensortec. It is designed for a wide range of applications, including altitude tracking, navigation, and weather monitoring. The sensor offers excellent accuracy and performance, with an absolute accuracy of ±8 Pa and a relative accuracy of ±0.08 hPa, making it suitable for applications requiring precise altitude measurements.
The BMP388 operates with a pressure range of 300 to 1250 hPa and can measure temperatures from -40°C to +85°C. It features low power consumption, making it ideal for battery-operated devices. The sensor is equipped with digital interfaces, including I2C and SPI, allowing easy integration into various systems.
Advanced features of the BMP388 include a configurable oversampling setting, which enhances the sensor's resolution and noise performance. Its compact form factor and low power requirements make it suitable for use in portable devices such as smartphones, drones, and wearables. Overall, the BMP388 is a versatile and reliable component for pressure-based applications in consumer electronics and industrial settings.

Equivalent

The BMP388 is a digital barometric pressure sensor from Bosch. Equivalent products include the MS5611 from TE Connectivity, LPS22HB from STMicroelectronics, and DPS310 from Infineon. These sensors offer similar functionality, such as high precision pressure and temperature measurement, and are often used in applications like weather stations, altimeters, and drones. Always check the specific requirements of your application, such as power consumption, size, and interface compatibility, to choose the most suitable alternative.

Features

The BMP388 is a high-precision barometric pressure sensor from Bosch Sensortec. Key features include:
1. High Precision: It offers excellent pressure resolution and accuracy, making it suitable for altitude measurement and weather monitoring.
2. Wide Measurement Range: The sensor can measure pressure from 300 hPa to 1250 hPa, allowing for versatile applications in various environments.
3. Temperature Compensation: It comes with integrated temperature compensation for accurate readings across a broad temperature range of -40°C to +85°C.
4. Low Power Consumption: Ideal for battery-operated devices, it features low power consumption to extend device life.
5. Small Size: The compact 2.0 mm x 2.0 mm x 0.75 mm package makes it easy to integrate into space-constrained projects.
6. Digital Interface: Supports I2C and SPI interfaces for easy integration with microcontrollers and other digital devices.
7. Flexible Data Rates: Provides adjustable output data rates for tailored performance according to application needs.
These features make the BMP388 suitable for applications in smartphones, drones, wearables, and various IoT devices.

Pinout

The BMP388 is a digital pressure sensor by Bosch Sensortec used for measuring atmospheric pressure. It is typically housed in a 10-pin LGA package. The pin functions are as follows:
1. VDDIO: Supply voltage for I/O.
2. GND: Ground.
3. VDD: Main supply voltage.
4. SDA: Data line for I2C Interface.
5. SCL: Clock line for I2C Interface.
6. CSB: Chip select for SPI Interface (active low).
7. SDO: Data output for SPI Interface.
8. SDI: Data input for SPI Interface.
9. PS: Interface selection pin (I2C or SPI).
10. INT: Interrupt pin.
The BMP388 is used for applications like altitude tracking in drones, GPS accuracy enhancement, and indoor navigation because of its high precision in pressure and altitude measurements. It supports both I2C and SPI interfaces, providing flexibility in communication with microcontrollers or processors.

Manufacturer

The BMP388 is manufactured by Bosch Sensortec, a subsidiary of Robert Bosch GmbH. Bosch Sensortec specializes in the development of microelectromechanical systems (MEMS) sensors and solutions. The company focuses on providing sensor technologies for various applications, including consumer electronics, wearables, smart home devices, and the Internet of Things (IoT). Bosch Sensortec is part of the larger Bosch Group, a global engineering and technology company known for its automotive components, industrial products, consumer goods, and building technology. Bosch Sensortec's expertise lies primarily in creating innovative sensor solutions, enabling advancements in mobile devices, wearables, and other smart technologies.

Application

The BMP388 is a high-precision barometric pressure sensor used in various applications due to its accuracy and compact size. Key areas include:
1. Drones and UAVs: For altitude control and stabilization.
2. GPS Navigation: Enhancing altitude data for more precise navigation.
3. Weather Stations: Monitoring atmospheric pressure for weather forecasting.
4. Smartphones and Wearables: Enabling features like indoor navigation and activity tracking.
5. Health and Sports: Tracking elevation changes in fitness devices.
6. IoT Devices: Environmental monitoring for smart homes and cities.
7. Industrial Applications: Pressure measurements in process control systems.
These applications benefit from the BMP388's low power consumption and high accuracy.

Package

The BMP388 is packaged in a compact 10-pin LGA (Land Grid Array) package, measuring 2.0 mm x 2.0 mm x 0.75 mm. This small form factor is suitable for space-constrained applications such as smartphones, wearables, and IoT devices.

Frequently Asked Questions


Q: What is the pressure range of the BMP388?
A: The BMP338 measures absolute pressure from 4.35 PSI to 18.13 PSI (30 kPa to 125 kPa).


Q: Does this sensor support both I2C and SPI interfaces?
A: Yes, the BMP388 features dual output types: I2C and SPI, offering flexible system integration.


Q: What is the typical accuracy of the BMP388 sensor?
A: It offers a high accuracy of ±0.007 PSI, equivalent to ±0.05 kPa or roughly ±0.5 meters in altitude.


Q: What supply voltage does the BMP388 require?
A: The operating voltage range is from 1.65V to 3.6V, suitable for low-power and battery devices.


Q: What package is the BMP388 available in?
A: It comes in a compact 10-WFLGA package, with a supplier device package size of 10-LGA (2x2 mm).


Q: Is this component suitable for surface mount assembly?
A: Yes, it has SMD (SMT) Tab termination and is designed for surface mount technology (SMT).


Q: What does "port style: no port" mean for the BMP388?
A: It means the sensor has no external pressure port; pressure is applied directly to the top of the package.


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