BMP180

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BMP180

+BOM

SENSOR 15.95PSIA 19BIT 7LGA

  • ManufacturerBosch Sensortec

  • Mfr. Part #BMP180

  • In Stock3395

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Specifications

Attribute Value
Part Status Obsolete
Base Product Number BMP180
Applications Board Mount
Pressure Type Absolute
Operating Pressure 4.35PSI ~ 15.95PSI (30kPa ~ 110kPa)
Output Type I2C
Output 16 ~ 19 b
Accuracy ±2%
Voltage - Supply 1.62V ~ 3.6V
Port Style No Port
Termination Style SMD (SMT) Tab
Maximum Pressure 145.04PSI (1000kPa)
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 7-VLGA
Supplier Device Package 7-LGA
Packaging Tape & Reel (TR)

Overview

Description

The BMP180 is a high-precision, digital barometric pressure sensor developed by Bosch Sensortec. It is widely used in applications such as altitude measurement, weather monitoring, and indoor navigation systems. The sensor operates by measuring atmospheric pressure and converting it into a digital signal, which can be used to calculate altitude with an accuracy of around 0.12 hPa, corresponding to approximately 1 meter.
The BMP180 communicates via the I2C or SPI interface, making it compatible with a wide range of microcontrollers and development boards, including Arduino and Raspberry Pi. It features a low power consumption of just 3 µA, making it suitable for battery-powered devices. Additionally, the BMP180 can operate across a wide temperature range from -40°C to +85°C, ensuring reliability in various environmental conditions. The sensor comes with calibration coefficients pre-loaded in its EEPROM, facilitating straightforward integration into projects. Overall, the BMP180 is valued for its compact size, reliability, and ease of use in atmospheric data acquisition tasks.

Equivalent

The BMP180 is a barometric pressure sensor. Equivalent products include the BMP280 and BME280 from Bosch, which offer improved performance and additional features like temperature and humidity sensing. The MPL3115A2 from NXP and the MS5611 from TE Connectivity are also similar in functionality, providing accurate pressure and altitude measurements. These alternatives are commonly used in applications needing environmental sensing, such as weather stations and altimeters.

Features

The BMP180 is a high-precision, low-power barometric pressure sensor developed by Bosch Sensortec. Key features include:
- Pressure Measurement: Measures barometric pressure from 300 hPa to 1100 hPa with high accuracy.
- Temperature Sensor: Integrated temperature sensor for measuring ambient temperature.
- Low Power Consumption: Optimized for battery-powered devices, with power consumption as low as 3 µA during measurements.
- High Resolution: Provides pressure resolution down to 0.01 hPa, suitable for altitude measurements with a resolution of 0.1 meters.
- Small Form Factor: Compact design with dimensions of 3.6 x 3.8 x 0.93 mm, making it ideal for mobile devices.
- I2C/SPI Interface: Supports both I2C and SPI digital interfaces for easy integration with microcontrollers.
- Altitude Calculation: Capable of calculating altitude based on pressure data.
- Temperature Compensation: Built-in compensation to ensure accuracy in varying environmental conditions.
- Wide Operating Range: Operates over a temperature range of -40°C to +85°C.
- Applications: Commonly used in smartphones, GPS devices, and weather monitoring systems.

Pinout

The BMP180 is a barometric pressure sensor developed by Bosch Sensortec. It is used to measure atmospheric pressure and temperature. The device is typically used in weather stations, altimeters, and various mobile applications. It features a compact design and low power consumption.
The BMP180 comes in a small LGA (Leadless Grid Array) package with the following pin configuration:
1. VDD: Supply voltage pin (1.8V to 3.6V).
2. GND: Ground pin.
3. SDA: Serial data line for I²C interface; used for data transmission.
4. SCL: Serial clock line for I²C interface; used for clock signal.
5. VDDIO: Optional pin for interfacing the sensor with microcontrollers operating at different voltage levels.
The BMP180 communicates with a microcontroller via the I²C protocol, using the SDA and SCL pins. It provides pressure and temperature measurements that can be used to calculate altitude as well. This sensor is widely used due to its high precision, low power usage, and ease of integration into various applications.

Manufacturer

The BMP180 is manufactured by Bosch Sensortec, a subsidiary of the Bosch Group. Bosch Sensortec specializes in developing microelectromechanical systems (MEMS) sensors, which are used in a wide range of applications, including consumer electronics, smart homes, and Internet of Things (IoT) devices. The BMP180 is a digital barometric pressure sensor widely used for altitude measurement and weather forecasting in various consumer electronics and IoT applications. Bosch Sensortec is known for its innovation and high-quality sensor solutions, making it a key player in the global sensor market.

Application

The BMP180 is a high-precision digital barometric pressure sensor used in various applications. Its primary areas include:
1. Weather Forecasting: It helps predict weather changes by measuring atmospheric pressure.
2. Altitude Measurement: Used in GPS navigation systems and altimeters to determine altitude by calculating pressure differences.
3. Consumer Electronics: Integrated into smartphones and wearables for altitude awareness and activity tracking.
4. Drones and UAVs: Assists in maintaining stable flight by providing precise altitude data.
5. Indoor Navigation: Enhances location accuracy by providing altitude data in multi-story buildings.
6. Environmental Monitoring: Utilized in portable weather stations to track pressure changes.
These versatile applications benefit from the sensor’s compact size, low power consumption, and high accuracy.

Package

The BMP180 sensor is typically available in an LGA (Land Grid Array) package, which is a compact package type designed for surface mounting on printed circuit boards. This package allows for the sensor's small form factor and is suitable for integration into various electronic devices requiring pressure and temperature measurements.

Frequently Asked Questions


Q: What is the operating pressure range of the BMP180?
A: The BMP180 measures absolute pressure from 4.35 PSI to 15.95 PSI (30 kPa to 110 kPa), covering typical barometric ranges.


Q: What output interface does this sensor use?
A: It uses an I2C output interface with a configurable resolution of 16 to 19 bits for pressure data.


Q: Can the BMP180 withstand overpressure?
A: Yes, its maximum pressure rating is 145.04 PSI (1000 kPa), providing robust overpressure tolerance.


Q: What is the supply voltage requirement?
A: The supply voltage range is 1.62V to 3.6V, making it suitable for low-power and battery-operated designs.


Q: What is the operating temperature range?
A: It operates from -40°C to 85°C, suitable for industrial and environmental applications.


Q: Is this component obsolete for new designs?
A: Yes, the Part Status is marked as Obsolete; verify suitability for new projects or consider alternative models.


Q: What package type does the BMP180 come in?
A: It is housed in a 7-VLGA package with SMD (SMT) Tab termination for surface mount assembly.