Bosch BMA150 3-Axis Digital Accelerometer Module - I²C/SPI Interface, ±2/4/8g Range

Name: Bosch BMA150 3-Axis Digital Accelerometer Module - I²C/SPI Interface, ±2/4/8g Range
Brand: Bosch
SKU: SENS-1081
Price: 105.00 INR
Availability: OutOfStock

₹105.00 (Inclusive of all taxes)

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The Bosch BMA150 is a 3-axis digital MEMS accelerometer module offering selectable ranges of ±2g, ±4g, and ±8g. Featuring both I²C and SPI digital interfaces, it is designed for seamless integration with microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32 for motion detection, tilt sensing, and orientation control in portable and embedded systems.

Features

3-axis digital MEMS accelerometer with selectable ±2g, ±4g, and ±8g measurement ranges.
Dual digital interface supports both I²C and SPI communication for flexible system integration.
Ultra-low power consumption ideal for battery-operated portable devices and IoT nodes.
Compact surface-mount (SMD) package enables high-density PCB design.
Provides stable, low-noise digital output for accurate motion and tilt detection.

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Description

The Bosch BMA150 is a high-performance, 3-axis digital accelerometer based on MEMS (Micro-Electro-Mechanical Systems) technology. It converts acceleration forces into digital signals, enabling precise measurement of static tilt and dynamic motion across three orthogonal axes. The sensor’s internal signal conditioning ensures stable output with minimal noise.

Operating from a 2.4V to 3.6V supply, the BMA150 is engineered for ultra-low power consumption, making it a critical component for power-sensitive applications. Its dual I²C and SPI interface allows developers to choose the optimal communication protocol for their specific microcontroller or processor, simplifying integration into robotics, wearable tech, gaming peripherals, and industrial monitoring systems.

Key Features

Tri-Axis Digital MEMS Sensing: Provides high-resolution acceleration data on X, Y, and Z axes.
Configurable Full-Scale Range: User-selectable sensitivity settings of ±2g, ±4g, and ±8g for application-specific dynamic range.
Dual Digital Interface: Offers both I²C (Inter-Integrated Circuit) and SPI (Serial Peripheral Interface) for maximum compatibility with host controllers.
Ultra-Low Power Architecture: Engineered for minimal current draw, extending battery life in portable electronics.
High-Stability Output: Integrated signal processing delivers low-drift, low-noise digital acceleration values.
Compact SMD Footprint: Small-form-factor package is designed for space-constrained PCB layouts.
Wide Operating Voltage: Supports 2.4V to 3.6V DC, compatible with common 3.3V logic systems.

Applications

Wearable Device Orientation: Used in smartwatches and fitness trackers for step counting, gesture recognition, and screen rotation.
Robotics Navigation & Stabilization: Provides tilt and vibration feedback for balancing robots and drone flight controllers.
Consumer Electronics: Enables motion control in gaming peripherals and free-fall detection for hard disk drive protection.
Industrial Condition Monitoring: Monitors vibration levels in machinery for predictive maintenance and asset tracking.
IoT & Smart Home Sensors: Detects motion for security systems, smart lighting triggers, and appliance status monitoring.

Technical Specifications

Manufacturer Part Number	BMA150
Brand	Bosch
Sensor Type	3-Axis Digital MEMS Accelerometer
Measurement Range	±2g / ±4g / ±8g (Selectable)
Output Type	Digital (I²C/SPI)
Supply Voltage	2.4V to 3.6V DC
Communication Interface	I²C, SPI
Power Consumption	Ultra-Low Power Mode
Package Type	Surface Mount Device (SMD)
Technology	MEMS
Mounting Type	SMD (Surface Mount)
Primary Applications	IoT, Wearables, Robotics, Mobile Devices

Frequently Asked Questions

What is the operating voltage range for the Bosch BMA150 accelerometer?

The Bosch BMA150 operates from a supply voltage of 2.4V to 3.6V DC. This range makes it directly compatible with standard 3.3V logic systems commonly found in microcontrollers like ESP32, STM32, and many Raspberry Pi models, without requiring a level shifter.

How do I communicate with the BMA150 sensor, and what interfaces are supported?

The BMA150 supports two digital communication protocols: I²C (Inter-Integrated Circuit) and SPI (Serial Peripheral Interface). You can select your preferred interface via hardware configuration. The I²C interface simplifies wiring with two lines, while SPI offers higher-speed data transfer for more demanding applications.

Can I change the sensitivity or measurement range of the BMA150?

Yes, the BMA150 features user-configurable full-scale ranges. You can select between ±2g, ±4g, and ±8g via its internal registers over the I²C or SPI interface. Choosing a smaller range (e.g., ±2g) provides higher resolution for subtle movements, while a larger range (e.g., ±8g) is suitable for detecting high-acceleration events.

Is the BMA150 suitable for battery-powered projects?

Absolutely. The BMA150 is specifically designed with an ultra-low power architecture, making it an excellent choice for battery-operated devices like wearables, remote sensors, and portable IoT nodes. Its low current draw helps significantly extend overall system battery life.