Bosch Sensortec BMA253 LGA-12 3-Axis Accelerometer ROHS

Name: Bosch Sensortec BMA253 LGA-12 3-Axis Accelerometer ROHS
Brand: Bosch Sensortec
SKU: SENS-1161
Price: 102.00 INR
Availability: OutOfStock

₹102.00 (Inclusive of all taxes)

Out of Stock

The Bosch Sensortec BMA253 is a low-g, triaxial digital accelerometer in an LGA-12 package, designed for integration into mobile devices, wearables, and IoT applications. It features a wide 1.62V to 3.6V supply range for compatibility with 3.3V and 1.8V logic systems and communicates via I2C/SPI digital interface.

Features

Triaxial ±2g/±4g/±8g/±16g selectable range MEMS accelerometer
Ultra-low power operation with advanced power management modes
Digital output via I2C (up to 400 kHz) and SPI (up to 10 MHz) interfaces
Integrated temperature sensor for on-chip thermal compensation
Robust LGA-12 (2×2 mm) package, RoHS & halogen-free compliant

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Description

The BMA253 accelerometer utilizes a MEMS capacitive sensing element to measure acceleration across three perpendicular axes with high resolution and low noise. Its differential capacitance design provides excellent vibration resistance and stability, making it suitable for harsh environmental conditions.

The sensor includes programmable features such as selectable measurement ranges, bandwidths, and interrupt functions for motion detection (like tap, double-tap, and orientation change). The integrated temperature sensor enables accurate thermal compensation, ensuring consistent performance across its full -40°C to +85°C operating range.

Key Features

High-performance MEMS capacitive sensing element for precise acceleration measurement.
Advanced power management with multiple operational modes (normal, low-power, suspend) for optimized energy efficiency.
Programmable interrupt engines for motion-based wake-up and activity/inactivity detection.
Excellent temperature stability supported by an on-chip temperature sensor.
Compact and robust LGA-12 package (2x2x0.95 mm) designed for space-constrained PCB layouts.
Fully compliant with RoHS and halogen-free environmental standards.

Applications

Motion-based user interface control in smartphones, tablets, and wearables.
Activity tracking and step counting in fitness monitors and smartwatches.
Screen orientation detection and automatic image rotation in portable electronics.
Shock and vibration monitoring in industrial IoT and asset tracking devices.
Gesture recognition and context-aware applications in gaming controllers and AR/VR systems.

Technical Specifications

Manufacturer Part Number	BMA253
Sensor Type	3-Axis Digital Accelerometer
Measurement Range	±2g, ±4g, ±8g, ±16g (Programmable)
Output Interface	I2C (up to 400 kHz), SPI (up to 10 MHz)
Supply Voltage Range	1.62 V to 3.6 V
Operating Current	Low power: ~130 µA (typical)
Operating Temperature	-40°C to +85°C
Package Type	LGA-12 (2 x 2 x 0.95 mm)
Integrated Features	Temperature Sensor, Programmable Interrupts
Compliance	RoHS, Halogen-Free

Frequently Asked Questions

What is the supply voltage range for the BMA253 accelerometer?

The BMA253 operates from 1.62V to 3.6V DC, making it directly compatible with common 3.3V and 1.8V logic systems found in mobile and battery-powered IoT devices.

What communication interfaces does the BMA253 support?

It supports both I2C (up to 400 kHz Fast Mode) and SPI (up to 10 MHz) digital interfaces. The interface selection is configured via the CSB pin, allowing flexible integration with microcontrollers like Arduino, ESP32, STM32, and Raspberry Pi.

Can the BMA253 detect specific motion events like tap or orientation change?

Yes, the BMA253 features programmable interrupt engines that can be configured to detect specific motion events such as single/double-tap, activity, inactivity, and orientation change. This allows the host microcontroller to sleep until woken by a sensor interrupt, saving significant system power.

Does the sensor require external calibration?

The BMA253 is factory-calibrated for sensitivity and zero-g offset. The integrated temperature sensor provides data for on-chip thermal compensation, ensuring stable performance. For high-precision applications, user-level calibration routines can be implemented to correct for PCB mounting alignment errors.