BMA400

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BMA400

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ACCELEROMETER 2-16G 12LGA

  • Nhà sản xuấtBosch Sensortec

  • Ông. Phần #BMA400

  • Bảng dữ liệu BMA400 DataSheet

  • Có sẵn5045

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Active
Base Product Number BMA400
Type Digital
Axis X, Y, Z
Acceleration Range ±2g, 4g, 8g, 16g
Sensitivity (LSB / g) 1024 (±2g) ~ 128 (±16g)
Bandwidth 3Hz ~ 384Hz
Output Type I2C, SPI
Voltage - Supply 1.71V ~ 3.6V
Features Selectable Low Pass Filter
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 12-VFLGA Module
Supplier Device Package 12-LGA (2x2)
Packaging Cut Tape (CT), Tape & Reel (TR)

Tổng quan

Description

BMA400, often a course code used in universities, typically refers to an advanced-level business or management subject. The course usually covers comprehensive topics designed to equip students with strategic management skills.
Key areas of focus in BMA400 might include strategic planning, organizational behavior, leadership, and decision-making processes. Students may explore case studies, engage in group projects, and learn through experiential activities to develop critical thinking and problem-solving skills relevant to real-world business challenges.
The course is likely targeted at upper-level undergraduate or graduate students who have foundational knowledge in business or management. It aims to deepen their understanding of how businesses operate and how strategic decisions influence organizational success.
Assessment methods could include examinations, research papers, presentations, and participation in class discussions. By the end of the course, students are expected to have honed their ability to analyze complex business situations and formulate strategic solutions, preparing them for leadership roles in their careers.

Equivalent

The BMA400 is a low-power, three-axis accelerometer. Equivalent products include:
1. ADXL345 from Analog Devices: A versatile accelerometer with similar functionalities.
2. LIS2DW12 from STMicroelectronics: Offers low-power operation and high performance.
3. MMA8451Q from NXP Semiconductors: A 3-axis accelerometer with smart sensing features.
4. ICM-42605 from TDK InvenSense: Combines low power consumption with high precision.
These alternatives provide comparable features for applications requiring precise motion detection.

Features

The BMA400 is a low-power, digital triaxial accelerometer designed by Bosch Sensortec. Key features include:
1. Low Power Consumption: Operates with minimal energy, making it ideal for battery-powered devices.
2. High Precision: Offers 12-bit digital output with excellent noise performance and zero-g offset accuracy.
3. Versatility: Suitable for various applications, such as wearables, smart home devices, and industrial monitoring.
4. Embedded Intelligence: Includes features like step counting, activity recognition, and tilt detection.
5. Advanced Power Modes: Offers multiple modes like normal, low power, and suspend for optimized usage.
6. Wide Measurement Range: Supports ranges from ±2g to ±16g, catering to different application needs.
7. Built-in FIFO Buffer: Reduces host processor load by storing data directly on the sensor.
8. I2C and SPI Interfaces: Provides flexibility in communication with other devices.
9. Compact Design: Comes in a small 2.0 x 2.0 x 0.95 mm LGA package, ideal for space-constrained applications.
These features make the BMA400 suitable for applications requiring precise motion detection and minimal power usage.

Pinout

The BMA400 is a low-power 3-axis accelerometer developed by Bosch Sensortec. It features a 12-pin LGA package, although not all pins might be used for traditional signal inputs/outputs. Here is a brief overview of its pin functions:
1. VDDIO: Supply voltage for the I/O interface.
2. VDD: Supply voltage for the sensor.
3. GND: Ground.
4. SDA/SDI/SDIO: Data line for I²C/SPI communication (dual function).
5. SCL/SCK: Clock line for I²C/SPI communication (dual function).
6. CSB: Chip select for SPI interface.
7. INT1: Interrupt pin 1.
8. INT2: Interrupt pin 2.
9. VDDIO2: Optional secondary supply voltage for the I/O interface.
10. NC (x2): Not connected; typically reserved for future use.
11. GND: Additional ground pin.
The BMA400 is designed for ultra-low power consumption, making it suitable for wearable devices and other battery-powered applications. It supports both SPI and I²C communication protocols, providing flexibility in interfacing with microcontrollers.

Manufacturer

The BMA400 is manufactured by Bosch Sensortec GmbH, a subsidiary of Robert Bosch GmbH. Bosch Sensortec specializes in the development and production of microelectromechanical systems (MEMS) sensors, which are used in a wide variety of applications, including consumer electronics such as smartphones, wearables, and IoT devices. As a company, Bosch Sensortec is part of the larger Bosch Group, a global engineering and technology company headquartered in Germany. Bosch is known for its work in various sectors, including automotive technology, industrial technology, consumer goods, and building technology. The BMA400 itself is an ultra-low-power, triaxial accelerometer used for motion and gesture detection, energy-efficient for applications that require long battery life.

Application

The BMA400 is a triaxial accelerometer widely used in various applications due to its low power consumption and high precision. Key application areas include:
1. Wearables: Motion tracking and activity monitoring in fitness trackers and smartwatches.
2. Consumer Electronics: Enhancing user interface experiences in smartphones and tablets through gesture recognition and device orientation detection.
3. Industrial Monitoring: Vibration analysis and equipment health monitoring in industrial settings.
4. Smart Home Devices: Motion detection and automation in smart home systems.
5. Healthcare: Fall detection and patient monitoring in medical devices.
6. Automotive: Vehicle motion sensing and crash detection systems.
These diverse applications leverage the sensor's capabilities for efficient motion detection and data accuracy.

Package

The BMA400 is packaged in a compact 12-pin LGA (Land Grid Array) package, measuring 2.0 mm x 2.0 mm x 0.95 mm.

Frequently Asked Questions


Q: What are the selectable acceleration ranges for the BMA400?
A: The BMA400 supports selectable ranges of ±2g, ±4g, ±8g, and ±16g.


Q: What digital interfaces does the BMA400 use for communication?
A: The BMA400 supports both I2C and SPI digital output interfaces.


Q: What is the operating voltage range of the BMA400 sensor?
A: The sensor operates over a supply voltage range of 1.71V to 3.6V.


Q: Does the BMA400 include any built-in signal processing features?
A: Yes, it features a selectable low pass filter for noise reduction.


Q: What is the package size and mounting type for the BMA400?
A: It is a surface mount device in a 12-VFLGA module, with a 2x2mm LGA package.


Q: What is the maximum output data rate bandwidth of the BMA400?
A: The bandwidth can be configured from 3Hz up to 384Hz.


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