BMI160

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BMI160

+BOM

IMU ACCEL/GYRO I2C/SPI 14LGA

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Specifications

Attribute Value
Part Status Obsolete
Base Product Number BMI160
Sensor Type Accelerometer, Gyroscope, 6 Axis
Output Type I2C, SPI
Operating Temperature -40°C ~ 85°C
Package / Case 14-VFLGA Module
Supplier Device Package 14-LGA (2.5x3)
Mounting Type Surface Mount
Packaging Cut Tape (CT), Tape & Reel (TR)

Overview

Description

The BMI160 is a highly integrated sensor from Bosch Sensortec, combining a 3-axis accelerometer and a 3-axis gyroscope in a single package. Designed for applications in wearables, smartphones, and IoT devices, it offers precise motion sensing capabilities with low power consumption. The sensor provides a wide measurement range, supporting various full-scale ranges for both accelerometer (±2g to ±16g) and gyroscope (±125°/s to ±2000°/s), which is ideal for dynamic and static measurements.
Key features include an ultra-low power consumption mode, advanced power management, and an integrated FIFO buffer that minimizes host processor intervention. The BMI160 supports various interfaces, such as I2C and SPI, making it versatile for different hardware configurations. It also provides a high data output rate and low latency, critical for real-time applications.
Overall, the BMI160 is a robust and efficient solution for motion tracking and orientation detection, suitable for integrating into compact electronic devices where performance and battery life are crucial.

Equivalent

The BMI160 is a popular 6-axis inertial measurement unit (IMU) by Bosch, featuring a 3-axis gyroscope and a 3-axis accelerometer. Equivalent products include:
1. MPU-6050 by InvenSense: Another 6-axis IMU combining gyroscope and accelerometer.
2. LSM6DS3 by STMicroelectronics: A 6-axis IMU offering similar functionalities.
3. ICM-20648 by TDK InvenSense: Offers a 6-axis IMU with integrated gyroscope and accelerometer.
4. LSM6DSL by STMicroelectronics: Another alternative with comparable features.
These alternatives vary slightly in features and specifications.

Features

The BMI160 is a 6-axis inertial measurement unit (IMU) sensor designed by Bosch Sensortec. It integrates a 3-axis accelerometer and a 3-axis gyroscope in a single package, offering precise motion sensing capabilities. Key features include:
1. Low Power Consumption: The sensor is designed for low power operation, making it suitable for battery-powered applications.
2. High Precision and Range: It provides high precision motion sensing with selectable accelerometer ranges (±2g, ±4g, ±8g, ±16g) and gyroscope ranges (±125°/s, ±250°/s, ±500°/s, ±1000°/s, ±2000°/s).
3. Small Form Factor: The BMI160 is compact, making it ideal for wearable and portable devices.
4. Integrated Digital Interface: Supports I2C and SPI interfaces for easy integration with microcontrollers.
5. Embedded Features: Includes step counter, step detector, and significant motion detector functions.
6. High Output Data Rate: Capable of handling a maximum output data rate of up to 1600Hz for accurate real-time motion tracking.
7. Temperature Sensor: Built-in temperature sensor for temperature compensation and monitoring.
These features make the BMI160 suitable for applications in smartphones, wearables, gaming devices, and various IoT projects.

Pinout

The BMI160 is a 16-pin sensor module that combines an accelerometer and a gyroscope, designed for low power consumption in consumer electronics. Here is a brief overview of its pin functions:
1. VDDIO - Interface supply voltage.
2. VDD - Power supply voltage for the sensor.
3. GND - Ground.
4. CS - Chip select for SPI communication.
5. SDO - Serial data out (SPI) or address select (I²C).
6. SCL/SCK - Serial clock input for I²C or SPI.
7. SDA/SDI - Serial data input/output for I²C or SPI.
8. PS - Protocol selection between I²C and SPI.
9. INT1 - Interrupt 1 output.
10. INT2 - Interrupt 2 output.
11. RESV - Reserved, should remain unconnected.
12. NC - No connection, should remain unconnected.
13-16. Additional Ground Pins (GND) - Ensure stable ground connection.
The BMI160 is widely used in smartphones, wearables, and other devices requiring precise motion sensing. It supports both I²C and SPI communication interfaces for flexibility in system integration.

Manufacturer

The BMI160 is manufactured by Bosch Sensortec, a subsidiary of the Bosch Group. Bosch Sensortec specializes in the development of microelectromechanical systems (MEMS) for applications in consumer electronics, including smartphones, tablets, wearables, and other mobile devices. The company provides a wide range of sensors including accelerometers, gyroscopes, magnetometers, and environmental sensors. Bosch Sensortec is known for its innovation in sensor technology, contributing to advancements in the Internet of Things (IoT) and smart devices. The Bosch Group, its parent company, is a multinational engineering and technology company headquartered in Germany, known for its diversified operations across various sectors including automotive technology, industrial technology, consumer goods, and energy and building technology.

Application

The BMI160 is a versatile inertial measurement unit (IMU) commonly used in various applications. It is widely employed in consumer electronics for motion sensing in smartphones, tablets, and wearables, enabling features like screen rotation and step counting. In the automotive industry, it supports navigation and stability control systems. The device is also utilized in drones and robotics for precise maneuvering and stabilization. Additionally, the BMI160 is used in gaming for motion-based controls, in virtual reality systems for immersive experiences, and in IoT devices for activity tracking and environmental sensing. Its compact size and low power consumption make it ideal for a wide range of applications requiring accurate motion detection.

Package

The BMI160 is available in a 14-pin LGA (Land Grid Array) package, measuring 2.5 mm x 3.0 mm x 0.8 mm. This compact package is designed to integrate seamlessly into various electronic devices, providing motion sensing capabilities with a small footprint.

Frequently Asked Questions


Q: What are the primary output interfaces supported by the BMI160?
A: The BMI160 supports both I2C and SPI digital output interfaces for flexible system integration.


Q: What is the operating temperature range of this sensor?
A: It operates reliably from -40°C to +85°C, suitable for industrial and consumer environments.


Q: Does the BMI160 combine accelerometer and gyroscope functions?
A: Yes, it is a 6-axis inertial measurement unit (IMU) featuring both accelerometer and gyroscope sensors.


Q: What is the package type and size for the BMI160?
A: It comes in a 14-VFLGA module (14-LGA package) measuring 2.5mm x 3mm, ideal for space-constrained designs.


Q: Is the BMI160 still available for new designs?
A: No, its part status is marked as Obsolete, so it may not be recommended for new product designs.


Q: What mounting method is required for this component?
A: It is designed for Surface Mount Technology (SMT) assembly on PCBs.


Q: What packaging options are available for the BMI160?
A: It is offered in Cut Tape (CT) for prototyping and Tape & Reel (TR) for automated production.