SKU: SENS-1135
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QST QMI8658A LGA-14 6-Axis IMU Accelerometer Gyro ROHS

₹135.00 (Inclusive of all taxes)
Out of Stock

The QST QMI8658A is a compact 6-axis MEMS inertial measurement unit (IMU) integrating a 3-axis accelerometer and 3-axis gyroscope, designed for high-precision motion tracking. It features low-noise performance and supports I2C, SPI, and MIPI I3C interfaces for seamless integration with microcontrollers like STM32, ESP32, and Raspberry Pi.

Features

  • 6-axis MEMS IMU with 3-axis accelerometer and 3-axis gyroscope
  • Low noise performance: 13 mdps/√Hz gyro, 150 µg/√Hz accelerometer
  • Supports I2C, SPI, and MIPI I3C digital interfaces
  • Integrated 1536-byte FIFO and embedded temperature sensor
  • Wide operating temperature range from -40°C to +125°C

Out of stock

Description

The QMI8658A utilizes advanced MEMS fabrication to deliver high-stability inertial sensing with minimal latency. Its digitally programmable sampling rates and on-chip filters allow for precise tuning of bandwidth and power consumption to match application requirements, from high-dynamic robotics to power-sensitive wearable devices.

Engineered for robustness, the sensor includes built-in motion detection algorithms for features like pedometer counting, tap sensing, and wake-on-motion, reducing host processor load. Its LGA-14 package and RoHS compliance ensure compatibility with automated assembly processes and modern electronic manufacturing standards.

Key Features

  • High-precision 6-axis inertial measurement with low noise density
  • Flexible digital communication via I2C, SPI, or MIPI I3C host interfaces
  • Large 1536-byte FIFO buffer for efficient data batch processing
  • Integrated programmable motion detection (pedometer, tap, wake-on-motion)
  • Extended operating temperature range (-40°C to +125°C) for industrial environments
  • Power-saving standby mode with fast recovery for battery-operated systems
  • On-chip temperature sensor for thermal drift compensation
  • Compact LGA-14 surface-mount package with RoHS compliance

Applications

  • High-dynamic robotics and drone flight stabilization systems
  • Wearable device motion tracking and activity recognition
  • Augmented/Virtual Reality (AR/VR) headset orientation sensing
  • Industrial equipment vibration monitoring and condition-based maintenance
  • Automotive security systems and telematics

Technical Specifications

Manufacturer Part NumberQMI8658A
Sensor Type6-Axis IMU (3-axis accelerometer + 3-axis gyroscope)
Accelerometer Noise Density150 µg/√Hz
Gyroscope Noise Density13 mdps/√Hz
Digital InterfacesI2C, SPI, MIPI I3C
FIFO Size1536 bytes
Operating Temperature Range-40°C to +125°C
Package TypeLGA-14
CertificationRoHS
Key FeaturesProgrammable data rates, embedded motion detection, integrated temperature sensor

Frequently Asked Questions

What digital interfaces does the QMI8658A IMU support?

The QMI8658A supports three industry-standard digital interfaces: I2C, SPI, and the newer MIPI I3C. This flexibility allows for easy integration with a wide range of host microcontrollers and processors, from simple Arduino boards to complex System-on-Chips (SoCs). The interface is selectable via configuration registers.

What is the benefit of the integrated 1536-byte FIFO?

The large 1536-byte FIFO (First-In, First-Out) buffer allows the sensor to store a significant amount of motion data internally. This enables the host processor to read data in batches rather than continuously polling, drastically reducing system power consumption and freeing up MCU resources for other tasks, which is critical for battery-powered applications.

Can this IMU be used in industrial environments?

Yes, the QMI8658A is suitable for industrial applications due to its extended operating temperature range of -40°C to +125°C and robust MEMS design. Its low-noise performance and programmable filters help maintain accuracy in electrically noisy environments, making it ideal for condition monitoring, robotic arms, and automotive telematics systems.

Does the sensor include built-in motion detection features?

Yes, the QMI8658A includes programmable on-chip motion detection algorithms. These can be configured for functions like pedometer step counting, single/double-tap detection, and wake-on-motion triggering. Utilizing these features offloads computation from the main processor, simplifying application firmware and improving overall system efficiency.

Package Includes

  • 1 x QMI8658A LGA-14 IMU Sensor

Additional Information

Weight 0.035 kg
Dimensions 17 × 20 × 2 cm