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QMI8658C
QMI8658C
| Part Number | QMI8658C |
|---|---|
| Manufacturer | QST (Qingdao Sensylink Microelectronics / OnMicro) |
| Category | Sensors > IMUs (Inertial Measurement Units) |
| Description | 6-Axis IMU with Integrated Attitude Engine, 3-Axis Gyroscope and 3-Axis Accelerometer, Ultra-Low Noise, I2C/SPI Interface, 14-Pin LGA Package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The QMI8658C is a low-power 6-axis IMU integrating 3-axis gyroscope and accelerometer in a tiny 14-pin LGA package. Built-in on-chip attitude engine locally processes sensor fusion to reduce MCU load and save power. It features 16-bit ADC, low clock jitter, configurable digital filters, and supports high-speed I2C, SPI and I3C interfaces, ideal for wearables, drones, IoT and gaming devices.
Core Advantages
Local On-Chip Attitude Engine
Performs real-time sensor fusion calculation inside hardware to reduce MCU power consumption during standby.
Ultra-Low Noise Density
Optimized internal circuit minimizes jitter and thermal noise, ensuring high static accuracy for attitude calculation.
Comprehensive Dynamic Range Scale
Fully adjustable measurement range fits tiny tilt movement and high-speed tumbling applications.
Exceptional Power Efficiency
Multiple low-power operation modes, perfectly suited for always-on portable battery-powered devices.
Key Specifications
| Brand | QST Motion Tracking IMU Series |
|---|---|
| RoHS Status | RoHS Compliant / Halogen-Free Green Compound Assembly |
| EDA/CAD Model | PCB footprints, recommended trace layout land patterns, and 3D CAD files available upon request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | 14-Pin LGA (2.5mm × 3.0mm × 0.86mm) |
| Mounting Type | Surface Mount |
| Surface Marking / Silkscreen | 8658 Marking |
| Sensor Type | 6-Axis Combo Sensor (3D Accelerometer + 3D Gyroscope) |
| Accelerometer Axis | X, Y, Z three axes |
| Accelerometer Range | Programmable ±2g, ±4g, ±8g, ±16g Full-Scale Options |
| Gyroscope Axis | X, Y, Z three axes |
| Gyroscope Range | Programmable ±16°/s to ±2048°/s Angular Vector Options |
| Gyro Noise Density | 15 mdps/√Hz |
| Gyro Sensitivity Error | ±3% |
| Attitude Accuracy (Match XKF3) | Pitch & Roll: ±3°, Heading: ±5° |
| On-Chip Function | Built-in 9-axis sensor fusion algorithm |
| Delay Feature | Low transmission delay |
| ADC Resolution | 16-Bit High-Resolution Analog-to-Digital Embedded Converter |
| Host Communication Links | I2C Fast Mode Plus / 4-Wire SPI / I3C Modes |
| Supply Voltage (VDD) | 2.4V to 3.6V Continuous Main Operating Voltage |
| Interface Voltage (VDDIO) | 1.62V to 3.6V Digital Logic Communication Plane Compatibility |
| Operating Temperature Range | -40°C to +85°C Extended Industrial Thermal Range |
| Application Fields | High-performance consumer electronics, industrial measuring equipment |
Typical Applications
- Smart Wearable Equipment, Advanced Fitness Trackers, and Intelligent Smartwatches
- Augmented Reality (AR), Virtual Reality (VR) HMD Controllers, and Spatial Gestural UI Systems
- Drones, Quadcopters, Radio-Controlled Model Aircraft Electronic Stabilization Platforms
- Robotic Vacuum Cleaners, Indoor Autonomous AGVs, and Dead-Reckoning Navigation Support
- Smart IoT Nodes, Anti-Tamper Asset Tracking Modules, and Machine Vibration Safeguards
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheets, samples, stock inquiry and bulk quotation, please submit quick inquiry. We reply within 24 hours.
Frequently Asked Questions
Q1: What communication interfaces does QMI8658C support?
A: It supports I2C Fast Mode Plus (up to 1MHz), 3-wire / 4-wire SPI (max 15MHz).
Q2: What benefits does the built-in Attitude Engine bring?
A: It calculates attitude data on-chip, letting the main MCU stay in low-power mode to save power.
Q3: Is QMI8658C pin compatible with other 6-axis IMUs?
A: Same footprint size, but pin assignment and register definitions differ; cross-check layout before PCB design.
Q4: How to reduce zero-drift shift with temperature changes?
A: Use built-in programmable LPF filter; run calibration at startup to compensate thermal drift.
Q5: Can I get free samples of QMI8658C for testing?
A: Free samples are available for engineering verification, only need to cover shipping cost.
Q6: What is the MOQ and lead time for mass order?
A: Small batch support, standard lead time 7-12 working days based on stock quantity.
Q7: Is this IMU industrial temperature grade?
A: Operating temperature range: -40℃ ~ +85℃, suitable for industrial equipment.
Q8: Does your product pass RoHS halogen-free certification?
A: All QMI8658C comply with RoHS & halogen-free standards, relevant docs can be provided.
Q9: What’s your warranty policy for defective chips?
A: We offer replacement service for factory defective parts within 1 year after delivery.
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