LSM6DS3TR-C

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FAQ

Q: What does the "C" in LSM6DS3TR-C mean?
A: The C revision (LSM6DS3TR-C) introduces several enhancements over the original LSM6DS3: improved gyroscope zero-rate stability (reduced drift over temperature), lower power consumption in combo mode, and MIPI I3C interface support. The C revision is recommended for new drone FC designs. The original

Q: How does the LSM6DS3TR-C compare to the MPU-6000 for drones?
A: The LSM6DS3TR-C significantly outperforms the legacy MPU-6000: 3.8 vs 5.0 mdps/√Hz gyro noise, 6.66 kHz vs 1 kHz max ODR, 8 KB vs 1 KB FIFO, and 0.45 mA vs 5.0 mA operating current. The MPU-6000 maintains a niche due to its SPI-only interface (deterministic timing) but the LSM6DS3TR-C outperfo

Q: Can I run two LSM6DS3TR-C on the same I²C bus for dual IMU?
A: Yes. The SDO/SA0 pin selects between I²C addresses 0x6A (SA0=GND) and 0x6B (SA0=VDD). This enables two LSM6DS3TR-C sensors on a single I²C bus for dual-redundant IMU configurations — a common setup in safety-critical drone autopilots requiring hardware-level sensor diversity.

1. Product Overview

The LSM6DS3TR-C is STMicroelectronics' high-performance 6-axis MEMS IMU integrating a 3-axis accelerometer and 3-axis gyroscope in a single LGA-14L (2.5×3×0.83 mm) package. It is one of the most widely adopted IMUs in the drone flight controller ecosystem, serving as the primary attitude and inertial measurement sensor for Betaflight, iNav, and ArduPilot platforms. With a gyroscope noise density of just 3.8 mdps/√Hz , an accelerometer noise floor of 90 µg/√Hz , and a massive 8 KB FIFO , it supports IMU update rates up to 6.66 kHz for high-speed PID control loops and advanced sensor fusion algorithms. The gyroscope full-scale range extends to ±2000 dps ensuring clean rate data even during the most aggressive FPV racing and freestyle maneuvers, while

2. Key Features

• 3.8 mdps/√Hz Gyro Noise — Clean Angular Rate for High-Speed PID Loops
• 8 KB FIFO — Batch Sensor Reads for Reduced Bus Traffic
• ±2000 dps Gyro Full Scale — Never Saturate During Extreme Maneuvers
• 90 µg/√Hz Accel Noise — Precision Tilt Estimation for Hovering
• FSM + Machine Learning Core — On-Chip Motion Classification
• Low Power: 0.45 mA Combo Mode — Efficient for Battery Drones

3. Technical Specifications

4. Applications

• Betaflight F4/F7 Flight Controllers — Primary IMU for 4–8 kHz Gyro Loops
• iNav GPS-Assisted Navigation Platforms
• ArduPilot Dual/Triple IMU Redundancy
• FPV Racing & Freestyle Drones — Maximum Rate Response
• Nano-Drones & Micro-Quads — Single-Chip 6-DOF Solution

5. Supply Solutions

Aurora supports customers with LSM6DS3TR-C — 6-Axis IMU (Accelerometer + Gyroscope) for Drone Flight Controllers by STMicroelectronics sourcing through verified global supply channels. We help OEMs and manufacturers manage availability challenges, production requirements, and lifecycle risks with flexible procurement solutions.

6. Quality Assurance

All components supplied by Aurora follow strict quality control procedures, including supplier verification, documentation review, inspection, and traceability management to ensure product authenticity and reliability.

7. Alternative & Replacement Solutions

When original LSM6DS3TR-C — 6-Axis IMU (Accelerometer + Gyroscope) for Drone Flight Controllers by STMicroelectronics components face shortages, lifecycle changes, or long lead times, Aurora helps customers identify suitable alternative components based on technical requirements, application needs, and supply conditions.

8. Request Quote / Contact

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