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Q: Should I use LSM6DS3TR or LSM6DS3TR-C for a new drone FC design?
A: For new designs, choose the LSM6DS3TR-C. It offers 24% lower gyro noise (3.8 vs 5.0 mdps/√Hz), improved temperature stability, lower power, and I3C support at essentially the same price. The original LSM6DS3TR should be reserved for existing designs where requalification is impractical or for
Q: Are there any Betaflight features that require LSM6DS3TR-C over LSM6DS3TR?
A: No. Both are functionally identical in Betaflight. The LSM6DS3TR-C's lower noise enables slightly cleaner gyro data, which can translate to marginally better flight performance at extreme PID gains, but all Betaflight features (RPM filtering, dynamic notch, bidirectional DShot) work identically
Q: Is the original LSM6DS3TR going end-of-life (EOL)?
A: As of 2026, ST has not announced EOL for the LSM6DS3TR. However, it is a mature product and the C revision is the recommended replacement for new designs. Contact Aurora Components for current availability and long-term supply outlook.
The LSM6DS3TR is the original LSM6DS3 6-axis IMU from STMicroelectronics — the sensor that established the LSM6DS family as the dominant IMU platform in the drone flight controller ecosystem. With 5.0 mdps/√Hz gyro noise, 90 µg/√Hz accel noise, an 8 KB FIFO, and 6.66 kHz max ODR, it provided a generational leap over the MPU-6000/MPU-6050 when introduced and remains in widespread use today on cost-optimized Betaflight and iNav flight controller boards. While the “C” revision (LSM6DS3TR-C) has superseded it with improved gyro stability (3.8 mdps/√Hz) and lower power, the original LSM6DS3TR is still actively sourced for cost-sensitive designs, legacy board revisions, and applications where its proven reliability and broad driver support outweigh the i
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | LSM6DS3TR |
| Type | 6-Axis IMU: Accel + Gyro |
| Accel Range | ±2/4/8/16 g |
| Gyro Range | ±125/250/500/1000/2000 dps |
| Accel ODR | 1.6 Hz – 6.66 kHz |
| Gyro ODR | 12.5 Hz – 6.66 kHz |
| Gyro Noise | 5.0 mdps/√Hz |
| Accel Noise | 90 µg/√Hz |
| FIFO | 8 KB |
| Interface | I²C (400 kHz) / SPI (10 MHz) |
| Current | 0.45 mA (combo HP) |
| Supply | 1.71V – 3.6V |
| Package | LGA-14L (2.5×3×0.83 mm) |
| Temperature | −40°C to +85°C |
Aurora supports customers with LSM6DS3TR — Original 6-Axis IMU for Drone Flight Controllers — Proven Betaflight/iNav Platform 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.
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.
When original LSM6DS3TR — Original 6-Axis IMU for Drone Flight Controllers — Proven Betaflight/iNav Platform 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.
Need LSM6DS3TR — Original 6-Axis IMU for Drone Flight Controllers — Proven Betaflight/iNav Platform by STMicroelectronics availability or sourcing support?
Contact Aurora for component verification, quotation, and reliable supply solutions.






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