LSM6DS3TR-C - 3D Accelerometer & 3D Gyroscope | STMicroelectronics
部品番号: LSM6DS3TR-C ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $1.5 | $1.50 |
| 10 | $1.0833 | $10.83 |
| 100 | $0.9583 | $95.83 |
| 500 | $0.9167 | $458.35 |
| 1,000 | $0.875 | $875.00 |
LSM6DS3TR-C 概要
What is an inertial measurement unit (IMU)? An IMU is a sensor module that combines an accelerometer and a gyroscope to measure linear acceleration and angular velocity, respectively. The LSM6DS3TR-C is a 6-axis IMU, which is a subset of motion sensors used in a wide range of applications from smartphones to robotics. In the sensor hierarchy, an IMU falls under the category of motion sensors, which are part of the broader sensor family. This device integrates both sensors in a single package, reducing board space and simplifying design compared to discrete solutions.
Key features of the LSM6DS3TR-C include an ultra-low power consumption of 0.9 mA in normal mode, a 16-bit resolution, and an embedded FIFO buffer of 8 KB that allows data batching to reduce host processor load. The device also features a programmable interrupt generator for motion detection, step detection, and tilt functions, enabling always-on applications with minimal power. The LGA-14L package (2.5 x 3.0 x 0.83 mm) is compact and suitable for space-constrained designs.
Technically, the LSM6DS3TR-C uses a micro-machined silicon structure with capacitive sensing for both acceleration and angular rate. It includes a dedicated internal processing engine for advanced features like pedometer and step counter, which are hardware-accelerated to offload the host MCU. The device supports a wide operating temperature range of -40°C to +85°C, making it suitable for industrial environments. The SPI and I2C interfaces allow flexible integration with various microcontrollers.
Typical applications include motion-activated user interfaces, gaming and virtual reality input devices, optical image stabilization (OIS) in cameras, and industrial vibration monitoring. The low power consumption and high resolution make it ideal for battery-powered IoT devices, where long battery life is critical. In smartphones, it enables screen rotation and step counting, while in industrial settings, it can detect machine vibration anomalies.
When designing with the LSM6DS3TR-C, ensure proper decoupling of the power supply with a 100 nF capacitor close to the VDD pin, and route the I2C/SPI lines with minimal trace length to avoid signal integrity issues. The device's interrupt pins can be configured to wake the system from sleep, enabling power-efficient always-on sensing.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the ST datasheet, providing a comprehensive resource for engineers evaluating the LSM6DS3TR-C for their motion sensing needs.
ドロップイン代替品: LSM6DS3TR-C — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: LSM6DS3TR-C （同一形状・フットプリント） — 相違点: Package, Accelerometer Full Scale, Embedded Features, Operating Temperature, Sensor Type.
クイック比較ツール — 並列比較する代替部品を選択:
LSM6DS3
📋 参考代替品（カタログ未掲載）
LSM6DSO
📋 参考代替品（カタログ未掲載）
LSM6DSLTR
✓ 在庫あり
$1.85 / 個
データシートを見る →LSM6DS3TR-C 最大定格＆電気的特性
| Accelerometer Full-Scale Range | ±2/±4/±8/±16 g |
| Gyroscope Full-Scale Range | ±125/±245/±500/±1000/±2000 dps |
| 出力データレート（ODR） | 1.6 Hz to 6.66 kHz (accel), 12.5 Hz to 6.66 kHz (gyro) |
| 分解能 | 16-bit |
| 電源電圧 | 1.71 V to 3.6 V |
| Current Consumption (Normal Mode) | 0.9 mA |
| Current Consumption (Low Power Mode) | 0.45 mA |
| FIFO Size | 8 KB |
| Communication Interface | I2C, SPI |
| パッケージ | LGA-14L (2.5 x 3.0 x 0.83 mm) |
| 動作温度範囲 | -40°C to +85°C |
| Sensitivity (Accel) | 0.061 mg/LSB (at ±2g) |
| Sensitivity (Gyro) | 4.375 mdps/LSB (at ±125dps) |
| Zero-g Offset (Accel) | ±20 mg |
| Zero-rate Offset (Gyro) | ±10 dps |
| RoHS ステータス | Compliant |
LSM6DS3TR-C ピン構成
| ピン 1 | VDD_IO — Power supply for I/O pins |
| ピン 2 | SCL/SPC — I2C clock / SPI clock |
| ピン 3 | SDA/SDI — I2C data / SPI data input |
| ピン 4 | SDO/SA0 — SPI data output / I2C address select |
| ピン 5 | CS — Chip select (active low) |
| ピン 6 | INT1 — Interrupt 1 output |
| ピン 7 | INT2 — Interrupt 2 output |
| ピン 8 | GND — Ground |
| ピン 9 | GND — Ground |
| ピン 10 | VDD — Power supply |
| ピン 11 | NC — Not connected |
| ピン 12 | NC — Not connected |
| ピン 13 | NC — Not connected |
| ピン 14 | NC — Not connected |
主な用途
LSM6DS3TR-C の用途: 6 件s: Wearable Fitness Trackers, Smartphones and Tablets, Industrial Vibration Monitoring, Gaming and Virtual Reality, IoT Smart Home Devices, Optical Image Stabilization (OIS).
Wearable Fitness Trackers
The LSM6DS3TR-C is ideal for wearable fitness trackers due to its ultra-low power consumption (0.9 mA) and compact LGA-14L package. It enables continuous step counting, activity recognition, and sleep monitoring without draining the battery. The hardware step detector and pedometer offload the host MCU, allowing the main processor to remain in sleep mode longer. The 16-bit resolution and wide full-scale ranges (±2g to ±16g) ensure accurate motion tracking across various activities, from walking to vigorous exercise. The device's small footprint (2.5x3.0x0.83 mm) fits easily into slim wearable designs, and its I2C/SPI interface simplifies integration with common MCUs like nRF52 or STM32. Designers should ensure proper power supply decoupling and place the sensor away from high-frequency traces to minimize noise. The FIFO buffer can store motion data during high-activity periods, reducing host wake-ups and further saving power.
おすすめ
Smartphones and Tablets
In smartphones and tablets, the LSM6DS3TR-C provides motion sensing for screen rotation, gesture recognition, and gaming. Its low power consumption is critical for always-on functions like step counting and tilt detection. The device's high sensitivity (0.061 mg/LSB at ±2g) ensures precise orientation detection, while the gyroscope's range up to ±2000 dps supports fast motion in gaming. The embedded FIFO and interrupt engine allow the application processor to stay in low-power states, waking only when motion events occur. The I2C interface at up to 400 kHz or SPI at up to 10 MHz provides fast data transfer. Designers should place the sensor near the device's center of mass for accurate motion sensing and avoid mounting near speakers or vibration sources. The device's small size and low profile make it suitable for slim smartphone designs.
おすすめ
Industrial Vibration Monitoring
The LSM6DS3TR-C is suitable for industrial vibration monitoring due to its wide full-scale range (±16g) and high resolution (16-bit). It can detect vibrations in machinery, enabling predictive maintenance. The device's operating temperature range of -40°C to +85°C allows deployment in harsh industrial environments. The SPI interface enables high-speed data streaming for real-time analysis. The embedded FIFO can buffer vibration data for post-processing, reducing host load. Designers should mount the sensor securely to the monitored equipment to ensure accurate vibration transfer. The device's low power consumption is beneficial for battery-powered wireless sensor nodes. The interrupt engine can be configured to trigger alerts when vibration thresholds are exceeded, enabling immediate response to anomalies.
おすすめ
Gaming and Virtual Reality
The LSM6DS3TR-C provides high-speed motion tracking for gaming controllers and VR headsets. Its gyroscope range up to ±2000 dps captures rapid movements, while the accelerometer's ±16g range handles sudden impacts. The device's low latency and high ODR (up to 6.66 kHz) ensure responsive tracking. The 16-bit resolution provides smooth, accurate motion data. The I2C/SPI interface allows integration with gaming MCUs. Designers should minimize latency by using the SPI interface and configuring the device for high ODR. The FIFO can be used to batch data, reducing interrupt overhead. The device's small size is ideal for compact controllers. Power consumption is less critical in gaming devices, but the low-power modes are still useful for wireless controllers.
おすすめ
IoT Smart Home Devices
The LSM6DS3TR-C is perfect for IoT smart home devices like smart thermostats, security cameras, and smart speakers. Its low power consumption enables battery-powered operation for years. The device can detect motion for security alerts or presence detection. The always-on feature with interrupt generation allows the system to wake only when motion is detected, saving power. The compact package fits into small devices. The I2C interface simplifies connection to low-power MCUs like ESP32 or STM32L0. Designers should place the sensor to detect relevant motion and configure the interrupt thresholds appropriately. The FIFO can store motion events for later retrieval. The device's wide temperature range ensures reliable operation in various home environments.
おすすめ
Optical Image Stabilization (OIS)
The LSM6DS3TR-C is used in camera modules for optical image stabilization, where the gyroscope detects camera shake and the system compensates by moving the lens or sensor. The gyroscope's high sensitivity (4.375 mdps/LSB at ±125dps) and low noise are critical for accurate stabilization. The device's high ODR (up to 6.66 kHz) ensures real-time correction. The small package allows integration into compact camera modules. The SPI interface provides high-speed data transfer to the OIS controller. Designers should mount the sensor close to the camera module and ensure mechanical coupling to detect shake accurately. The device's low power consumption is beneficial for battery-powered cameras. The FIFO can buffer gyro data for processing.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: LSM6DS3TR-C — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | LSM6DS3 | LSM6DSO | LSM6DSL |
|---|---|---|---|---|
| Package | LGA-14L | LGA-14L - same | LGA-14L - same | LGA-14L - same |
| Accelerometer Full-Scale Range | ±2/±4/±8/±16 g | ±2/±4/±8/±16 g | ±2/±4/±8/±16 g | ±2/±4/±8/±16 g |
| Gyroscope Full-Scale Range | ±125/±245/±500/±1000/±2000 dps | ±125/±245/±500/±1000/±2000 dps | ±125/±245/±500/±1000/±2000 dps | ±125/±245/±500/±1000/±2000 dps |
| Current Consumption (Normal Mode) | 0.9 mA | 0.9 mA | 0.55 mA | 0.45 mA |
| FIFO Size | 8 KB | 8 KB | 3 KB | 4 KB |
| Output Data Rate (Max) | 6.66 kHz | 6.66 kHz | 6.66 kHz | 6.66 kHz |
| Supply Voltage Range | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
主な差別化要因
- Larger FIFO (8 KB) compared to LSM6DSO (3 KB) （vs LSM6DSO)
- Lower current consumption (0.9 mA) than LSM6DSO (0.55 mA) （vs LSM6DSO)
- Pin-to-pin compatible with LSM6DS3 （vs LSM6DS3)
設計ノート
Place a 100 nF decoupling capacitor close to the VDD pin and a 100 nF capacitor on VDD_IO. Use a low-ESR ceramic capacitor to ensure stable operation. The supply voltage should be within 1.71V to 3.6V; avoid voltage drops below the minimum to prevent malfunction.
Route I2C/SPI traces with minimal length and avoid crossing high-speed digital lines. Use ground planes to reduce noise. Place the sensor away from heat sources and mechanical stress points. Ensure proper soldering of the LGA package to avoid cold joints.
Do not exceed the absolute maximum ratings, including supply voltage and acceleration. Ensure the I2C address is correctly set via the SDO/SA0 pin to avoid address conflicts. Configure the ODR and full-scale ranges appropriately for the application to avoid data overflow.
コンプライアンス情報
RoHS compliant per STMicroelectronics datasheet. Not AEC-Q100 qualified.
