LSM6DS3TR-C|ST, STMicroelectronics | 6DoF six-axis inertial measurement unit (3-axis accelerometer + 3-axis gyroscope with built-in temperature sensor)

I. Appearance and Packaging

Package: LGA-14L (VFLGA14), dimensions 2.5×3×0.86mm, ultra-thin chip-scale package, thin-profile surface-mount encapsulation, 14 pads at the bottom, pinless, suitable for high-density PCB layout. STMicroele...

Packaging: TR = Tape & Reel, standard reel packaging, 5000 pcs/reel, SMT automated mounting.

Appearance: A black plastic-encased block with a silk-screened model number on the top surface and an array of metal pads on the bottom, featuring a compact size suitable for small-scale terminals.

II. Core Performance Parameters

Measurement range (configurable via software)

Accelerometer: ±2 / ±4 / ±8 / ±16 g

Gyroscope: ±125 / ±250 / ±500 / ±1000 / ±2000 dps

Power Consumption: High-performance composite mode at 0.9mA, supporting Always-on low-power mode with sleep and wake capabilities, suitable for battery-powered products (STMicroele...

Storage: 4KB FIFO cache, supporting batch data storage to reduce MCU read frequency, saving power and reducing load.

Communication interfaces: I²C + SPI (3-wire/4-wire SPI);The I2C address can be switched via the SA0 pin, supporting sensor hub expansion for external sensors static6.ar...

Electrical: Supply voltage 1.71V ~ 3.6V, typical 3.3V

Temperature range: -40°C to +85°C, consumer industrial grade, not AEC-Q100 automotive grade (Note: Some vendors in the market incorrectly label it as automotive grade; ST's official website defines it as a consumer/portable device component) STMicroele...

Output: 16-bit numeric output; Dual hardware interrupt pins INT1/INT2

III. Built-in Functions (Hardware Event Detection, No MCU Computation Required)

Pedometer, step detection, significant motion, tilt detection

Click / Double-click (Tap/Double Tap)

Free-fall detection, 6D/4D directional orientation recognition

Active/Inactive Auto-Sleep and Wake-up (Sleep-to-Wake)

Advantages: The event is determined by sensor hardware, allowing the MCU to remain in sleep mode and significantly reducing the overall power consumption of the entire system.

IV. Typical Application Scenarios

Smartphones, tablets, and lightweight portable laptops (posture tracking, flip detection, step counting)

Wearable devices: smart bands, smart watches, TWS earbuds

IoT devices, remote controls, VR/AR simple pose modules

Yuntai, small drones, and handheld devices for attitude perception.

Smart home, fall detection, portable motion capture devices

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