LSM6DS3TR-C | ST (STMicroelectronics) iNEMO 6-axis IMU (3-axis accelerometer + 3-axis gyroscope)

I. Appearance and Packaging

Package: LGA-14L

Dimensions: 2.5mm × 3.0mm × 0.83mm, miniature flat leadless surface-mount package with 14 pads at the bottom for SMT mounting.

Screen printing: The top surface is printed with SE and 117 markings, encased in black plastic, compact in size, suitable for mobile phones and wearable high-density PCBs.

Packaging: Tape & Reel, full reel 5000 pcs, MPQ = 5000 pcs (resources)....

II. Core Electrical Parameters

form

project

Specifications

Accelerometer

±2 / ±4 / ±8 / ±16g, 16-bit output

gyroscope

±125 / ±250 / ±500 / ±1000 / ±2000 dps, 16-bit output

Supply voltage

VDD：1.71~3.6V； VDDIO: 1.62~3.6V, low-voltage MCU compatible

electric consumption

6-axis high-performance synchronous operation: 0.9mA; Supports Always-on low-power mode.

Communication interface

I²C, SPI (no I³C)

On-chip FIFO

4KB ultra-large FIFO, supporting batch data caching to reduce MCU read frequency.

Built-in sensors

Equipped with an on-chip temperature sensor.

Operating temperature

-40℃ ~ +85℃

3. Built-in Motion Function (On-Chip Hardware Engine)

The ST features built-in motion algorithms, eliminating the need for extensive computations by the MCU:

Pedometer, step count detection, significant motion detection, tilt detection

Free fall, wake-up, 6D/4D orientation recognition, single/tap gesture detection

Supports hardware, software, and iron compensation, can integrate with external magnetometers for 9-axis fusion, and is compatible with the Android M system standard.

Two programmable interrupt pins, with event-triggered notifications to the main MCU resources. ....

IV. Application Scenarios

Entry-level / mid-range smartphones and tablets, posture and screen rotation

Smart bands, watches, and other wearable devices: step counting, posture tracking, gesture recognition.

IoT portable devices, handheld remote controls, styluses

Simple VR/AR Remote Controller, Gimbal, Vibration Monitoring

Laptop drop protection, hard drive shock resistance testing.

V. Strengths and Weaknesses

✅advantage

ST's mature LSM6DS series offers stable mass production, established supply, and cost-effectiveness.

4KB large-capacity FIFO, with prominent cache performance among competitors at the same price point, suitable for low-compute-power MCUs.

Always-on architecture, hardware recognition of motion events, and power saving; Strong impact resistance

It supports gesture-based double-click, single-click, and 6D direction controls, with a comprehensive ecosystem of mobile wearable solutions and a rich set of driver libraries.