company blog about IIS2DH Three-Axis Accelerometer | Supply and Recycling of Drone Attitude Sensing Components – Shenzhen Mingjiada Electronics

IIS2DH Three-Axis Accelerometer | Supply and Recycling of Drone Attitude Sensing Components – Shenzhen Mingjiada Electronics Co., Ltd.

IIS2DH Product Overview

Shenzhen Mingjiada Electronics Co., Ltd. is a one-stop supplier of electronic components from stock and a stock recycler, offering long-term supply of IIS2DH three-axis MEMS accelerometers from stock and purchasing them back at competitive prices. The IIS2DH is an ultra-low-power, high-performance, industrial-grade triaxial linear accelerometer launched by STMicroelectronics. It features I²C and SPI digital serial output interfaces and offers powerful functions such as high-resolution acceleration acquisition, motion wake-up, free-fall detection and attitude tilt recognition. Thanks to its low power consumption, wide operating temperature range, compact size and high stability, this sensor is widely suited to project development in drones, industrial automation equipment, robotics and IoT devices, making it the preferred component for motion and attitude sensing solutions.

Whether you require bulk procurement of brand-new, factory-sealed IIS2DH units in stock, or wish to liquidate idle stock, surplus stock or IIS2DH units to realise their value, Shenzhen Mingjiada Electronics Co., Ltd. can provide rapid quotations, cash-on-delivery buy-back services and a supply of genuine, factory-sealed products.

IIS2DH Specifications

- Product type: Three-axis linear accelerometer

- Measurement range: ±2g / ±4g / ±8g / ±16g (software-selectable)

- Output resolution: 16-bit

- Output data rate: 1 Hz–5.3 kHz (adjustable)

- Communication interfaces: I²C, SPI

- Supply voltage: 1.71 V–3.6 V

- I/O power supply: Dedicated 1.8 V I/O power supply

- Minimum power consumption current: 2 μA (ultra-low power mode)

- Operating temperature range: –40 °C to +85 °C

- Package specifications: LGA-14 (2.5 mm × 3 mm × 0.83 mm)

- On-chip cache: 4 KB FIFO memory

- Self-test function: Supports on-chip self-test to quickly verify whether the sensor is functioning correctly

IIS2DH Key Features

1. Ultra-low-power design: Power consumption as low as 2 μA in sleep mode, significantly extending the operating time of drones and battery-powered devices whilst reducing overall power consumption demands.

2. High-precision three-axis detection: 16-bit high-resolution output ensures accurate acceleration signal acquisition with low noise, delivering stable and reliable attitude data.

3. Dual independent programmable interrupts: Supports configurable free-fall detection, motion wake-up and tilt-triggered interrupts; the sensor independently monitors motion events whilst the main control chip is in sleep mode, enabling low-power wake-up.

4. Built-in 4KB FIFO buffer: Buffers data to reduce the frequency of MCU reads, alleviating the computational load on the main controller and improving the operational efficiency of the drone flight control system.

5. Stable operation across a wide temperature range: An industrial-grade temperature range of –40°C to +85°C, suitable for the high and low temperatures and complex operating conditions encountered by outdoor drones.

6. Compact surface-mount package: A small LGA package saves space on the drone’s circuit board and is suitable for the compact layout designs of small aerial photography drones and mini-drones.

7. Self-Test and Diagnostic Functions: Sensor self-tests can be performed without the need for external vibration, facilitating factory testing and fault diagnosis for drones, thereby enhancing the reliability of the entire unit.

8. Dual Interface Compatibility: Choice of I2C or SPI communication protocols, compatible with the vast majority of flight control motherboards and microcontroller hardware circuits, enabling convenient project porting.

IIS2DH Key Application Scenarios

1. Drones (Core Application)

Aerial photography drones, industrial inspection drones, and small multi-rotor aircraft: flight attitude and tilt detection, airframe vibration monitoring, free-fall stall detection, attitude-assisted stabilisation control, and impact event logging to ensure flight safety and attitude stability.

2. Industrial Automation and Robotics

Industrial robotic arm attitude monitoring, AGV tilt detection, equipment vibration fault monitoring, motion control, and tilt alarms.

3. Internet of Things (IoT) and Asset Tracking

Low-power positioning trackers, remote condition monitoring terminals, and equipment anti-theft and tamper detection.

4. Smart Devices and Wearables

Motion detection, wake-up triggers, tilt recognition, impact logging and other motion-sensing applications.

Procurement and Stock Recovery Services

Shenzhen Mingjiada Electronics Co., Ltd. specialises in the spot supply of STMicroelectronics MEMS sensors, such as the IIS2DH, as well as the procurement and recovery of surplus stock. All supplied goods are brand-new, original and genuine; we can provide component specifications and ensure stable lead times. We also offer high-value buy-back services for IIS2DH obsolete stock, surplus materials and original stock to manufacturers, traders and solution providers, with cash settlement and efficient stock clearance.

If you require a quotation for the purchase of IIS2DH or have stock buy-back requirements, please contact Shenzhen Mingjiada Electronics Co., Ltd. to discuss cooperation.