Overview

The IIM-42351 is a 3-axis accelerometer packaged in a small 2.5 mm x 3 mm x 0.91 mm (14-pin LGA) package.

The IIM-42351 includes multiple capabilities to enable easy, robust and accurate inertial and inclination measurements in Industrial applications:

  • Low noise: 70 μg/√Hz
  • Low power: 0.3 mA with all 3-axes delivering full performance
  • Output data rate up to 8 kHz
  • Highly accurate external clock input to increase ODR accuracy, reduce system level sensitivity error, improve measurement impacts from device to device variation.
  • 2K-byte FIFO that can lower the traffic on the serial bus interface, and reduce power consumption by allowing the system processor to burst read sensor data and then go into a low-power mode
  • Wake-on-motion interrupt for low power operation of applications processor
  • Operating temperature range: -40°C to 105°C

The host interface can be configured to support I3CSM slave, I2C slave, or SPI slave modes. The I3CSM interface supports speeds up to 12.5 MHz (data rates up to 12.5 Mbps in SDR mode, 25 Mbps in DDR mode), the I2C interface supports speeds up to 1 MHz, and the SPI interface supports speeds up to 24 MHz.
The device features an operating voltage range from 3.6V down to 1.71V.

Product Details

ProductTypePackage Size
(mm)
Gyro Sensing Range
(degrees/sec)
Accel Sensing Range
(g)
InterfaceCommentsProduct Brief

IIM-42351
3-axis accelerometer2.5 × 3 × 0.91
14-pin LGA
N/A16I3CSM / I2C / SPILow noise accelerometer for tilt sensing

Industrial Applications

Precision Agriculture

Construction

HD mapping, surveying and Geo-referencing

Industrial Robots, Warehouse and Mobile Robots

Bridge GNSS outage and provide terrain compensation inputs during normal operation in various agricultural environments, particularly for Equipment navigation/guidance/positioning

  • Equipment navigation / positioning
  • Precision guidance for spraying, harvesting
  • Bridge GNSS / GPS outage
  • Provide terrain compensation inputs

Maintain blade and bucket position on bulldozers, excavators, motor-graders, etc. during normal operation.  Additionally, the IMU data is coupled with GNSS to constrain position and bridge GNSS outage.

  • Equipment navigation / guidance / positioning
  • Bridge GNSS / GPS outage
  • Tilt sensing
  • Maintain blade and bucket position on bulldozers, excavators, motor-graders, etc

Precision data enabling the creation of HD maps and surveys, but also provide exact position for stabilization and location.

  • Camera stabilization
  • Survey equipment stabilization
  • Navigation, Dead reckoning

Industrial robots use motion data to enable automation, improve efficiency and monitor conditions, as well as the precise motion and vibration measurements produced.

  • Navigation, Dead reckoning
  • Platform stabilization

Features

  • Digital-output X-, Y-, and Z-axis accelerometer with programmable full-scale range of ±2g, ±4g, ±8g and ±16g
  • User-programmable interrupts
  • I3CSM / I2C / SPI slave host interface
  • Digital-output temperature sensor
  • External clock input supports highly accurate clock input from 31 kHz to 50 kHz
  • Small and thin package: 2.5 mm x 3 mm x 0.91 mm (14-pin LGA)
  • 20,000g shock tolerant
  • MEMS structure hermetically sealed and bonded at wafer level
  • RoHS and Green compliant

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