Dual-Axis Gyroscope and 3-Axis Accelerometer MEMS Sensor with Digital SPI Interface for Automotive Applications

Dual-Axis Gyroscope and 3-Axis Accelerometer MEMS Sensor with Digital SPI Interface for Automotive Applications

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Murata has introduced the SCC300 series components that combine high-performance angular rate and accelerometer sensor components. The SCC300 is the 3rd generation of MEMS (Micro-Electro-Mechanical Systems) 4DoF (four-degrees-of-freedom) and 5DoF (five-degrees-of-freedom) inertial sensors that realize high-performance for safety-critical automotive applications. The new device consists of versions of an X-axis, Z-axis, and XZ-axis angular rate sensor and a 3-axis accelerometer sensor.

The SCC300 series is designed, manufactured, and tested to deliver reliability, quality, and extremely stable output over a wide range of temperature, humidity, and vibration conditions. The sensor in the device is designed to meet the new shock and vibration requirements coming from integrated brake systems for more cost-effective and size effective ESC (Electronic Stability Control) functionality in modern electrified vehicle architecture.

The SCC3000 series provides a cost-effective realization of ESC product family for both standard and high-specification ESC with additional features. Pin-to-Pin Compatability combined with common SPI-interface in the components to reduce the engineering effort at the system supplier level, this strengthens the system robustness.

Features of SCC300 Components

  • ISO26262 compliant for systems up to ASIL-D
  • Excellent bias stability, low noise level, and excellent vibration robustness
  • ±300°/s angular rate measurement range for robust sensing in harsh environment
  • ±6g acceleration measurement range
  • ±15g auxiliary acceleration measurement range
  • -40°C~+110°C operating temperature range (Contact to Murata if +125°C is needed)
  • User-selectable filter setting 13, 20, 46, 200, 300Hz
  • 3.0V~3.6V supply voltage
  • Extensive self-diagnostics features
  • Qualified according to the AEC-Q100 standard

The new components are also designed with the features like extensive failsafe functions and error bits for diagnostics, they are also designed with internal reference signal monitoring, checksum techniques for verifying communication, and signal saturation/over-range detection. The continuously operating self-test function of the 3-axis accelerometer monitors the sensor during measurement. The self-test function in the device makes sure that the entire single chain from MEMS sensor movement to signal conditioning circuitry for every measurement-cycle is operating properly.

The SCC300 is suitable to be used in Electronic Stability Control (ESC) Headlight alignment, Roll Over and Roll Stability Control, Dynamic Chassis Contol, Lane Keeping Assistance (LKA), motion, and navigation measurement. To know more about the SCC3000 series X/Z-axis Gyro & 3-axis Accelerometer, visit the official website of Murata Manufacturing Co Ltd.

About mixos

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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