Murata SCH1633 6DoF IMU Sensor

Description

Murata SCH1633 6DoF IMU Sensor — High-Performance Gyro + Accelerometer for ADAS/Autonomous Driving

Murata SCH1633 is a high-performance combined gyroscope + accelerometer sensor built on proven 3D capacitive MEMS technology. It sets a strong benchmark for performance, system integration, and total cost optimization in automotive and advanced motion applications.

Designed as an ideal single-package 6DoF IMU, SCH1633 supports data fusion with GNSS and other perception sensors (e.g., cameras, radar, LiDAR) for ADAS (Advanced Driver Assistance Systems) and AD (Autonomous Driving).

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Why SCH1633

1) High-quality inertial signal even over short integration time

With market-leading angle random walk and bias stability, SCH1633 can produce a clean, reliable gyro signal even when the accumulation time is only a few seconds—critical for vehicle control loops and sensor fusion.

2) Built for system-wide sharing & synchronization

Fast data rate, time synchronization features, and strong performance allow multiple vehicle subsystems—HUD control, camera systems, headlamp leveling, and more—to share a consistent IMU signal.

3) Strong functional safety & built-in monitoring

SCH1633 includes 200+ internal monitoring signals, enabling a robust self-diagnostic capability and higher functional-safety readiness compared to typical market solutions.

4) Easier integration: calibrated orthogonality

Measurement-axis orthogonality is factory calibrated by Murata, allowing system integrators to skip a costly and performance-critical calibration step.

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Key Features

• Gyro range: ±300 °/s

• Accelerometer range: ±8 g

• Redundant digital accelerometer channel, dynamic range up to ±26 g

• Gyro bias instability: as low as 0.5 °/h

• Angle Random Walk (ARW): down to 0.03 °/√Hz

• Output interpolation & decimation options

• Time sync capabilities: Data Ready output, timestamp index, and SYNC input

• Operating temperature: −40 to 110 °C

• Supply voltage: 3.0 to 3.6 V; I/O supply: 1.7 to 3.6 V

• SafeSPI v2.0 interface

• Selectable 20-bit or 16-bit output via SPI frame option

• Broad self-test & diagnostics with 200+ monitoring signals

• Package: SOIC-24 inverted, 11.8 × 13.4 × 2.9 mm (L×W×H)

• AEC-Q100 Grade 1, RoHS compliant, suitable for lead-free soldering and SMD assembly

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Specifications

Measurement Characteristics

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Typical Applications

• ADAS (Advanced Driver Assistance Systems)

• Autonomous Driving (AD)

• Inertial navigation

• Advanced vehicle stability control

• Dynamic leveling & headlamp leveling

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FAQ

1. Is SCH1633 suitable for ADAS sensor fusion with GNSS?
   Yes. It is positioned as an ideal 6DoF IMU to fuse with GNSS and sensors like camera/radar/LiDAR for ADAS/AD use cases.

2. What makes SCH1633 easier to integrate than many IMUs?
   Murata calibrates measurement-axis orthogonality, reducing integration effort and avoiding a costly calibration step.

3. How does SCH1633 support time synchronization?
   It provides Data Ready output, timestamp index, and a SYNC input for clock-domain synchronization.

4. What interface does SCH1633 use?
   It supports SafeSPI v2.0, with selectable 20-bit or 16-bit output via SPI frame choice.

5. What is the operating temperature range?
   −40 to 110 °C, suitable for automotive environments.

6. What functional-safety related diagnostics are available?
   A wide self-diagnostic range using 200+ internal monitoring signals.