MPU-9255 Equivalent & Substitute Parts

Part Overview

The MPU-9255 is a 9-axis inertial measurement unit (IMU) combining accelerometer functionality manufactured by TDK InvenSense. This component is classified as obsolete and no longer in active production. Due to its discontinued status, sourcing new units from primary channels is limited. The MPU-9255 remains available in existing inventory (878 Pcs), but organizations requiring long-term supply continuity or new designs must transition to active equivalent components that maintain functional compatibility with the original sensor architecture.

Substiute Parts

MPU-9255

TDK InvenSenseIn Stock: 930MPU-9255 Datasheet

Current PartRFQ

ICM-20948

TDK InvenSenseIn Stock: 5570ICM-20948 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ICM-20948 qualifies as a direct substitute for the MPU-9255 based on the following substitution criteria:

• Manufacturer Continuity: Both components are manufactured by TDK InvenSense, ensuring design philosophy and pin compatibility alignment
• Sensor Category: Both are classified as Motion Sensors within the same product family
• Functional Superset: The ICM-20948 provides accelerometer functionality alongside gyroscope and magnetometer capabilities, delivering equivalent or enhanced sensor output compared to the MPU-9255
• Active Product Status: The ICM-20948 maintains active production status, ensuring long-term availability and supply chain reliability
• Interface Compatibility: Both components support standard industrial communication protocols (I2C/SPI), enabling straightforward integration into existing system architectures

Parameter Comparison

Engineering Selection Recommendations

For New Designs and Long-Term Supply Requirements: The ICM-20948 is the appropriate selection. This component carries active product status from TDK InvenSense, ensuring sustained manufacturing support, documented supply forecasts, and compliance with current regulatory standards (ROHS3 Compliant, REACH Unaffected). The improved Moisture Sensitivity Level (MSL 1 vs. MSL 3) provides superior reliability in manufacturing and field deployment environments.

For Existing Inventory Management: The MPU-9255 remains suitable for applications where existing stock is available and product lifecycle timelines permit use of obsolete components. However, transition planning to the ICM-20948 is recommended to mitigate supply chain risk.

Compliance Considerations: The ICM-20948 meets current environmental and trade compliance requirements (ROHS3, REACH, ECCN 7A994), whereas the MPU-9255 carries an obsolete ECCN designation. Organizations subject to regulatory compliance audits should prioritize the active substitute.

Frequently Asked Questions (FAQ)

Q: Can the ICM-20948 directly replace the MPU-9255 in existing circuit designs?

A: The ICM-20948 provides accelerometer functionality equivalent to the MPU-9255 and is manufactured by the same supplier. However, physical package differences (24-TFQFN vs. unspecified MPU-9255 package) and enhanced sensor capabilities (9-axis vs. accelerometer-only) require PCB layout verification and firmware validation before deployment. Communication protocol compatibility (I2C/SPI) supports integration into existing system architectures.

Q: What is the significance of the Moisture Sensitivity Level (MSL) difference?

A: The ICM-20948 carries MSL 1 (Unlimited), indicating superior moisture resistance compared to the MPU-9255 (MSL 3, 168 Hours). MSL ratings define maximum exposure to moisture during manufacturing and storage. Lower MSL values reduce risk of component degradation during assembly processes and extended warehouse storage, particularly in humid environments.

Q: Why is the MPU-9255 classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production and removed the component from active product lines. This classification reflects natural product lifecycle progression as newer designs with enhanced capabilities (such as the ICM-20948) supersede earlier generations.

Q: Are there inventory or lead time advantages to selecting the ICM-20948?

A: Yes. The ICM-20948 maintains 5540 Pcs in current inventory compared to 878 Pcs for the MPU-9255. Active product status ensures predictable lead times and restocking availability, whereas obsolete components depend on remaining distributor stock.

Q: What packaging format is the ICM-20948 supplied in?

A: The ICM-20948 is available in Cut Tape (CT) and Digi-Reel® packaging formats in a 24-QFN (3x3) surface mount configuration. This standard packaging supports automated assembly processes and is compatible with modern manufacturing equipment.