IR2238QPBF Motor Driver IC - Equivalent & Substitute Parts

Part Overview

The IR2238QPBF is a motor driver integrated circuit manufactured by Infineon Technologies, designed for AC and synchronous motor control applications. This device functions as a commutation controller with direction management capabilities, utilizing IGBT pre-driver technology in a half-bridge configuration. The part is classified as Last Time Buy, indicating end-of-life status and necessitating identification of suitable substitute components for ongoing production and maintenance requirements.

Substiute Parts

IR2238QPBF

Infineon TechnologiesIn Stock: 15864IR2238QPBF Datasheet

Current PartRFQ

6ED2230S12TXUMA1

Infineon TechnologiesIn Stock: 17366ED2230S12TXUMA1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IR2238QPBF is based on the following critical parameters that define functional equivalence:

Primary Substitution Criteria:

• Manufacturer: Infineon Technologies (same manufacturer ensures design continuity and support)
• Supply Voltage Compatibility: 10V ~ 20V range (encompasses the original 12.5V ~ 20V specification)
• Gate Driver Technology: IGBT and N-Channel MOSFET support
• RoHS3 Compliance: Regulatory alignment with original component
• MSL Rating: 3 (168 Hours) - identical moisture sensitivity classification
• Operating Temperature Range: Minimum -40°C ~ 125°C (extends original -20°C ~ 115°C range)

The identified substitute, 6ED2230S12TXUMA1, meets these criteria as a three-phase gate driver from Infineon Technologies with compatible voltage specifications and regulatory certifications.

Parameter Comparison

Engineering Selection Recommendations

Selection of the 6ED2230S12TXUMA1 as a substitute for the IR2238QPBF is supported by the following factors:

Regulatory Compliance: Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity in production environments.

Manufacturer Continuity: Both devices are manufactured by Infineon Technologies, providing consistent design philosophy, documentation standards, and supply chain reliability.

Voltage Specification Alignment: The substitute's 10V ~ 20V supply range encompasses the original component's 12.5V ~ 20V specification, ensuring compatibility with existing power supply designs.

Moisture Sensitivity Parity: Identical MSL ratings (3, 168 Hours) indicate equivalent handling and storage requirements, reducing process modification risk.

Extended Operating Temperature Range: The substitute's -40°C ~ 125°C range exceeds the original -20°C ~ 115°C specification, providing enhanced thermal margin for demanding applications.

Package Consideration: The substitute utilizes a 28-SOIC package versus the original 64-BQFP package. PCB layout redesign is required for implementation.

Frequently Asked Questions (FAQ)

Q: Can the 6ED2230S12TXUMA1 directly replace the IR2238QPBF without PCB modifications?

A: No. The substitute uses a 28-SOIC (24-lead) package compared to the original 64-BQFP package. PCB footprint redesign and signal routing modifications are necessary.

Q: Are the supply voltage specifications compatible?

A: Yes. The substitute's 10V ~ 20V range fully encompasses the original 12.5V ~ 20V specification, ensuring compatibility with existing power supply designs.

Q: What is the significance of the Last Time Buy status for the IR2238QPBF?

A: Last Time Buy indicates the manufacturer will no longer produce this component after a specified date. Identifying and qualifying substitute parts is essential for long-term product support and production continuity.

Q: Do both components have identical moisture sensitivity requirements?

A: Yes. Both components carry MSL rating 3 (168 Hours), requiring identical handling, storage, and reflow procedures.

Q: Are there regulatory compliance differences between the two parts?

A: No. Both components are ROHS3 compliant and REACH unaffected, maintaining regulatory alignment for EU and international markets.

Q: What design considerations apply when transitioning from IR2238QPBF to 6ED2230S12TXUMA1?

A: Primary considerations include package footprint redesign, signal pin mapping verification, thermal management assessment for the new package geometry, and functional validation of the three-phase driver configuration against the original half-bridge topology.