IXDI504D1 Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IXDI504D1 is a low-side gate driver IC manufactured by IXYS, designed for driving IGBT and N-Channel/P-Channel MOSFET devices. This component operates with a supply voltage range of 4.5V to 30V and features dual independent channels with inverting input configuration. The product is currently obsolete, making equivalent and substitute parts necessary for ongoing system maintenance, redesigns, and production continuity.

Substiute Parts

IXDI504D1

IXYSIn Stock: 1056IXDI504D1 Datasheet

Current PartRFQ

IR4426SPBF

Infineon TechnologiesIn Stock: 2605IR4426SPBF Datasheet

SimilarRFQ

IR4426STRPBF

Infineon TechnologiesIn Stock: 20720IR4426STRPBF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the IXDI504D1 is determined by the following critical parameters:

• Driven Configuration: Low-Side operation required
• Channel Type: Independent channels
• Number of Drivers: 2 channels
• Gate Type Compatibility: IGBT and N-Channel MOSFET support
• Input Type: Inverting configuration
• Supply Voltage Range: Must accommodate the application's operating voltage
• Peak Output Current: Source and sink current capabilities
• Package Compatibility: Physical form factor and pin count considerations
• Operating Temperature Range: Must meet thermal requirements

The substitute parts identified (IR4426SPBF and IR4426STRPBF) maintain the core functional requirements of low-side gate driving with dual independent channels and inverting input logic. However, differences exist in supply voltage range, output current ratings, and package form factor that must be evaluated for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

IR4426STRPBF is the preferred substitute option due to its active product status, ensuring long-term availability and ongoing manufacturer support. Both IR4426 variants (SPBF and STRPBF) are ROHS3 compliant, meeting modern environmental and regulatory requirements.

IR4426SPBF remains a functional equivalent but carries obsolete product status, similar to the IXDI504D1. Selection of this part should be limited to applications where existing inventory is available and long-term supply is not a concern.

Key considerations for substitution:

• The IR4426 series operates within a narrower supply voltage range (6V ~ 20V) compared to the IXDI504D1 (4.5V ~ 30V). Applications requiring operation below 6V or above 20V cannot use these substitutes without circuit redesign.
• Peak output current is reduced in the IR4426 series (2.3A source, 3.3A sink) versus the IXDI504D1 (4A, 4A). Applications requiring higher gate drive current must evaluate alternative parts.
• Package form factor differs: IXDI504D1 uses 6-VDFN while IR4426 uses 8-SOIC, requiring PCB layout modifications.
• Operating temperature minimum is -40°C for IR4426 versus -55°C for IXDI504D1. Applications requiring operation below -40°C require alternative solutions.

Frequently Asked Questions (FAQ)

Q: Can IR4426STRPBF directly replace IXDI504D1 without circuit modifications?

A: Direct pin-for-pin replacement is not possible due to different package types (6-VDFN versus 8-SOIC). PCB layout redesign is required. Additionally, the narrower supply voltage range (6V ~ 20V) and reduced output current (2.3A/3.3A) must be evaluated against application requirements.

Q: What is the primary difference between IR4426SPBF and IR4426STRPBF?

A: Both parts are electrically identical with identical electrical specifications. The primary difference is product status: IR4426SPBF is obsolete while IR4426STRPBF is active. IR4426STRPBF is recommended for new designs and applications requiring long-term supply assurance.

Q: Are there applications where IXDI504D1 cannot be substituted with IR4426?

A: Yes. Applications requiring supply voltages below 6V or above 20V, peak output currents exceeding 2.3A (source) or 3.3A (sink), or operating temperatures below -40°C cannot use IR4426 substitutes. Alternative gate driver ICs must be evaluated for these requirements.

Q: What are the implications of the different MSL ratings?

A: IXDI504D1 has MSL 1 (unlimited shelf life), while IR4426 variants have MSL 2 (1-year shelf life). IR4426 components require more stringent moisture control during storage and handling. Proper storage conditions and handling procedures must be implemented to maintain component reliability.

Q: Does the difference in rise/fall time affect circuit performance?

A: The IR4426 series exhibits slower switching times (15ns rise, 10ns fall) compared to IXDI504D1 (9ns rise, 8ns fall). This may impact gate drive timing in high-frequency switching applications. Circuit simulation and testing are necessary to determine if performance degradation is acceptable for specific applications.