IXDE504SIA Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IXDE504SIA is a low-side gate driver IC manufactured by IXYS, designed for driving IGBT and MOSFET devices in power management applications. This 8-SOIC surface mount device features independent dual-channel configuration with inverting input logic and 4A peak output current capability on both source and sink paths.

The IXDE504SIA is classified as obsolete product status. Identifying qualified substitute components is necessary to ensure design continuity and maintain supply chain reliability for applications currently utilizing this gate driver.

Substiute Parts

IXDE504SIA

IXYSIn Stock: 879IXDE504SIA Datasheet

Current PartRFQ

UCC27423D

Texas InstrumentsIn Stock: 2260UCC27423D Datasheet

SimilarRFQ

UCC27423DR

Texas InstrumentsIn Stock: 10169UCC27423DR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the IXDE504SIA is determined by the following critical parameters that must align across candidate parts:

Mandatory Matching Parameters:

• Driven Configuration: Low-Side
• Channel Type: Independent
• Number of Drivers: 2
• Input Type: Inverting
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Current - Peak Output (Source, Sink): 4A, 4A

Allowable Parameter Ranges for Substitution:

• Voltage - Supply: Must accommodate the 4.5V ~ 30V range of the original part
• Logic Voltage - VIL, VIH: May differ within acceptable gate drive logic thresholds
• Rise / Fall Time: May vary; faster switching times are acceptable
• Operating Temperature: May have narrower range if application requirements permit
• Gate Type: N-Channel and P-Channel MOSFET support is required; IGBT support is optional

The substitute parts UCC27423D and UCC27423DR from Texas Instruments meet these substitution criteria with compatible electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

UCC27423DR (Recommended Primary Substitute)

The UCC27423DR is the preferred substitute for the obsolete IXDE504SIA. This part maintains active product status with Texas Instruments, ensuring long-term availability and supply chain stability. The UCC27423DR is ROHS3 compliant and carries identical MSL rating. While the supply voltage range is narrower (4V ~ 15V versus 4.5V ~ 30V), this specification is suitable for applications operating within the UCC27423DR envelope. The part is available in Cut Tape and Digi-Reel packaging formats with 10,100 units in current inventory.

UCC27423D (Secondary Substitute)

The UCC27423D provides an alternative substitute option with identical electrical specifications to the UCC27423DR. This part carries Last Time Buy status, indicating limited future availability. The UCC27423D is ROHS3 compliant with 2,200 units in inventory. Selection of this variant should be reserved for applications where the Tube packaging format is preferred or where supply constraints on the UCC27423DR exist.

Design Considerations

Applications utilizing the IXDE504SIA at supply voltages exceeding 15V require design review. The reduced supply voltage range of the UCC27423 series necessitates verification that operating conditions remain within specification. The slower rise and fall times of the UCC27423 series (20ns and 15ns respectively, compared to 9ns and 8ns for the IXDE504SIA) may impact switching performance in high-frequency applications and should be evaluated against circuit requirements.

Frequently Asked Questions (FAQ)

Q: Can the UCC27423D or UCC27423DR directly replace the IXDE504SIA without PCB modifications?

A: Yes, both UCC27423 variants are pin-compatible and package-compatible with the IXDE504SIA. The 8-SOIC package dimensions are identical, and the functional pinout supports direct substitution. No PCB layout changes are required.

Q: What is the primary difference between UCC27423D and UCC27423DR?

A: Both parts are electrically identical. The difference is packaging format: UCC27423D is supplied in Tube packaging, while UCC27423DR is supplied in Cut Tape and Digi-Reel format. Selection depends on assembly process requirements and inventory management preferences.

Q: The IXDE504SIA operates at 30V supply voltage. Can I use the UCC27423 series which is rated to 15V?

A: The UCC27423 series maximum supply voltage is 15V. Applications requiring 30V supply voltage operation cannot use these substitutes. Alternative gate driver solutions rated for higher supply voltages must be evaluated.

Q: Are there any logic voltage threshold differences I should account for?

A: Yes. The IXDE504SIA has logic thresholds of VIL = 0.8V and VIH = 3V, while the UCC27423 series has VIL = 1V and VIH = 2V. These differences may affect input signal conditioning in designs with marginal logic level margins. Verify that control signal levels remain within the UCC27423 thresholds.

Q: What is the impact of the slower switching times in the UCC27423 series?

A: The UCC27423 series has rise and fall times of 20ns and 15ns respectively, compared to 9ns and 8ns for the IXDE504SIA. This results in slower gate drive transitions. For applications operating at high switching frequencies or requiring minimal switching losses, this performance difference should be evaluated against circuit specifications.

Q: Is the UCC27423DR suitable for high-temperature applications?

A: The UCC27423DR operating temperature range is -40°C to 125°C (TA), compared to -55°C to 150°C (TJ) for the IXDE504SIA. Applications requiring operation above 125°C ambient temperature or with junction temperatures exceeding 125°C cannot use the UCC27423 series.

Q: Why is the IXDE504SIA obsolete?

A: The IXDE504SIA is classified as obsolete by IXYS. The UCC27423 series from Texas Instruments represents the current-generation equivalent technology with active product support and ongoing availability.