IXDF404SI-16 Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IXDF404SI-16 is a low-side gate driver IC manufactured by IXYS, designed to drive IGBT and MOSFET devices in power management applications. This 16-SOIC surface mount component features dual independent channels with inverting and non-inverting input configurations. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

IXDF404SI-16

IXYSIn Stock: 1156IXDF404SI-16 Datasheet

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MIC4425YWM

Microchip TechnologyIn Stock: 897MIC4425YWM Datasheet

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MIC4425YWM-TR

Microchip TechnologyIn Stock: 913MIC4425YWM-TR Datasheet

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MIC4425ZWM

Microchip TechnologyIn Stock: 5304MIC4425ZWM Datasheet

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MIC4425ZWM-TR

Microchip TechnologyIn Stock: 885MIC4425ZWM-TR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the IXDF404SI-16 is determined by the following critical parameters:

Mechanical Compatibility: All substitute parts must use the 16-SOIC package format (0.295", 7.50mm Width) for direct PCB footprint compatibility.

Functional Configuration: Substitute parts must provide low-side gate driver functionality with dual independent channels supporting both inverting and non-inverting input types.

Electrical Operating Range: The supply voltage range and peak output current capabilities define the substitution boundaries. The IXDF404SI-16 operates at 4.5V ~ 35V with 4A source and sink capability.

Gate Type Support: Substitute parts must support N-Channel and P-Channel MOSFET gate driving at minimum. IGBT support is an additional capability of the original part.

Switching Performance: Rise and fall times affect circuit performance in high-frequency applications and must be evaluated against application requirements.

Temperature Range: Operating temperature specifications must meet or exceed the application's thermal requirements.

The Microchip Technology MIC4425 series (MIC4425YWM, MIC4425YWM-TR, MIC4425ZWM, MIC4425ZWM-TR) meets the core mechanical and functional requirements as low-side gate drivers in 16-SOIC packaging with dual independent channels and inverting/non-inverting inputs. However, these parts operate at reduced supply voltage (4.5V ~ 18V) and lower peak output current (3A source/sink) compared to the original specification.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The IXDF404SI-16 is classified as obsolete, while all MIC4425 series alternatives are active products with ongoing manufacturer support and availability.

Compliance and Certifications: The MIC4425 series parts are ROHS3 compliant, whereas the IXDF404SI-16 compliance status is not specified. Both product families are REACH unaffected and classified under ECCN EAR99.

Supply Voltage Limitation: Applications requiring supply voltages above 18V cannot use MIC4425 series substitutes. The IXDF404SI-16 supports operation up to 35V supply voltage. For such applications, alternative gate driver solutions outside the MIC4425 family must be evaluated.

Output Current Capability: The MIC4425 series provides 3A peak output current compared to the IXDF404SI-16's 4A capability. Applications with marginal gate drive current requirements must account for this 25% reduction in source and sink current.

Switching Speed: The MIC4425 series exhibits slower switching characteristics (28ns rise time, 32ns fall time) compared to the IXDF404SI-16 (16ns rise time, 13ns fall time). High-frequency switching applications may experience performance degradation.

Temperature Range: MIC4425YWM and MIC4425YWM-TR support -40°C minimum operating temperature, while MIC4425ZWM and MIC4425ZWM-TR support 0°C minimum. The IXDF404SI-16 supports -55°C minimum. Applications requiring extended low-temperature operation below -40°C cannot use these substitutes.

Packaging Options: MIC4425 series are available in both tube and tape & reel packaging formats, providing flexibility for different procurement and assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can MIC4425 series parts directly replace IXDF404SI-16 in all applications?

A: Direct replacement is limited by three key factors: maximum supply voltage (18V vs. 35V), peak output current (3A vs. 4A), and minimum operating temperature (-40°C or 0°C vs. -55°C). Applications operating within these reduced specifications can use MIC4425 series as substitutes. Applications exceeding these limits require alternative solutions.

Q: What is the difference between MIC4425YWM and MIC4425ZWM variants?

A: The primary difference is the minimum operating temperature specification. MIC4425YWM operates from -40°C to 150°C, while MIC4425ZWM operates from 0°C to 150°C. Both variants are electrically identical in all other parameters.

Q: What is the difference between tube and tape & Reel (TR) packaging?

A: Tube packaging (MIC4425YWM, MIC4425ZWM) is suitable for manual handling and lower-volume applications. Tape & Reel packaging (MIC4425YWM-TR, MIC4425ZWM-TR) is designed for automated pick-and-place assembly equipment and higher-volume production. The electrical specifications are identical; packaging format selection depends on assembly process requirements.

Q: Are the MIC4425 series parts pin-compatible with IXDF404SI-16?

A: Yes. Both the IXDF404SI-16 and all MIC4425 series variants use the 16-SOIC package format with identical pin assignments for low-side gate driver functionality, enabling direct PCB footprint compatibility.

Q: How do the switching characteristics compare?

A: The IXDF404SI-16 provides faster switching with 16ns typical rise time and 13ns typical fall time. The MIC4425 series provides 28ns rise time and 32ns fall time. Applications sensitive to gate drive timing or operating at high switching frequencies should evaluate this performance difference against circuit requirements.

Q: Can IXDF404SI-16 be used in applications designed for MIC4425 series?

A: Yes. The IXDF404SI-16 exceeds MIC4425 specifications in supply voltage range (35V vs. 18V), peak output current (4A vs. 3A), switching speed, and minimum operating temperature (-55°C vs. -40°C or 0°C). It is a superset solution for any application within MIC4425 specifications.