IXDN409PI Equivalent & Substitute Parts

Part Overview

The IXDN409PI is a low-side gate driver IC manufactured by IXYS, designed for driving IGBT and MOSFET gates in power management applications. This 8-DIP through-hole package device operates across a wide supply voltage range of 4.5V to 35V and delivers 9A peak output current for both sourcing and sinking operations.

The IXDN409PI is classified as obsolete. Identifying suitable substitute parts is essential for design continuity, procurement flexibility, and long-term system reliability when original inventory becomes unavailable.

Substiute Parts

IXDN409PI

IXYSIn Stock: 1269IXDN409PI Datasheet

Current PartRFQ

IXDN609PI

IXYS Integrated Circuits DivisionIn Stock: 8737IXDN609PI Datasheet

SimilarRFQ

MIC4420YN

Microchip TechnologyIn Stock: 1516MIC4420YN Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IXDN409PI are identified based on strict electrical and mechanical compatibility criteria. The following parameters define valid substitution:

• Driven Configuration: Must be Low-Side
• Channel Type: Must be Single
• Number of Drivers: Must be 1
• Input Type: Must be Non-Inverting
• Mounting Type: Must be Through Hole
• Package / Case: Must be 8-DIP (0.300", 7.62mm)
• Gate Type Compatibility: Must support IGBT and/or MOSFET gate driving
• Supply Voltage Range: Must encompass or be compatible with 4.5V ~ 35V operation
• Peak Output Current: Must meet or exceed 9A for both source and sink
• Operating Temperature Range: Must cover -55°C ~ 150°C or be suitable for the application's thermal requirements

Two substitute parts meet these criteria: the IXDN609PI (IXYS) and the MIC4420YN (Microchip Technology).

Parameter Comparison

Engineering Selection Recommendations

IXDN609PI is the primary substitute for the IXDN409PI. Both devices are manufactured by IXYS and share identical electrical specifications for supply voltage (4.5V ~ 35V), peak output current (9A source/sink), and operating temperature range (-55°C ~ 150°C). The IXDN609PI is currently in active production status, ensuring long-term availability. The IXDN609PI exhibits slightly slower rise and fall times (22ns and 15ns respectively versus 10ns for the original), which is acceptable for most low-side gate driving applications. The IXDN609PI is ROHS3 compliant, supporting modern environmental and regulatory requirements.

MIC4420YN is a secondary substitute suitable for applications where supply voltage does not exceed 18V and peak output current requirements do not exceed 6A. The MIC4420YN is manufactured by Microchip Technology and is in active production. This device is ROHS3 compliant. The MIC4420YN has a reduced supply voltage range (4.5V ~ 18V) and lower peak output current (6A source/sink) compared to the IXDN409PI. The MIC4420YN operates across a narrower low-temperature range (-40°C minimum versus -55°C for the original). Selection of the MIC4420YN requires verification that the application's voltage and current requirements fall within its specified limits.

Frequently Asked Questions (FAQ)

Q: Can the IXDN609PI directly replace the IXDN409PI in existing designs?

A: Yes. The IXDN609PI is pin-compatible and electrically compatible with the IXDN409PI. Both devices use the same 8-DIP package, have identical supply voltage ranges (4.5V ~ 35V), and deliver 9A peak output current. The IXDN609PI is the recommended direct replacement.

Q: What are the limitations of using the MIC4420YN as a substitute?

A: The MIC4420YN has a reduced supply voltage range (4.5V ~ 18V maximum) and lower peak output current (6A source/sink). Applications requiring supply voltages above 18V or peak currents above 6A cannot use the MIC4420YN. Additionally, the MIC4420YN does not support IGBT gate driving; it is limited to N-Channel and P-Channel MOSFETs. The minimum operating temperature is -40°C, which may not be suitable for applications requiring -55°C operation.

Q: Are all substitute parts available in the same packaging?

A: Yes. The IXDN409PI, IXDN609PI, and MIC4420YN are all available in 8-DIP (0.300", 7.62mm) through-hole packages. Pin-to-pin compatibility is maintained across all three devices.

Q: What is the difference in rise and fall times between the IXDN409PI and IXDN609PI?

A: The IXDN409PI has rise and fall times of 10ns each. The IXDN609PI has rise and fall times of 22ns and 15ns respectively. The IXDN609PI is slower, but this difference is typically acceptable in low-side gate driving applications where switching speed is not the primary constraint.

Q: Are the substitute parts RoHS compliant?

A: The IXDN609PI and MIC4420YN are both ROHS3 compliant. The IXDN409PI's RoHS status is not specified in the available data.

Q: Which substitute should I choose for a new design?

A: For new designs, the IXDN609PI is the recommended choice. It provides full electrical compatibility with the IXDN409PI, is in active production, and is ROHS3 compliant. The MIC4420YN should only be selected if design constraints limit supply voltage to 18V or below and peak output current to 6A or below.