IXDD408YI Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IXDD408YI is a low-side gate driver IC manufactured by IXYS, designed for driving IGBT, N-Channel, and P-Channel MOSFET devices. This non-inverting TO-263-5 package device operates with a supply voltage range of 4.5V to 25V and delivers peak output currents of 8A (source and sink). The IXDD408YI is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity. Equivalent parts must maintain functional compatibility across driven configuration, channel type, gate type support, and package specifications while accommodating the electrical performance requirements of the application.

Substiute Parts

IXDD408YI

IXYSIn Stock: 1213IXDD408YI Datasheet

Current PartRFQ

IXDD609YI

IXYS Integrated Circuits DivisionIn Stock: 1692IXDD609YI Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IXDD408YI is determined by strict equivalence across the following critical parameters:

Mandatory Compatibility Criteria:

• Driven Configuration: Low-Side (must match)
• Channel Type: Single (must match)
• Number of Drivers: 1 (must match)
• Gate Type: IGBT, N-Channel, P-Channel MOSFET support (must match)
• Input Type: Non-Inverting (must match)
• Package / Case: TO-263-6, D2PAK (5 Leads + Tab), TO-263BA (must match)
• Mounting Type: Surface Mount (must match)

Allowable Parameter Variations for Substitution:

• Voltage - Supply: May exceed the original 4.5V ~ 25V range (higher supply voltage capability is acceptable)
• Current - Peak Output: May exceed the original 8A specification (higher output current capability is acceptable)
• Rise / Fall Time: May differ from original 14ns / 15ns (timing variations are acceptable within application requirements)
• Operating Temperature: May exceed the original -40°C ~ 150°C range (wider temperature range is acceptable)
• Moisture Sensitivity Level: May differ from original MSL 1 (alternative MSL ratings are acceptable)

The IXDD609YI qualifies as a direct substitute based on full alignment with all mandatory compatibility criteria and acceptable variations in electrical performance parameters.

Parameter Comparison

Engineering Selection Recommendations

The IXDD609YI is the qualified substitute for the obsolete IXDD408YI based on the following engineering factors:

Product Status Advantage: The IXDD609YI maintains active production status with IXYS Integrated Circuits Division, ensuring long-term availability and supply chain continuity compared to the obsolete IXDD408YI.

Compliance Enhancement: The IXDD609YI achieves ROHS3 compliance, meeting current environmental and regulatory requirements for electronic component procurement and manufacturing.

Electrical Performance: The IXDD609YI provides enhanced electrical specifications including extended supply voltage range (4.5V ~ 35V versus 4.5V ~ 25V), increased peak output current capability (9A versus 8A), and expanded operating temperature range (-55°C ~ 150°C versus -40°C ~ 150°C). These enhancements ensure compatibility with the original application requirements while providing design margin.

Package and Functional Equivalence: Both devices share identical package specifications (TO-263-6, D2PAK with 5 Leads + Tab), driven configuration (low-side), channel type (single), gate type support (IGBT, N-Channel, P-Channel MOSFET), and input type (non-inverting), ensuring direct mechanical and functional compatibility.

Moisture Sensitivity Consideration: The IXDD609YI carries MSL 3 (168 Hours) rating compared to MSL 1 (Unlimited) for the IXDD408YI. This requires adherence to controlled storage and handling procedures during component storage and assembly operations.

Frequently Asked Questions (FAQ)

Q: Can the IXDD609YI directly replace the IXDD408YI in existing designs?

A: Yes. The IXDD609YI is functionally and mechanically equivalent to the IXDD408YI. Both devices share identical driven configuration (low-side), channel type (single), gate type support (IGBT, N-Channel, P-Channel MOSFET), input type (non-inverting), and package specifications (TO-263-6, D2PAK). No circuit modifications are required for substitution.

Q: What are the key differences between these two parts?

A: The IXDD609YI provides enhanced electrical specifications: supply voltage range extends to 35V (versus 25V), peak output current increases to 9A (versus 8A), and operating temperature range expands to -55°C (versus -40°C). The IXDD609YI also maintains active production status and achieves ROHS3 compliance. Rise time is longer at 22ns versus 14ns. The IXDD609YI carries MSL 3 rating requiring controlled storage.

Q: Does the longer rise time of the IXDD609YI affect circuit performance?

A: Rise time differences must be evaluated within the context of the specific application. The IXDD609YI rise time of 22ns (versus 14ns for IXDD408YI) may impact switching speed and EMI characteristics. Application-specific analysis is necessary to determine if this timing variation is acceptable for the intended gate drive function.

Q: What storage and handling requirements apply to the IXDD609YI?

A: The IXDD609YI carries MSL 3 (168 Hours) rating. This classification requires that components be stored in controlled humidity environments and limits the time interval between component removal from moisture-barrier packaging and assembly operations to 168 hours at specified temperature and humidity conditions. Refer to IPC-A-610 and component manufacturer guidelines for detailed moisture control procedures.

Q: Are there any supply voltage considerations when substituting the IXDD609YI?

A: The IXDD609YI supports supply voltage range of 4.5V to 35V, exceeding the original IXDD408YI specification of 4.5V to 25V. Existing designs operating within the original 4.5V to 25V range are fully compatible. Designs utilizing supply voltages between 25V and 35V may now operate within the IXDD609YI specification.

Q: Is the IXDD609YI RoHS compliant?

A: Yes. The IXDD609YI is ROHS3 compliant, meeting current environmental and regulatory requirements for electronic component manufacturing and procurement.