IXDN509PI Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IXDN509PI is a low-side gate driver IC manufactured by IXYS, designed for driving IGBT, N-Channel, and P-Channel MOSFET devices in power management applications. This non-inverting 8-DIP through-hole component operates across a supply voltage range of 4.5V to 30V with peak output current capability of 9A source and sink.

The IXDN509PI is classified as obsolete. Identifying suitable substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production requirements for applications utilizing this gate driver topology.

Substiute Parts

IXDN509PI

IXYSIn Stock: 741IXDN509PI Datasheet

Current PartRFQ

IXDN609PI

IXYS Integrated Circuits DivisionIn Stock: 8737IXDN609PI Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IXDN509PI is determined by strict alignment of 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 (must match)
• Input Type: Non-Inverting (must match)
• Mounting Type: Through Hole (must match)
• Package / Case: 8-DIP (0.300", 7.62mm) (must match)
• Operating Temperature Range: -55°C ~ 150°C (TJ) (must match)

Allowable Parameter Variations:

• Voltage - Supply: May be equal to or exceed the original specification (4.5V ~ 30V minimum)
• Logic Voltage - VIL, VIH: May be equal to or exceed the original specification (0.8V, 2.4V minimum)
• Current - Peak Output (Source, Sink): Must be equal to or exceed 9A, 9A
• Rise / Fall Time (Typ): May be equal to or faster than original (25ns, 23ns maximum)

The IXDN609PI meets all mandatory compatibility criteria and satisfies all allowable parameter variations, qualifying it as a direct substitute for the IXDN509PI.

Parameter Comparison

Engineering Selection Recommendations

The IXDN609PI is a qualified substitute for the IXDN509PI based on the following engineering factors:

Product Status: The IXDN609PI maintains active product status with IXYS Integrated Circuits Division, ensuring ongoing availability and manufacturing support. The IXDN509PI is obsolete, making the IXDN609PI the appropriate alternative for new designs and production continuity.

Compliance and Certifications: The IXDN609PI is RoHS3 compliant, providing enhanced environmental compliance compared to the IXDN509PI. Both parts maintain REACH Unaffected status and EAR99 export classification, with identical HTSUS coding (8542.39.0001).

Performance Enhancement: The IXDN609PI delivers improved electrical performance through extended supply voltage range (4.5V ~ 35V versus 4.5V ~ 30V), higher logic input threshold (3V versus 2.4V), and faster switching characteristics (22ns/15ns rise/fall time versus 25ns/23ns). These enhancements provide design margin and improved switching efficiency without requiring circuit modifications.

Pin-Compatible Replacement: Both devices utilize identical 8-DIP through-hole packaging with matching pinout, enabling direct socket substitution without PCB redesign.

Frequently Asked Questions (FAQ)

Q: Can the IXDN609PI be used as a direct replacement for the IXDN509PI in existing designs?

A: Yes. The IXDN609PI is pin-compatible and functionally equivalent to the IXDN509PI. All mandatory electrical and mechanical parameters align, and the IXDN609PI exceeds the original specification in supply voltage range, logic thresholds, and switching speed. No circuit modifications are required.

Q: What are the key differences between the IXDN509PI and IXDN609PI?

A: The primary differences are product status (IXDN609PI is active versus IXDN509PI obsolete), supply voltage range (35V maximum versus 30V), logic input threshold (3V versus 2.4V), and switching speed (22ns/15ns versus 25ns/23ns). The IXDN609PI also carries RoHS3 compliance certification.

Q: Are there any circuit design considerations when substituting the IXDN609PI for the IXDN509PI?

A: No circuit design changes are necessary. The IXDN609PI's enhanced specifications (higher voltage rating, faster switching, higher logic threshold) are backward-compatible with designs specified for the IXDN509PI. The extended operating margins may improve overall system performance.

Q: What is the packaging difference between these two parts?

A: Both parts use identical 8-DIP (0.300", 7.62mm) through-hole packaging. The IXDN509PI is supplied in standard packaging, while the IXDN609PI is supplied in tube packaging. Both are suitable for through-hole PCB assembly without modification.

Q: Is the IXDN609PI available in the same quantities as the IXDN509PI?

A: The IXDN609PI maintains significantly higher inventory availability (8653 pieces in stock) compared to the IXDN509PI (663 pieces), reflecting its active product status. This ensures reliable supply for production requirements.

Q: Do both parts meet the same environmental and compliance standards?

A: Both parts maintain identical Moisture Sensitivity Level (MSL 1 - Unlimited), REACH Unaffected status, and EAR99 export classification. The IXDN609PI additionally carries RoHS3 compliance certification, providing enhanced environmental compliance.