IXDN509SIAT/R Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IXDN509SIAT/R 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 single-channel driver operates from a 4.5V to 30V supply and delivers 9A peak output current in both source and sink configurations. The device is packaged in an 8-SOIC surface mount package with a maximum junction temperature rating of 150°C.

The IXDN509SIAT/R is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications utilizing this gate driver topology.

Substiute Parts

IXDN509SIAT/R

IXYSIn Stock: 831IXDN509SIAT/R Datasheet

Current PartRFQ

IXDD609SIA

IXYS Integrated Circuits DivisionIn Stock: 3258IXDD609SIA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IXDN509SIAT/R are identified based on strict electrical and mechanical compatibility criteria. The following parameters define acceptable substitution:

Critical Substitution Parameters:

• Driven Configuration: Low-Side (must match)
• Channel Type: Single (must match)
• Gate Type: IGBT, N-Channel, P-Channel MOSFET (must match)
• Input Type: Non-Inverting (must match)
• Package / Case: 8-SOIC (must match)
• Current - Peak Output (Source, Sink): 9A minimum (must meet or exceed)
• Voltage - Supply: Must encompass or exceed the 4.5V ~ 30V range
• Operating Temperature: Must support -55°C ~ 150°C (TJ) range

The IXDD609SIA meets all critical substitution criteria. It maintains identical driven configuration, channel type, gate type, input type, and package specifications. The IXDD609SIA provides enhanced electrical performance with an extended supply voltage range (4.5V ~ 35V), improved logic voltage thresholds, and faster rise/fall times, while maintaining full backward compatibility with the IXDN509SIAT/R footprint and functional requirements.

Parameter Comparison

Engineering Selection Recommendations

The IXDD609SIA is the qualified substitute for the obsolete IXDN509SIAT/R. Selection is based on the following engineering criteria:

Product Status & Availability: The IXDN509SIAT/R is obsolete, while the IXDD609SIA is active and maintains 3210 units in current inventory, ensuring long-term supply chain continuity.

Compliance & Certifications: Both devices share identical REACH status (REACH Unaffected), ECCN classification (EAR99), and HTSUS code (8542.39.0001). The IXDD609SIA additionally carries RoHS3 compliance certification, meeting current regulatory requirements for new designs and production.

Electrical Compatibility: The IXDD609SIA maintains full backward compatibility with the IXDN509SIAT/R across all critical parameters: identical driven configuration, channel type, gate type, input type, peak output current, and operating temperature range. The extended supply voltage range (4.5V ~ 35V versus 4.5V ~ 30V) and improved logic voltage thresholds provide enhanced operational margin without requiring circuit modifications.

Performance Enhancement: The IXDD609SIA delivers faster switching performance with reduced rise and fall times (22ns/15ns versus 25ns/23ns), contributing to improved efficiency in gate drive applications.

Frequently Asked Questions (FAQ)

Q: Can the IXDD609SIA directly replace the IXDN509SIAT/R without circuit modifications?

A: Yes. The IXDD609SIA is a direct pin-compatible substitute with identical package, pinout, and functional specifications. No circuit modifications are required for substitution.

Q: What are the key differences between these two gate drivers?

A: The primary differences are product status and performance characteristics. The IXDD609SIA is active with current inventory availability, while the IXDN509SIAT/R is obsolete. The IXDD609SIA provides an extended supply voltage range (35V maximum versus 30V), higher logic input threshold (3V VIH versus 2.4V), and faster switching times. Both devices maintain identical output current capability and operating temperature range.

Q: Are there any packaging differences between the IXDN509SIAT/R and IXDD609SIA?

A: Both devices use the 8-SOIC surface mount package with identical 0.154" (3.90mm) width. The IXDD609SIA is supplied in tube packaging, while the IXDN509SIAT/R packaging specification was not provided. Both maintain MSL 1 (Unlimited) moisture sensitivity rating.

Q: Does the IXDD609SIA meet current regulatory requirements?

A: Yes. The IXDD609SIA carries RoHS3 compliance certification and maintains REACH Unaffected status, meeting current regulatory requirements for electronic components in most jurisdictions.

Q: What is the impact of the faster rise/fall times in the IXDD609SIA?

A: The reduced rise and fall times (22ns/15ns versus 25ns/23ns) result in faster gate switching transitions. This improves switching efficiency and reduces switching losses in MOSFET and IGBT applications, provided the driven device and circuit design support these faster transitions.

Q: Can the IXDD609SIA operate at the full 35V supply voltage in all applications?

A: The IXDD609SIA is rated for 4.5V ~ 35V supply operation. Applications originally designed for the IXDN509SIAT/R at 30V maximum will operate within the IXDD609SIA's rated range. Applications requiring operation above 30V benefit from the extended voltage rating of the IXDD609SIA.