AUIRS2301STR Half-Bridge Gate Driver IC Equivalent & Substitute Parts

Part Overview

The AUIRS2301STR is a half-bridge gate driver IC manufactured by Infineon Technologies, designed to drive IGBT and N-Channel MOSFET configurations in power management applications. This device operates with a supply voltage range of 5V to 20V and features independent dual-channel architecture with a maximum bootstrap voltage of 600V.

The AUIRS2301STR carries a "Not For New Designs" product status, indicating that Infineon has discontinued active development and support for this component. This status necessitates identification of functionally equivalent alternatives for ongoing production requirements, maintenance applications, and new system designs requiring similar gate driver functionality.

Substiute Parts

AUIRS2301STR

Infineon TechnologiesIn Stock: 46062AUIRS2301STR Datasheet

Current PartRFQ

NCP5106ADR2G

onsemiIn Stock: 1580NCP5106ADR2G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AUIRS2301STR is determined by strict alignment with the following core electrical and mechanical parameters:

Critical Substitution Criteria:

• Driven configuration must be half-bridge with independent dual channels
• Gate type compatibility with IGBT and N-Channel MOSFET devices
• Supply voltage range must encompass or exceed the 5V to 20V requirement
• Bootstrap voltage rating must meet or exceed 600V maximum
• Package form factor must be 8-SOIC surface mount
• Output current capability (source and sink) must meet or exceed specified values

The NCP5106ADR2G manufactured by onsemi qualifies as a direct substitute based on these parameters. Both devices share identical half-bridge configuration, independent dual-channel architecture, compatible gate types, matching 8-SOIC package geometry, and equivalent 600V bootstrap voltage rating. The NCP5106ADR2G demonstrates enhanced electrical performance characteristics including higher peak output current (250mA source, 500mA sink versus 200mA source, 350mA sink) and faster switching times (85ns rise, 35ns fall versus 130ns rise, 50ns fall).

Parameter Comparison

Engineering Selection Recommendations

The NCP5106ADR2G represents the qualified substitute for AUIRS2301STR applications based on the following engineering factors:

Product Status Alignment: The NCP5106ADR2G maintains active product status with ongoing manufacturer support, whereas the AUIRS2301STR is designated "Not For New Designs." This distinction is critical for long-term supply chain reliability and technical support availability.

Compliance and Certification: Both devices maintain ROHS3 compliance and equivalent regulatory classification (EAR99, HTSUS 8542.39.0001). The NCP5106ADR2G demonstrates superior moisture handling with MSL 1 rating versus MSL 3, reducing handling and storage constraints.

Electrical Performance: The NCP5106ADR2G provides enhanced output current capability and faster switching characteristics, delivering improved performance margins in half-bridge gate driving applications. The supply voltage range of the NCP5106ADR2G (10V ~ 20V) covers the upper operating range of the AUIRS2301STR; applications requiring operation below 10V require verification of circuit design compatibility.

Package Compatibility: Identical 8-SOIC surface mount package geometry ensures direct PCB layout compatibility without redesign requirements.

Frequently Asked Questions (FAQ)

Q: Can the NCP5106ADR2G directly replace the AUIRS2301STR in existing designs?

A: The NCP5106ADR2G is mechanically and functionally compatible as a direct substitute. Both devices share identical half-bridge configuration, independent dual-channel architecture, 8-SOIC package form factor, and 600V bootstrap voltage rating. Verification is required for applications operating below 10V supply voltage, as the NCP5106ADR2G minimum supply specification is 10V versus 5V for the AUIRS2301STR.

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

A: Primary differences include product status (NCP5106ADR2G is active; AUIRS2301STR is not for new designs), output current capability (NCP5106ADR2G provides 250mA/500mA versus 200mA/350mA), switching speed (NCP5106ADR2G: 85ns/35ns versus 130ns/50ns), maximum operating temperature (NCP5106ADR2G: 125°C versus 150°C), and moisture sensitivity level (NCP5106ADR2G: MSL 1 versus MSL 3).

Q: Are there any supply voltage compatibility concerns?

A: The NCP5106ADR2G operates within the 10V to 20V supply range, which overlaps the upper portion of the AUIRS2301STR range (5V to 20V). Designs operating at supply voltages below 10V require circuit-level evaluation to determine compatibility or alternative component selection.

Q: Do both devices require identical PCB layout and thermal management?

A: Both devices utilize the same 8-SOIC package geometry, permitting identical PCB footprints and layout patterns. Thermal management requirements should be evaluated based on specific application current levels and switching frequencies, as the NCP5106ADR2G exhibits faster switching characteristics that may influence thermal behavior.

Q: What is the significance of the MSL rating difference?

A: The AUIRS2301STR carries MSL 3 (168-hour moisture sensitivity limit), requiring controlled storage and handling conditions. The NCP5106ADR2G carries MSL 1 (unlimited moisture sensitivity), eliminating moisture-related handling constraints and reducing storage complexity for manufacturing operations.