IRS2304SPBF Equivalent & Substitute Parts

Part Overview

The IRS2304SPBF is a half-bridge gate driver IC manufactured by Infineon Technologies, designed for driving IGBT and N-Channel MOSFET configurations in power management applications. This device operates with a supply voltage range of 10V to 20V and features independent channel control with non-inverting input logic. The IRS2304SPBF is classified as "Not For New Designs," indicating it has reached end-of-life status. Finding equivalent substitute parts is necessary to maintain design continuity and ensure component availability for ongoing production and maintenance requirements.

Substiute Parts

IRS2304SPBF

Infineon TechnologiesIn Stock: 1913IRS2304SPBF Datasheet

Current PartRFQ

FAN73833MX

onsemiIn Stock: 1445FAN73833MX Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRS2304SPBF is determined by the following critical parameters:

• Driven Configuration & Channel Type: Must be half-bridge with independent channels
• Gate Type Compatibility: Must support IGBT and N-Channel MOSFET driving
• Supply Voltage Range: Substitute must operate within or encompass the 10V to 20V range
• Peak Output Current: Substitute source and sink currents must meet or exceed 290mA and 600mA respectively
• Bootstrap Voltage Rating: Must maintain 600V maximum high-side voltage capability
• Package Compatibility: 8-SOIC package with identical 0.154" (3.90mm) width for PCB layout compatibility
• Operating Temperature Range: Must support -40°C to 150°C junction temperature range
• Compliance Standards: RoHS3 compliance required for regulatory alignment

The FAN73833MX from onsemi meets all substitution criteria and is classified as an active product, providing long-term availability and design continuity.

Parameter Comparison

Engineering Selection Recommendations

The FAN73833MX is the qualified substitute for the IRS2304SPBF based on the following engineering criteria:

Product Status & Availability: The FAN73833MX maintains active product status with manufacturer support, whereas the IRS2304SPBF is designated "Not For New Designs." This ensures long-term component availability and technical support for production environments.

Compliance & Certifications: Both devices maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for industrial and commercial applications. The FAN73833MX offers improved moisture sensitivity level (MSL 1, Unlimited) compared to the IRS2304SPBF (MSL 2, 1 Year), reducing storage and handling constraints.

Electrical Performance: The FAN73833MX exceeds the output current specifications of the IRS2304SPBF (350mA source vs. 290mA; 650mA sink vs. 600mA) while maintaining identical bootstrap voltage and operating temperature ranges. The improved switching characteristics (50ns/30ns rise/fall time vs. 70ns/35ns) provide enhanced performance margins.

Package & PCB Compatibility: Identical 8-SOIC packaging ensures direct PCB layout compatibility without redesign requirements.

Frequently Asked Questions (FAQ)

Q: Can the FAN73833MX be used as a direct replacement for the IRS2304SPBF without PCB modifications?

A: Yes. Both devices use identical 8-SOIC packaging with matching pin configurations and electrical interfaces. No PCB layout changes are required for substitution.

Q: What is the minimum supply voltage difference between these devices?

A: The IRS2304SPBF operates from 10V minimum, while the FAN73833MX requires 11V minimum. Designs operating below 11V supply voltage cannot use the FAN73833MX as a substitute.

Q: Does the FAN73833MX provide better performance than the IRS2304SPBF?

A: The FAN73833MX delivers improved switching speed (50ns/30ns vs. 70ns/35ns rise/fall time) and higher peak output currents (350mA/650mA vs. 290mA/600mA), providing enhanced performance margins. These improvements are compatible with existing circuit designs.

Q: Are there any logic voltage threshold differences that affect circuit design?

A: The FAN73833MX has slightly higher logic thresholds (VIL 1.2V vs. 0.7V; VIH 2.5V vs. 2.3V). Both remain compatible with standard 3.3V and 5V logic signal levels used in gate driver applications.

Q: What is the moisture sensitivity level difference, and does it matter?

A: The IRS2304SPBF has MSL 2 (1 Year shelf life), while the FAN73833MX has MSL 1 (Unlimited shelf life). The FAN73833MX offers superior storage stability and reduced handling constraints in manufacturing environments.

Q: Are both devices suitable for high-temperature applications?

A: Yes. Both devices support identical operating temperature ranges of -40°C to 150°C junction temperature, making them suitable for industrial and automotive thermal environments.