IRS2608DSPBF Equivalent & Substitute Parts

Part Overview

The IRS2608DSPBF 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 supports a maximum bootstrap voltage of 600V, making it suitable for industrial power conversion circuits.

The IRS2608DSPBF is classified as obsolete. Due to its discontinued status, identifying functionally equivalent substitute parts is necessary for design continuity, system maintenance, and new production implementations where this topology remains relevant.

Substiute Parts

IRS2608DSPBF

Infineon TechnologiesIn Stock: 966IRS2608DSPBF Datasheet

Current PartRFQ

2EDL05N06PFXUMA1

Infineon TechnologiesIn Stock: 16972EDL05N06PFXUMA1 Datasheet

MFR RecommendedRFQ

L6398D

STMicroelectronicsIn Stock: 5364L6398D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IRS2608DSPBF are selected based on strict equivalence in the following critical parameters:

• Driven Configuration: Half-Bridge topology
• Number of Drivers: 2 independent channels
• Supply Voltage Range: 10V ~ 20V operation
• Bootstrap Voltage Rating: 600V maximum
• Package Type: 8-SOIC surface mount form factor
• Operating Temperature Range: -40°C ~ 150°C
• Gate Drive Capability: IGBT and MOSFET support

The identified substitutes maintain these core electrical and mechanical specifications, ensuring functional compatibility in half-bridge gate driver applications. Differences in output current ratings, rise/fall times, and logic voltage thresholds are secondary parameters that may affect performance characteristics but do not prevent substitution in applications where the main part specifications are met.

Parameter Comparison

Engineering Selection Recommendations

2EDL05N06PFXUMA1 (Infineon Technologies EiceDriver™ Series)

This substitute is an active product with current manufacturing support. It maintains identical supply voltage, bootstrap voltage, and operating temperature specifications. The 2EDL05N06PFXUMA1 offers improved switching performance with faster rise and fall times (48ns/24ns versus 150ns/50ns). However, it supports only non-inverting input configuration, whereas the original IRS2608DSPBF supports both inverting and non-inverting inputs. This part is ROHS3 compliant and carries a higher moisture sensitivity level (MSL 3). Selection of this substitute requires verification that the application circuit uses non-inverting input topology.

L6398D (STMicroelectronics)

This substitute is an active product with established supply chain availability. It maintains identical supply voltage, bootstrap voltage, and operating temperature specifications. The L6398D supports both inverting and non-inverting input configurations, matching the original IRS2608DSPBF input flexibility. Output current ratings exceed the original specification (290mA source, 430mA sink versus 200mA source, 350mA sink), providing enhanced drive capability. Rise and fall times (75ns/35ns) fall between the original and the 2EDL05N06PFXUMA1. This part is ROHS3 compliant and carries MSL 3 rating. The L6398D is suitable for direct substitution in applications requiring input configuration flexibility.

Both substitutes are REACH compliant and carry EAR99 export classification identical to the original part.

Frequently Asked Questions (FAQ)

Q: Can the 2EDL05N06PFXUMA1 replace the IRS2608DSPBF in all applications?

A: The 2EDL05N06PFXUMA1 maintains electrical and mechanical compatibility for half-bridge gate driver applications within the specified voltage and temperature ranges. However, this substitute supports only non-inverting input configuration. If your circuit requires inverting input capability, the 2EDL05N06PFXUMA1 is not suitable. The L6398D supports both input types and is the preferred substitute for applications requiring input configuration flexibility.

Q: What is the impact of different rise and fall times on substitution?

A: Rise and fall times affect switching speed and electromagnetic emissions. The 2EDL05N06PFXUMA1 has faster switching (48ns/24ns), while the L6398D has intermediate switching (75ns/35ns) compared to the original (150ns/50ns). Faster switching reduces switching losses but may increase EMI. Slower switching reduces EMI but increases switching losses. Selection depends on your circuit's thermal and EMI requirements. Both substitutes operate within acceptable ranges for standard half-bridge topologies.

Q: Are there package compatibility concerns?

A: All three parts use the 8-SOIC package with identical 0.154" (3.90mm) width. PCB footprints are compatible. However, verify pinout assignments in the respective datasheets, as internal signal routing may differ between manufacturers.

Q: What is the significance of MSL rating differences?

A: The original IRS2608DSPBF carries MSL 2 (1 Year), while both substitutes carry MSL 3 (168 Hours). MSL indicates moisture sensitivity during storage and handling. MSL 3 requires more stringent moisture control during manufacturing and assembly. If your production environment has established MSL 2 handling procedures, upgrading to MSL 3 components requires updated moisture management protocols.

Q: Which substitute should I select for new designs?

A: For new designs, the L6398D is recommended due to its input configuration flexibility (both inverting and non-inverting), higher output current capability, and active product status with established supply chain support. The 2EDL05N06PFXUMA1 is suitable only if your circuit design uses non-inverting input topology exclusively.