IR2153STR Half-Bridge Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IR2153STR is a half-bridge gate driver IC manufactured by Infineon Technologies, designed for driving N-channel MOSFETs in synchronous half-bridge configurations. This device features an RC input circuit, 600V maximum bootstrap voltage capability, and operates across the industrial temperature range of -40°C to 125°C. The IR2153STR is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new production alternatives.

Substiute Parts

IR2153STR

Infineon TechnologiesIn Stock: 15432IR2153STR Datasheet

Current PartRFQ

IR2153STRPBF

Infineon TechnologiesIn Stock: 25438IR2153STRPBF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IR2153STR is determined by strict equivalence across the following critical parameters:

• Driven Configuration & Channel Type: Half-bridge synchronous topology with 2 N-channel MOSFET drivers
• Electrical Specifications: Supply voltage range 10V ~ 15.6V, 600V bootstrap voltage, RC input circuit topology
• Timing Characteristics: Rise/fall times of 80ns and 45ns respectively
• Thermal Range: -40°C to 125°C operating temperature
• Package Compatibility: 8-SOIC surface mount package with 0.154" (3.90mm) width

The IR2153STRPBF qualifies as a direct substitute based on identical electrical and mechanical specifications. The primary distinction lies in product status classification and compliance certifications rather than functional parameters.

Parameter Comparison

Engineering Selection Recommendations

The IR2153STRPBF serves as the functional equivalent to the obsolete IR2153STR, with identical electrical and mechanical specifications across all critical parameters. Selection between these parts should be based on the following criteria:

For Legacy System Support: The IR2153STR remains suitable for replacement applications where existing inventory or design documentation specifies this exact part number, provided RoHS non-compliance is acceptable for the application.

For New Production: The IR2153STRPBF is the appropriate selection due to ROHS3 compliance certification. This variant meets modern regulatory requirements while maintaining full electrical and thermal compatibility with the original design.

Compliance Considerations: Applications subject to RoHS3 regulations or REACH compliance requirements must use IR2153STRPBF. The moisture sensitivity level difference (MSL 1 versus MSL 2) reflects different storage and handling protocols but does not affect functional performance in deployed systems.

Frequently Asked Questions (FAQ)

Q: Can IR2153STRPBF be used as a direct replacement for IR2153STR in existing designs?

A: Yes. Both parts are electrically and mechanically identical across all functional parameters including supply voltage, bootstrap voltage, timing characteristics, and package specifications. The primary differences are product status and compliance certifications, not performance.

Q: What is the significance of the RoHS compliance difference?

A: IR2153STR is RoHS non-compliant, while IR2153STRPBF is ROHS3 compliant. For applications subject to RoHS3 regulations or customer requirements, IR2153STRPBF must be used. For legacy systems without such constraints, either part functions identically.

Q: Does the MSL (Moisture Sensitivity Level) difference affect circuit performance?

A: No. MSL ratings specify storage and handling requirements, not functional performance. MSL 1 (IR2153STR) allows unlimited shelf life, while MSL 2 (IR2153STRPBF) requires controlled storage for one year. Both parts perform identically once soldered into the circuit.

Q: Are there any package or pinout differences between these parts?

A: No. Both parts use the identical 8-SOIC package with 0.154" (3.90mm) width. Pinout and PCB footprint compatibility is complete.

Q: Why is IR2153STR classified as obsolete?

A: Obsolescence reflects Infineon's product lifecycle management. IR2153STRPBF represents the current production variant with updated compliance certifications. For new designs, IR2153STRPBF should be specified.