PS9552L2-AX Equivalent & Substitute Parts

Part Overview

The PS9552L2-AX is a 2.5A gate driver optical coupler manufactured by Renesas, designed for high-voltage isolation applications requiring 5000Vrms isolation rating. This component integrates optical coupling technology to provide galvanic isolation in gate drive circuits with a single channel configuration and 8-SMD surface mount packaging.

The PS9552L2-AX is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

PS9552L2-AX

RenesasIn Stock: 2554PS9552L2-AX Datasheet

Current PartRFQ

PS9531L2-AX

Renesas Electronics CorporationIn Stock: 908PS9531L2-AX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PS9552L2-AX is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

• Isolation voltage rating: 5000Vrms
• Number of channels: 1
• Peak output current: 2.5A
• Output supply voltage range: 15V ~ 30V
• Mounting type: Surface Mount
• Package configuration: 8-SMD, Gull Wing

Acceptable Parameter Variations: Substitute parts may exceed the following specifications without compromising functionality:

• Common Mode Transient Immunity (higher values acceptable)
• Propagation delay (lower values acceptable)
• Pulse width distortion (lower values acceptable)
• Rise/fall time (lower values acceptable)
• Operating temperature range (wider ranges acceptable)

The PS9531L2-AX meets all mandatory equivalence criteria and represents a direct functional substitute for the obsolete PS9552L2-AX.

Parameter Comparison

Engineering Selection Recommendations

PS9531L2-AX as Primary Substitute:

The PS9531L2-AX is the direct functional equivalent for the obsolete PS9552L2-AX. Selection of this substitute is based on the following engineering factors:

Product Status: The PS9531L2-AX is actively manufactured by Renesas, ensuring long-term availability and supply chain continuity compared to the obsolete PS9552L2-AX.

Electrical Equivalence: All critical electrical parameters match or exceed the PS9552L2-AX specification. The substitute provides improved performance characteristics including faster propagation delay (175ns versus 500ns), higher common mode transient immunity (50kV/µs versus 25kV/µs), and lower pulse width distortion (75ns versus 300ns).

Compliance Status: The PS9531L2-AX is ROHS3 compliant and REACH affected, meeting current regulatory requirements. The PS9552L2-AX is RoHS non-compliant, making the substitute the appropriate choice for new designs and production requiring compliance certification.

Thermal Performance: The PS9531L2-AX supports an extended operating temperature range of -40°C to 125°C, compared to -40°C to 100°C for the PS9552L2-AX, providing additional thermal margin for demanding applications.

Packaging and Mounting: Both components utilize identical 8-SMD, Gull Wing surface mount packaging, enabling direct board-level substitution without PCB redesign.

Certification: The PS9531L2-AX carries CSA, SEMKO, and UL approvals, providing recognized safety certifications for gate driver applications.

Frequently Asked Questions (FAQ)

Q: Can the PS9531L2-AX be used as a direct replacement for the PS9552L2-AX in existing designs?

A: Yes. The PS9531L2-AX is electrically and mechanically equivalent to the PS9552L2-AX. Both components share identical isolation voltage (5000Vrms), channel count (1), peak output current (2.5A), output supply voltage range (15V ~ 30V), and 8-SMD surface mount packaging. The substitute can be used in existing PCB layouts without modification.

Q: What are the performance improvements offered by the PS9531L2-AX?

A: The PS9531L2-AX provides superior performance across multiple parameters. Propagation delay is reduced from 500ns to 175ns, common mode transient immunity is increased from 25kV/µs to 50kV/µs, pulse width distortion is reduced from 300ns to 75ns, and rise/fall time is improved from 100ns to 40ns. Operating temperature range is extended from -40°C to 100°C to -40°C to 125°C.

Q: Are there packaging differences between the PS9552L2-AX and PS9531L2-AX?

A: No. Both components use identical 8-SMD, Gull Wing surface mount packaging. The main packaging difference is that the PS9552L2-AX is supplied in bulk, while the PS9531L2-AX is supplied in tube packaging. This does not affect electrical performance or board-level compatibility.

Q: What is the compliance status difference between these parts?

A: The PS9552L2-AX is RoHS non-compliant and REACH unaffected. The PS9531L2-AX is ROHS3 compliant and REACH affected. For applications requiring RoHS or REACH compliance, the PS9531L2-AX is the appropriate selection.

Q: Is the PS9531L2-AX suitable for high-temperature applications?

A: The PS9531L2-AX supports operating temperatures from -40°C to 125°C, providing a 25°C higher maximum temperature rating than the PS9552L2-AX (-40°C to 100°C). This extended range makes the substitute suitable for applications requiring higher thermal performance.

Q: Are there any electrical parameter trade-offs when substituting the PS9531L2-AX?

A: No trade-offs exist. The PS9531L2-AX meets or exceeds all electrical specifications of the PS9552L2-AX. The substitute provides improved performance without any reduction in critical parameters.

Q: What certifications does the PS9531L2-AX carry?

A: The PS9531L2-AX carries CSA, SEMKO, and UL approvals. The PS9552L2-AX carries BSI, CSA, DEMKO, FIMKO, NEMKO, SEMKO, and UL approvals. Both components meet recognized safety standards for gate driver applications.