LM5080MM/NOPB Equivalent & Substitute Parts

Part Overview

The LM5080MM/NOPB is a Power Management Integrated Circuit (PMIC) controller designed for load sharing applications in power supply systems. Manufactured by Texas Instruments, this device operates as a load share controller in an 8-VSSOP surface mount package. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations where this controller functionality is required.

Substiute Parts

LM5080MM/NOPB

Texas InstrumentsIn Stock: 5010LM5080MM/NOPB Datasheet

Current PartRFQ

L6615D013TR

STMicroelectronicsIn Stock: 3340L6615D013TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LM5080MM/NOPB is determined by the following critical parameters:

Functional Category: Both the main part and substitute must operate as Power Management (PMIC) controllers for power supply applications.

Supply Voltage Range: The substitute must accommodate the operating voltage requirements. The LM5080MM/NOPB operates from 3V to 14V. The substitute part must support this voltage envelope or provide a compatible range.

Package Compatibility: Surface mount packages with 8-pin configurations are required. The LM5080MM/NOPB uses 8-TSSOP/8-MSOP packaging. Substitutes in 8-SOIC or equivalent 8-pin surface mount packages are acceptable where pin assignments align with controller functionality.

Operating Temperature Range: The substitute must support the specified temperature range of -40°C to 125°C or a range that encompasses this specification.

Compliance Standards: RoHS3 compliance and MSL rating of 1 are required for equivalent substitution.

The L6615D013TR meets these substitution criteria as an active, functionally equivalent PMIC controller in an 8-pin surface mount package with compatible electrical specifications.

Parameter Comparison

Engineering Selection Recommendations

The L6615D013TR is the manufacturer-recommended substitute for the LM5080MM/NOPB. Selection of this substitute is supported by the following factors:

Product Status: The LM5080MM/NOPB is obsolete, while the L6615D013TR is active and available in production quantities (3318 Pcs in stock). This ensures long-term supply chain continuity.

Compliance Alignment: Both parts maintain ROHS3 compliance and MSL rating of 1, ensuring equivalent environmental and handling standards.

Electrical Compatibility: The L6615D013TR operates within an extended voltage range (2.7V ~ 22V) that encompasses the LM5080MM/NOPB specification (3V ~ 14V). Supply current specifications (3.7mA vs. 5mA) are within acceptable operational margins for PMIC controller applications.

Package Consideration: The L6615D013TR uses an 8-SOIC package (0.154", 3.90mm Width) compared to the 8-TSSOP/8-MSOP package (0.118", 3.00mm Width) of the original part. PCB layout modifications are required to accommodate the different package footprint.

Temperature Range: The L6615D013TR operates to -40°C ~ 85°C, which covers the lower portion of the LM5080MM/NOPB range. Applications requiring operation above 85°C require evaluation against specific system requirements.

Frequently Asked Questions (FAQ)

Q: Can the L6615D013TR be used as a direct pin-for-pin replacement?

A: The L6615D013TR is functionally equivalent but not a direct pin-for-pin replacement. While both are 8-pin PMIC controllers, the package types differ (8-SOIC vs. 8-TSSOP/8-MSOP). PCB layout and footprint modifications are necessary. Pin assignment verification against datasheets is required before implementation.

Q: What are the key differences in electrical specifications?

A: The L6615D013TR operates across a wider supply voltage range (2.7V ~ 22V vs. 3V ~ 14V) and has slightly higher supply current (5mA vs. 3.7mA). The operating temperature range of the substitute extends to 85°C maximum, compared to 125°C for the original part. These differences are within acceptable parameters for most power supply controller applications.

Q: Why is the LM5080MM/NOPB classified as obsolete?

A: Obsolescence indicates the part is no longer manufactured or supported by Texas Instruments. The L6615D013TR, as an active product from STMicroelectronics, provides equivalent functionality with ongoing availability and manufacturer support.

Q: Are there any compliance or certification concerns with substitution?

A: Both parts maintain ROHS3 compliance and identical MSL ratings. No compliance barriers exist for substitution. However, system-level certifications or qualifications specific to the original part may require re-evaluation with the substitute component.

Q: What package considerations should be addressed during substitution?

A: The L6615D013TR uses an 8-SOIC package with a 3.90mm width, while the LM5080MM/NOPB uses 8-TSSOP/8-MSOP with a 3.00mm width. This requires new PCB footprint design, updated assembly drawings, and potential changes to board layout. Thermal management characteristics may also differ due to package geometry variations.