MP100GN-Z Equivalent & Substitute Parts

Part Overview

The MP100GN-Z is an offline switching converter IC with inductorless topology, manufactured by Monolithic Power Systems Inc. in an 8-SOIC package. This device is classified as Not For New Designs, indicating it has reached end-of-life status. The part provides non-isolated power conversion with integrated current limiting, over-temperature, over-voltage, and short-circuit protection. Due to its discontinued design status, identifying functionally compatible alternatives is essential for ongoing system support and production continuity.

Substiute Parts

MP100GN-Z

Monolithic Power Systems Inc.In Stock: 16291MP100GN-Z Datasheet

Current PartRFQ

MP100LGN-Z

Monolithic Power Systems Inc.In Stock: 63952MP100LGN-Z Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MP100GN-Z is determined by the following critical parameters:

• Package Compatibility: Both parts must use 8-SOIC (0.154", 3.90mm Width) Exposed Pad to ensure PCB layout and thermal management compatibility.
• Topology: Inductorless topology is required to maintain circuit architecture equivalence.
• Output Isolation: Non-isolated configuration must be preserved for system-level compatibility.
• Mounting Type: Surface mount requirement ensures assembly process compatibility.
• Operating Temperature Range: -40°C ~ 125°C (TJ) establishes the thermal operating envelope.
• Manufacturer: Monolithic Power Systems Inc. ensures design and quality consistency.
• Base Product Number: MP100 series designation confirms functional family alignment.

The MP100LGN-Z meets all substitution criteria within the allowed parameter set. While the substitute part operates at a higher input voltage range (85V ~ 305V versus 8V ~ 30V) and includes internal switching capability, these differences represent functional enhancements rather than incompatibilities. Both parts share identical package geometry, topology, isolation characteristics, and thermal specifications.

Parameter Comparison

Engineering Selection Recommendations

The MP100LGN-Z is the designated substitute for the MP100GN-Z based on the following engineering criteria:

Product Status Alignment: The MP100GN-Z carries Not For New Designs status, making the Active-status MP100LGN-Z the appropriate long-term alternative for production continuity and future system development.

Regulatory Compliance: Both parts maintain identical ROHS3, REACH, and ECCN classifications, ensuring no regulatory barriers to substitution. Moisture sensitivity levels and handling requirements are equivalent.

Package and Assembly Compatibility: Identical 8-SOIC package geometry, exposed pad configuration, and surface-mount characteristics guarantee direct PCB compatibility without layout modifications.

Thermal and Environmental Specifications: Matching operating temperature ranges (-40°C ~ 125°C) and MSL ratings ensure equivalent reliability in target applications.

Functional Architecture: Both parts employ inductorless topology with non-isolated output and power-good control features, maintaining system-level functional equivalence.

Frequently Asked Questions (FAQ)

Q: Can MP100LGN-Z be used as a direct replacement for MP100GN-Z on existing PCBs?

A: Yes. Both parts use identical 8-SOIC package geometry with exposed pad configuration. No PCB layout modifications are required for physical substitution.

Q: What are the key differences between these parts?

A: The primary differences are input voltage range (MP100GN-Z: 8V ~ 30V; MP100LGN-Z: 85V ~ 305V), internal switching capability (MP100GN-Z: No; MP100LGN-Z: Yes), and product status (MP100GN-Z: Not For New Designs; MP100LGN-Z: Active). The MP100LGN-Z also specifies 700V breakdown voltage and includes over-load protection in addition to current limiting.

Q: Are there any thermal or environmental compatibility concerns?

A: No. Both parts share identical operating temperature ranges (-40°C ~ 125°C junction temperature) and moisture sensitivity levels (2A, 4 weeks). Thermal management requirements are equivalent.

Q: Does substitution require design validation?

A: Circuit-level validation is necessary to confirm that the MP100LGN-Z's higher input voltage range (85V ~ 305V) and internal switching characteristics are compatible with the target application's power supply architecture and control requirements.

Q: Are both parts available in the same packaging options?

A: MP100GN-Z is supplied in Tape & Reel (TR) format. MP100LGN-Z is available in Cut Tape (CT) and Digi-Reel® formats. Packaging format selection depends on procurement and assembly requirements.

Q: What is the regulatory status for both parts?

A: Both parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes. HTSUS classification is identical (8542.39.0001).