MP4032-1GS-Z Equivalent & Substitute Parts

Part Overview

The MP4032-1GS-Z is an LED driver IC manufactured by Monolithic Power Systems, designed for AC/DC offline switching applications with flyback topology and triac dimming capability. This single-output device delivers 1A output current and operates across a 10.3V to 27V supply range, making it suitable for lighting applications requiring offline power conversion. The part is currently active in production with full RoHS3 compliance and REACH unaffected status. Substitute parts are identified when equivalent functional performance can be achieved within the allowed electrical and mechanical parameters for LED driver ICs in this category.

Substiute Parts

MP4032-1GS-Z

Monolithic Power SystemsIn Stock: 43223MP4032-1GS-Z Datasheet

Current PartRFQ

LT3799IMSE#PBF

Analog Devices Inc.In Stock: 2589LT3799IMSE#PBF Datasheet

MFR RecommendedRFQ

TPS92411PDDA

Texas InstrumentsIn Stock: 2018TPS92411PDDA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MP4032-1GS-Z are qualified based on the following critical parameters:

• Functional Category: Power Management (PMIC) LED driver IC
• Converter Type: AC DC Offline Switcher
• Topology: Flyback
• Output Configuration: Single output
• Dimming Capability: Triac dimming support
• Application Domain: Lighting
• Compliance: RoHS3 compliant, REACH unaffected
• Mounting: Surface mount technology
• Operating Temperature Range: -40°C to 125°C or higher

The two identified substitute parts meet these core functional and compliance requirements while operating within the allowed parameter ranges for LED driver offline switcher applications.

Parameter Comparison

Engineering Selection Recommendations

All three parts—MP4032-1GS-Z, LT3799IMSE#PBF, and TPS92411PDDA—maintain active product status with full RoHS3 compliance and REACH unaffected designation. Selection between these parts is determined by specific application requirements and package constraints.

The MP4032-1GS-Z and TPS92411PDDA share identical package footprints (8-PowerSOIC, 0.154" width), enabling direct board-level substitution with minimal layout modification. The LT3799IMSE#PBF operates in a 16-TFSOP package with reduced width (0.118"), requiring PCB redesign for implementation.

The LT3799IMSE#PBF provides the lowest moisture sensitivity level (MSL 1, Unlimited shelf life) compared to the MP4032-1GS-Z and TPS92411PDDA (both MSL 2, 1 Year). The TPS92411PDDA supports the widest supply voltage range (7.5V to 94V) and highest operating temperature ceiling (150°C junction temperature).

Frequently Asked Questions (FAQ)

Q: Can the LT3799IMSE#PBF directly replace the MP4032-1GS-Z on an existing PCB?

A: No. The LT3799IMSE#PBF uses a 16-TFSOP package versus the MP4032-1GS-Z 8-SOIC package. PCB redesign is required for pin routing and thermal management. The TPS92411PDDA is compatible with the same 8-PowerSOIC footprint and may enable direct substitution pending functional validation.

Q: What are the key differences in internal architecture?

A: The MP4032-1GS-Z and TPS92411PDDA both include internal switching elements, while the LT3799IMSE#PBF does not. The TPS92411PDDA supports multiple topologies (Flyback, Buck, Boost), whereas the MP4032-1GS-Z and LT3799IMSE#PBF are optimized for flyback topology.

Q: Are all three parts suitable for triac dimming applications?

A: The MP4032-1GS-Z and LT3799IMSE#PBF explicitly support triac dimming. The TPS92411PDDA dimming capability is not specified in the provided parameters.

Q: What is the significance of the MSL rating difference?

A: The LT3799IMSE#PBF (MSL 1) has unlimited shelf life under controlled storage conditions, while the MP4032-1GS-Z and TPS92411PDDA (MSL 2) require use within one year of manufacture. This affects inventory management and long-term component availability.

Q: Which part supports the highest operating temperature?

A: The TPS92411PDDA operates to 150°C junction temperature, compared to 125°C for both the MP4032-1GS-Z and LT3799IMSE#PBF. This provides additional thermal margin for high-temperature lighting applications.