MP4060GS LED Driver IC - Equivalent & Substitute Parts

Part Overview

The MP4060GS is an AC DC offline switcher LED driver IC manufactured by Monolithic Power Systems Inc., designed for lighting applications with Triac dimming capability. This device operates from 200VAC to 265VAC input and is housed in an 8-SOIC package. The part is currently in active production status with 692 units in stock.

Substitute parts become necessary when the MP4060GS reaches end-of-life status, experiences supply constraints, or when design requirements necessitate alternative component specifications. The RT7320GSP represents a functionally equivalent alternative from Richtek USA Inc., though it operates under different electrical parameters and is currently in obsolete status.

Substiute Parts

MP4060GS

Monolithic Power Systems Inc.In Stock: 752MP4060GS Datasheet

Current PartRFQ

RT7320GSP

Richtek USA Inc.In Stock: 2727RT7320GSP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MP4060GS is determined by the following critical parameters:

Primary Substitution Criteria:

• Package compatibility: 8-SOIC form factor with 0.154" (3.90mm) width
• Functional category: AC DC offline switcher LED driver IC
• Output configuration: Single output topology
• Surface mount capability
• RoHS3 compliance
• Operating temperature range support for target application

Secondary Compatibility Factors:

• Supply voltage range (input voltage specifications)
• Dimming capability (Triac or equivalent)
• Internal switch configuration
• Current output specifications
• Thermal operating range

The RT7320GSP meets the primary substitution criteria through identical package geometry and surface mount configuration. However, it operates under significantly different electrical parameters, including a reduced supply voltage range (0V to 100V versus 200VAC to 265VAC) and specified output current of 78.3mA. This substitute is suitable only for applications where the electrical specifications align with the target design requirements.

Parameter Comparison

Engineering Selection Recommendations

MP4060GS (Primary Selection): The MP4060GS remains the recommended component for new designs and ongoing production. Active product status ensures long-term availability and supply chain stability. ROHS3 compliance and MSL 2 rating provide favorable handling and storage characteristics. The device is specifically designed for 200VAC to 265VAC AC mains input with integrated Triac dimming, making it suitable for direct AC line-powered LED lighting applications.

RT7320GSP (Substitute - Limited Application): The RT7320GSP is classified as obsolete and should not be selected for new designs. This substitute is electrically incompatible with the MP4060GS due to fundamentally different supply voltage specifications (0V to 100V versus 200VAC to 265VAC). The RT7320GSP is suitable only for DC-powered LED driver applications where the 78.3mA output current and reduced voltage range align with design requirements. The higher MSL rating (3 versus 2) and lower maximum operating temperature (85°C versus 125°C) represent additional constraints. Substitution is only valid when the target application operates within the RT7320GSP electrical envelope and obsolescence risk is acceptable.

Frequently Asked Questions (FAQ)

Q: Can the RT7320GSP directly replace the MP4060GS in an existing design?

A: No. The RT7320GSP operates on fundamentally different electrical principles. The MP4060GS is designed for 200VAC to 265VAC AC mains input, while the RT7320GSP accepts 0V to 100V DC input. Direct substitution would result in circuit malfunction or component failure.

Q: What is the primary reason to consider the RT7320GSP as an alternative?

A: The RT7320GSP shares identical package geometry (8-SOIC with 0.154" width) and surface mount configuration. Substitution is valid only for new designs where the application requires DC-powered LED driving within the 0V to 100V input range and 78.3mA output current specification.

Q: Does the RT7320GSP support Triac dimming like the MP4060GS?

A: No. The RT7320GSP dimming capability is not specified in the provided parameters. The MP4060GS explicitly includes Triac dimming functionality for AC mains-powered lighting applications.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the MP4060GS and RT7320GSP meet ROHS3 compliance requirements. However, the MP4060GS offers superior moisture handling with MSL 2 (1 Year) versus MSL 3 (168 Hours) for the RT7320GSP.

Q: What is the operating temperature difference between these parts?

A: The MP4060GS operates from -40°C to 125°C (junction temperature), while the RT7320GSP operates from -40°C to 85°C (ambient temperature). The MP4060GS provides a 40°C higher maximum operating temperature, making it more suitable for high-temperature lighting applications.

Q: Why is the RT7320GSP listed as obsolete?

A: Obsolete status indicates the RT7320GSP is no longer in active production. This classification affects long-term availability and supply chain reliability. The MP4060GS active status ensures continued component availability for production and support.