MP4032-1GS LED Driver IC Equivalent & Substitute Parts

Part Overview

The MP4032-1GS is an AC DC offline switcher LED driver IC manufactured by Monolithic Power Systems Inc., designed for lighting applications with Triac dimming capability. This 8-SOIC package device delivers 1A output current and operates across a 10.3V to 27V supply range with an internal switch for flyback topology implementation.

The MP4032-1GS maintains Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified for applications requiring equivalent functionality, alternative packaging options, or enhanced feature sets while maintaining core electrical and mechanical compatibility within the AC DC offline switcher LED driver category.

Substiute Parts

MP4032-1GS

Monolithic Power Systems Inc.In Stock: 5672MP4032-1GS Datasheet

Current PartRFQ

HVLED805TR

STMicroelectronicsIn Stock: 27811HVLED805TR Datasheet

MFR RecommendedRFQ

LT3799EMSE#TRPBF

Analog Devices Inc.In Stock: 3688LT3799EMSE#TRPBF Datasheet

MFR RecommendedRFQ

LYT1603D-TL

Power IntegrationsIn Stock: 3462LYT1603D-TL Datasheet

MFR RecommendedRFQ

NCL30082BDR2G

onsemiIn Stock: 2903NCL30082BDR2G Datasheet

MFR RecommendedRFQ

NCL30185BDR2G

onsemiIn Stock: 7832NCL30185BDR2G Datasheet

MFR RecommendedRFQ

TPS92001D

Texas InstrumentsIn Stock: 1278TPS92001D Datasheet

MFR RecommendedRFQ

TPS92314ADR/NOPB

Texas InstrumentsIn Stock: 2105TPS92314ADR/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MP4032-1GS are grouped based on the following core substitution criteria:

Primary Compatibility Parameters:

• Type: AC DC Offline Switcher
• Topology: Flyback (primary), with alternatives in Step-Down (Buck) or multi-topology configurations
• Number of Outputs: 1
• Mounting Type: Surface Mount
• Package Category: 8-SOIC or 16-SOIC form factors
• Operating Temperature Range: Minimum -40°C, maximum 105°C or higher
• RoHS3 Compliance: Required
• Applications: Lighting

Dimming Capability Variants: Substitutes are available with Triac dimming (direct functional equivalents) or PWM/Analog/Multi-Step dimming (alternative control methods for equivalent LED driver functionality).

Supply Voltage Compatibility: Substitute parts operate within overlapping or extended supply voltage ranges (8.8V to 35V), accommodating various AC DC offline switcher input specifications.

Parameter Comparison

Engineering Selection Recommendations

Direct Functional Equivalents (Triac Dimming, 8-SOIC Package):

TPS92314ADR/NOPB and LT3799EMSE#TRPBF provide direct functional equivalence to MP4032-1GS with Triac dimming capability. TPS92314ADR/NOPB maintains Active product status with extended supply voltage range (13V to 35V) and operates within the same thermal specifications. LT3799EMSE#TRPBF offers unlimited moisture sensitivity rating (MSL 1) compared to MP4032-1GS MSL 2, providing enhanced reliability for extended storage conditions.

Alternative Dimming Control (Flyback Topology):

HVLED805TR and NCL30082BDR2G provide PWM-based dimming alternatives within the flyback topology category. HVLED805TR extends operating temperature to 150°C and offers 16-SOIC packaging for applications requiring larger pin counts. NCL30082BDR2G operates at lower minimum supply voltage (8.8V) but carries Last Time Buy status, indicating limited future availability.

Multi-Topology Alternative:

NCL30185BDR2G supports multiple topologies (Flyback, SEPIC, Buck, Boost) with multi-step dimming, accommodating diverse circuit design requirements. This part operates within 8.8V to 25.5V supply range and maintains 8-SOIC package compatibility. Last Time Buy status applies.

Extended Temperature and Alternative Topology:

TPS92001D combines Flyback and Buck topologies with Triac dimming in 8-SOIC package but operates at reduced maximum temperature (105°C) and carries Last Time Buy status. LYT1603D-TL from Power Integrations operates directly from AC mains (90VAC to 308VAC) with Buck topology and internal switch, suitable for applications requiring direct AC input without separate rectification stages.

Compliance and Availability Considerations:

All substitute parts maintain ROHS3 compliance and REACH unaffected status. TPS92314ADR/NOPB and LYT1603D-TL retain Active product status, ensuring long-term availability. Parts designated Last Time Buy (NCL30185BDR2G, NCL30082BDR2G, TPS92001D) should be evaluated for long-term supply chain requirements.

Frequently Asked Questions (FAQ)

Q: Can TPS92314ADR/NOPB directly replace MP4032-1GS in existing designs?

A: TPS92314ADR/NOPB shares 8-SOIC package, Flyback topology, Triac dimming, and single output configuration with MP4032-1GS. Supply voltage range differs (13V to 35V vs. 10.3V to 27V), requiring verification that circuit input specifications fall within TPS92314ADR/NOPB minimum 13V threshold. Both maintain -40°C to 125°C operating temperature and ROHS3 compliance.

Q: What is the primary difference between Triac and PWM dimming substitutes?

A: Triac dimming (MP4032-1GS, TPS92314ADR/NOPB, LT3799EMSE#TRPBF) interfaces with phase-cut dimmer switches common in residential and commercial lighting installations. PWM dimming (HVLED805TR, NCL30082BDR2G) requires PWM control signals from external dimming circuits. Application requirements determine appropriate dimming method.

Q: Why do some substitutes show "Last Time Buy" status?

A: Last Time Buy designation indicates manufacturers have announced end-of-life for these parts. NCL30185BDR2G, NCL30082BDR2G, and TPS92001D remain available in current inventory but will not be manufactured beyond specified dates. Active status parts (MP4032-1GS, TPS92314ADR/NOPB, LYT1603D-TL) provide extended availability assurance.

Q: Is LYT1603D-TL compatible with MP4032-1GS designs?

A: LYT1603D-TL differs fundamentally in input specification, accepting 90VAC to 308VAC directly without rectification, whereas MP4032-1GS requires DC supply (10.3V to 27V). Both use 8-SOIC packages and support lighting applications, but circuit topology and power supply architecture must be redesigned for LYT1603D-TL implementation.

Q: What packaging considerations apply when selecting substitutes?

A: MP4032-1GS uses 8-SOIC (7 leads). HVLED805TR uses 16-SOIC, requiring PCB layout modifications and increased board space. LT3799EMSE#TRPBF uses 16-TFSOP with exposed pad, offering thermal advantages but different footprint. All other substitutes maintain 8-SOIC compatibility with direct PCB footprint alignment.

Q: How do supply voltage ranges affect substitute selection?

A: MP4032-1GS operates 10.3V to 27V. TPS92314ADR/NOPB requires minimum 13V, eliminating designs operating below this threshold. NCL30185BDR2G and NCL30082BDR2G extend lower range to 8.8V, accommodating lower-voltage applications. HVLED805TR operates 11.5V to 23V, providing narrower range than MP4032-1GS maximum specification.

Q: Are all substitutes RoHS3 compliant?

A: All listed substitutes maintain ROHS3 compliance except LYT1603D-TL, which carries RoHS Compliant designation without specific version notation. All parts are REACH unaffected. Compliance verification against specific customer or regional requirements is recommended.