MP4653GY-Z LED Driver IC Equivalent & Substitute Parts

Part Overview

The MP4653GY-Z is an AC DC offline switcher LED driver IC manufactured by Monolithic Power Systems Inc., designed for lighting and backlight applications. This half-bridge topology device operates across a 9V to 30V supply range with analog and PWM dimming capabilities in a 20-SOIC package. The part is currently active in production with ROHS3 compliance and extensive inventory availability. Equivalent and substitute parts are identified to provide design flexibility, alternative sourcing options, and compatibility across different application requirements within the LED driver IC category.

Substiute Parts

MP4653GY-Z

Monolithic Power Systems Inc.In Stock: 63896MP4653GY-Z Datasheet

Current PartRFQ

AL1677-20BS-13

Diodes IncorporatedIn Stock: 6780AL1677-20BS-13 Datasheet

MFR RecommendedRFQ

NCL30188BDR2G

onsemiIn Stock: 10327NCL30188BDR2G Datasheet

MFR RecommendedRFQ

TPS92411DBVT

Texas InstrumentsIn Stock: 2467TPS92411DBVT Datasheet

MFR RecommendedRFQ

TPS92411PDDA

Texas InstrumentsIn Stock: 2018TPS92411PDDA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MP4653GY-Z are identified based on the following core substitution criteria:

Primary Matching Parameters:

• AC DC offline switcher topology classification
• Single output configuration
• LED lighting application suitability
• Voltage supply range overlap or compatibility
• Surface mount technology
• ROHS3 compliance and active product status

Substitution Logic: The MP4653GY-Z operates within a 9V to 30V supply envelope with half-bridge topology and integrated dimming control. Substitute parts must function as AC DC offline switchers for LED driver applications. Topology variations (Flyback, SEPIC, Step-Down, Step-Up, Buck) are acceptable where voltage supply ranges overlap with the main part's operating window. Dimming capability is not a mandatory matching criterion for substitution eligibility. Package form factors differ across substitutes to accommodate various PCB layout and thermal management requirements.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed maintain active product status and ROHS3 compliance, meeting baseline regulatory and supply chain requirements equivalent to the MP4653GY-Z.

AL1677-20BS-13 (Diodes Incorporated): Step-down buck topology with integrated internal switch. Operates within 8.5V to 16.2V supply range, which overlaps the lower portion of the MP4653GY-Z operating window. Rated for 2A output current. Operating temperature maximum of 105°C (TA) is lower than the main part. 8-SOIC package reduces board footprint compared to the 20-SOIC main part.

NCL30188BDR2G (onsemi): Supports multiple topologies (Flyback, SEPIC, Step-Down, Step-Up) with 8.8V to 25.5V supply range, providing substantial overlap with the MP4653GY-Z voltage envelope. No internal switch configuration. 500mA output current rating. Operating temperature range matches the main part at -40°C to 125°C (TJ). 8-SOIC package form factor.

TPS92411DBVT (Texas Instruments): Multi-topology support (Flyback, Step-Down, Step-Up) with extended supply range of 7.5V to 100V, exceeding the MP4653GY-Z maximum. Integrated internal switch. Operating temperature extends to 150°C (TJ). SOT-23-5 package provides minimal board footprint. Moisture sensitivity level MSL-1 indicates superior moisture resistance compared to the main part (MSL-3).

TPS92411PDDA (Texas Instruments): Multi-topology configuration (Flyback, Step-Down, Step-Up) with 7.5V to 94V supply range. Integrated internal switch. Operating temperature maximum of 150°C (TJ). 8-PowerSOIC package with thermal pad for enhanced heat dissipation. Moisture sensitivity level MSL-2 provides intermediate moisture protection.

Frequently Asked Questions (FAQ)

Q: Can the AL1677-20BS-13 directly replace the MP4653GY-Z?

A: The AL1677-20BS-13 operates within a reduced voltage supply range (8.5V to 16.2V) compared to the MP4653GY-Z (9V to 30V). Direct substitution is limited to applications operating within the 9V to 16.2V window. The step-down buck topology differs from the half-bridge topology of the main part, requiring circuit design verification.

Q: What is the primary advantage of the TPS92411 series substitutes?

A: The TPS92411DBVT and TPS92411PDDA offer extended operating temperature ranges (-40°C to 150°C) and wider supply voltage ranges (7.5V to 100V and 7.5V to 94V respectively) compared to the MP4653GY-Z. Both integrate internal switches and support multiple converter topologies, providing design flexibility across diverse lighting applications.

Q: How do package differences affect substitution?

A: The MP4653GY-Z uses a 20-SOIC package (7.50mm width). Substitute parts employ smaller packages: AL1677-20BS-13 and NCL30188BDR2G use 8-SOIC (3.90mm width), TPS92411DBVT uses SOT-23-5, and TPS92411PDDA uses 8-PowerSOIC. Smaller packages reduce PCB footprint but may require layout redesign. The 8-PowerSOIC variant includes a thermal pad for improved heat management.

Q: Are all substitute parts suitable for PWM dimming applications?

A: The MP4653GY-Z explicitly supports analog and PWM dimming. The AL1677-20BS-13 and NCL30188BDR2G do not include dimming capability. The TPS92411DBVT and TPS92411PDDA support dimming functionality, making them more compatible with the main part's dimming feature set.

Q: What compliance certifications apply to all parts in this comparison?

A: All parts listed—MP4653GY-Z, AL1677-20BS-13, NCL30188BDR2G, TPS92411DBVT, and TPS92411PDDA—maintain ROHS3 compliance and REACH unaffected status. All are classified under ECCN EAR99 and HTSUS 8542.39.0001. All parts are active in production.

Q: Which substitute offers the best thermal performance?

A: The TPS92411PDDA features an 8-PowerSOIC package with integrated thermal pad, designed for enhanced heat dissipation. The TPS92411DBVT supports the highest operating temperature (150°C junction temperature). Both Texas Instruments parts exceed the MP4653GY-Z thermal capabilities.