MP4030AGS-Z LED Driver IC Equivalent & Substitute Parts

Part Overview

The MP4030AGS-Z 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 features a single output, flyback topology, and operates across a 11V to 27V supply voltage range in an 8-SOIC surface mount package.

The MP4030AGS-Z carries a "Not For New Designs" product status, indicating it is obsolete or being phased out. This necessitates identifying equivalent and substitute parts that maintain functional compatibility while offering active product status or improved availability for new design implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	MP4030AGS-Z
Manufacturer	Monolithic Power Systems Inc.
Category	Power Management (PMIC)
Type	AC DC Offline Switcher
Topology	Flyback
Number of Outputs	1
Voltage - Supply (Min)	11V
Voltage - Supply (Max)	27V
Dimming	Triac
Applications	Lighting
Operating Temperature	-40°C ~ 125°C (TJ)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Not For New Designs
RoHS Status	ROHS3 Compliant
MSL Rating	2 (1 Year)

Substitute Part Grouping Explanation

Substitute parts for the MP4030AGS-Z are categorized based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

Type: AC DC Offline Switcher
Topology: Flyback
Number of Outputs: 1
Dimming Method: Triac
Applications: Lighting
Operating Temperature Range: -40°C ~ 125°C (TJ)

Secondary Compatibility Factors:

Voltage Supply Range: 11V to 27V (or compatible range)
Package Type: Surface Mount preferred for PCB compatibility
Internal Switch Configuration: No (matches original)
RoHS Compliance: ROHS3 Compliant

Substitute parts are grouped into two categories:

Category 1: Parametric Equivalents (MPS Series) Parts MP4030GS-P and MP4030GS-Z maintain identical functional specifications with minor packaging variations. These are direct replacements within the same manufacturer family.

Category 2: Manufacturer Recommended Alternatives (Power Integrations LinkSwitch-PH Series) Parts LNK404LG, LNK406EG, LNK407LG, LNK416LG, and LNK418EG represent active product alternatives with enhanced specifications. These feature integrated internal switches, higher voltage supply ranges (36V–725V), and active product status. Dimming methods vary between Triac and PWM depending on model selection.

Category 3: Cross-Manufacturer Alternatives Parts LT3799IMSE-1#TRPBF (Analog Devices), NCL30186BDR2G (onsemi), and RT7304AGE (Richtek) offer functional equivalence with different topological flexibility and package options.

Parameter Comparison

Part Number	Manufacturer	Type	Topology	Voltage Supply Min	Voltage Supply Max	Dimming	Package	Mounting	Product Status	Operating Temp
MP4030AGS-Z	MPS	AC DC Offline Switcher	Flyback	11V	27V	Triac	8-SOIC	Surface Mount	Not For New Designs	-40°C ~ 125°C
MP4030GS-P	MPS	AC DC Offline Switcher	Flyback	10V	27V	Triac	8-SOIC	Surface Mount	Not For New Designs	-40°C ~ 125°C
MP4030GS-Z	MPS	AC DC Offline Switcher	Flyback	11V	27V	Triac	8-SOIC	Surface Mount	Not For New Designs	-40°C ~ 125°C
LNK404LG	Power Integrations	AC DC Offline Switcher	Flyback	36V	725V	Triac	eSIP-7F	Through Hole	Active	-40°C ~ 150°C
LNK406EG	Power Integrations	AC DC Offline Switcher	Flyback	36V	725V	Triac	eSIP-7C	Through Hole	Active	-40°C ~ 150°C
LNK407LG	Power Integrations	AC DC Offline Switcher	Flyback	36V	725V	Triac	eSIP-7F	Through Hole	Active	-40°C ~ 150°C
LNK416LG	Power Integrations	AC DC Offline Switcher	Flyback	36V	725V	PWM	eSIP-7F	Through Hole	Active	-40°C ~ 150°C
LNK418EG	Power Integrations	AC DC Offline Switcher	Flyback	36V	725V	PWM	eSIP-7C	Through Hole	Active	-40°C ~ 150°C
LT3799IMSE-1#TRPBF	Analog Devices	AC DC Offline Switcher	Flyback	—	—	Triac	16-MSOP-EP	Surface Mount	Active	-40°C ~ 125°C
NCL30186BDR2G	onsemi	AC DC Offline Switcher	Flyback, SEPIC, Buck, Boost	8.8V	25.5V	Analog, PWM	10-SOIC	Surface Mount	Active	-40°C ~ 125°C
RT7304AGE	Richtek	AC DC Offline Switcher	Flyback, Buck, Boost	11V	34V	—	SOT-23-6	Surface Mount	Active	-40°C ~ 125°C

Engineering Selection Recommendations

For Direct Replacement (Same Footprint & Specifications): MP4030GS-Z is the closest equivalent, maintaining identical electrical specifications and 8-SOIC package form factor. Both parts carry "Not For New Designs" status, so this substitution addresses packaging or inventory concerns only, not obsolescence mitigation.

For New Design Implementation with Active Product Status: The Power Integrations LinkSwitch-PH series (LNK404LG, LNK406EG, LNK407LG) provides active product alternatives with Triac dimming. These parts feature integrated internal switches and extended operating temperature ranges (-40°C to 150°C). However, they require through-hole mounting and operate at higher voltage supply ranges (36V–725V), necessitating circuit redesign.

LNK416LG and LNK418EG offer PWM dimming alternatives within the same LinkSwitch-PH family, suitable for applications requiring PWM-based dimming control instead of Triac dimming.

For Surface Mount Designs with Active Status: LT3799IMSE-1#TRPBF (Analog Devices) maintains surface mount packaging and Triac dimming functionality with active product status. The 16-MSOP-EP package differs from the original 8-SOIC, requiring PCB layout modification.

NCL30186BDR2G (onsemi) offers surface mount 10-SOIC packaging with flexible topology support (Flyback, SEPIC, Buck, Boost) and dual dimming methods (Analog, PWM). Supply voltage range (8.8V–25.5V) overlaps the original specification.

RT7304AGE (Richtek) provides SOT-23-6 surface mount packaging with active status and compatible supply voltage range (11V–34V), though dimming method is not specified in available parameters.

Compliance Considerations: All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory requirements. MSL ratings vary; verify moisture sensitivity requirements for your manufacturing process.

Frequently Asked Questions (FAQ)

Q: Can MP4030GS-Z be used as a direct replacement for MP4030AGS-Z? A: Yes. MP4030GS-Z is a parametric equivalent with identical electrical specifications (11V–27V supply, Triac dimming, Flyback topology, 8-SOIC package). The primary difference is packaging format (Tape & Reel vs. bulk). Both parts carry "Not For New Designs" status.

Q: Why do Power Integrations LinkSwitch-PH parts have different voltage supply ranges? A: LinkSwitch-PH series parts (LNK404LG, LNK406EG, LNK407LG, LNK416LG, LNK418EG) feature integrated internal switches and are designed for universal input AC applications, supporting 36V–725V supply ranges. The MP4030AGS-Z operates at lower voltages (11V–27V) without internal switches. Circuit topology redesign is required for substitution.

Q: What is the difference between Triac and PWM dimming in these LED driver ICs? A: Triac dimming uses phase-cut control compatible with standard wall dimmers, while PWM dimming uses pulse-width modulation for brightness control. MP4030AGS-Z supports Triac dimming. LNK416LG and LNK418EG offer PWM alternatives. Application requirements determine which dimming method is appropriate.

Q: Can I use LT3799IMSE-1#TRPBF as a drop-in replacement? A: LT3799IMSE-1#TRPBF maintains Triac dimming and active product status but uses 16-MSOP-EP packaging instead of 8-SOIC. PCB layout modification is required. Electrical specifications are compatible for lighting applications.

Q: Which substitute part has the best availability? A: MP4030GS-Z shows the highest inventory (50,300 pcs), followed by NCL30186BDR2G (37,800 pcs) and LNK418EG (16,244 pcs). Availability varies by distributor and region.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the original MP4030AGS-Z regulatory status.

Q: What package considerations apply when selecting a substitute? A: Surface mount packages (8-SOIC, 16-MSOP-EP, 10-SOIC, SOT-23-6) require different PCB footprints. Through-hole packages (eSIP-7F, eSIP-7C) require board redesign. Verify PCB layout compatibility before selection.

Q: Can NCL30186BDR2G replace MP4030AGS-Z in existing designs? A: NCL30186BDR2G offers functional equivalence with flexible topology support and dual dimming methods. Supply voltage range (8.8V–25.5V) overlaps the original (11V–27V). The 10-SOIC package differs from 8-SOIC, requiring PCB modification. Active product status makes it suitable for new designs.

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