MP3383GF-Z LED Driver IC Equivalent & Substitute Parts

Part Overview

The MP3383GF-Z is a 4-output LED driver IC manufactured by Monolithic Power Systems Inc., classified as a Power Management PMIC. This device functions as a DC-DC controller with step-up (boost) topology, designed for backlight applications requiring multiple LED string management. The part is currently in active product status with 3402 units in stock.

Identifying equivalent and substitute parts is necessary when the primary part number becomes unavailable, when supply chain constraints occur, or when design flexibility is required across manufacturing batches while maintaining identical electrical and mechanical performance.

Substiute Parts

MP3383GF-Z

Monolithic Power Systems Inc.In Stock: 3508MP3383GF-Z Datasheet

Current PartRFQ

MP3383GF-P

Monolithic Power Systems Inc.In Stock: 2467MP3383GF-P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MP3383GF-Z are determined by strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following criteria:

Electrical Equivalence Requirements:

• Identical DC-DC controller topology (Step-Up/Boost)
• Matching number of outputs (4 strings)
• Identical supply voltage range (6V to 33V minimum and maximum)
• Identical output voltage specification (80V)
• Identical current rating per channel (400mA)
• Identical switching frequency (500kHz)
• Identical dimming control methods (Analog and PWM)

Mechanical and Packaging Equivalence Requirements:

• Identical package type (16-TSSOP with exposed pad)
• Identical mounting type (Surface Mount)
• Identical thermal operating range (-40°C to 125°C)

Compliance and Environmental Equivalence:

• Identical RoHS compliance status (ROHS3 Compliant)
• Identical MSL rating (2A, 4 Weeks)
• Same manufacturer (Monolithic Power Systems Inc.)

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The MP3383GF-P is a direct parametric equivalent to the MP3383GF-Z. Both parts are manufactured by Monolithic Power Systems Inc. and share identical electrical specifications, package configuration, and compliance certifications.

Selection Basis:

Both parts maintain active product status, indicating ongoing manufacturer support and availability. Both are ROHS3 compliant and carry identical MSL ratings, ensuring equivalent handling and storage requirements in manufacturing environments.

The difference between these part numbers reflects packaging or distribution channel variations from the manufacturer. The MP3383GF-Z and MP3383GF-P are interchangeable at the circuit design level, with no modifications required to PCB layouts, thermal management, or firmware implementations.

Selection between these two parts should be based on:

• Current inventory availability at your supplier
• Lead time requirements
• Pricing and volume discounts
• Existing supply chain relationships

Both parts are suitable for backlight LED driver applications requiring 4-string management with 400mA per channel capability and 80V output voltage.

Frequently Asked Questions (FAQ)

Q: Can MP3383GF-P be used as a direct replacement for MP3383GF-Z in production?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, package types, and compliance certifications. No circuit modifications are required.

Q: What is the difference between MP3383GF-Z and MP3383GF-P?

A: The difference lies in packaging or distribution designation from Monolithic Power Systems Inc. The electrical and mechanical specifications are identical. Both are 16-TSSOP surface mount packages with exposed pads.

Q: Are there any thermal or reliability differences between these parts?

A: No. Both parts operate across the identical temperature range (-40°C to 125°C) and carry the same MSL rating (2A, 4 Weeks), indicating equivalent thermal performance and moisture sensitivity characteristics.

Q: Can these parts be mixed in the same production batch?

A: Yes. Since both parts are parametric equivalents with identical specifications, they can be used interchangeably within the same design and production environment.

Q: What are the key parameters that make these parts equivalent?

A: Equivalence is determined by: 4-output configuration, 6V to 33V supply range, 80V output voltage, 400mA per channel current rating, 500kHz switching frequency, analog and PWM dimming control, 16-TSSOP package with exposed pad, and -40°C to 125°C operating temperature.

Q: Are both parts RoHS compliant?

A: Yes. Both MP3383GF-Z and MP3383GF-P are ROHS3 compliant and carry identical environmental compliance certifications.

Q: What is the MSL rating and why does it matter?

A: Both parts carry an MSL rating of 2A with a 4-week floor life. This rating specifies moisture sensitivity and handling requirements during storage and manufacturing. Parts must be baked if floor life is exceeded before reflow soldering.