MP3398HGS-P LED Driver IC Equivalent & Substitute Parts

Part Overview

The MP3398HGS-P 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 high voltage output and multi-channel current control. The part is currently in active product status with 1291 units available in new original inventory.

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 for procurement optimization while maintaining identical electrical and mechanical performance characteristics.

Substiute Parts

MP3398HGS-P

Monolithic Power Systems Inc.In Stock: 1337MP3398HGS-P Datasheet

Current PartRFQ

MP3398HGS-Z

Monolithic Power Systems Inc.In Stock: 3534MP3398HGS-Z Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MP3398HGS-P is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters define the substitution criteria:

Electrical Parameters (Must Match Exactly):

• Number of Outputs: 4 channels
• Voltage Supply Range: 4.5V minimum to 33V maximum
• Output Voltage: 80V
• Current per Channel: 400mA maximum
• Switching Frequency: 500kHz
• Dimming Control: Analog and PWM capability
• Topology: Step-Up (Boost) DC-DC controller

Mechanical Parameters (Must Match Exactly):

• Package Type: 16-SOIC with 0.154" (3.90mm) width
• Mounting Type: Surface Mount
• Supplier Device Package: 16-SOIC

Compliance & Environmental Parameters (Must Match Exactly):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 2 (1 Year)
• Operating Temperature Range: -40°C to 125°C (TJ)

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

Parameter Comparison

Engineering Selection Recommendations

MP3398HGS-Z is a direct parametric equivalent to MP3398HGS-P. Both parts are manufactured by Monolithic Power Systems Inc. and share identical electrical specifications, mechanical packaging, and compliance certifications.

Selection Basis:

Both the MP3398HGS-P and MP3398HGS-Z maintain active product status, indicating ongoing manufacturer support and availability. Both parts are ROHS3 compliant and carry identical moisture sensitivity ratings (MSL 2, 1 Year), ensuring equivalent handling and storage requirements.

The MP3398HGS-Z currently maintains higher inventory availability (3478 units) compared to the MP3398HGS-P (1291 units), which may influence procurement decisions based on lead time and supply chain requirements.

No electrical or mechanical redesign is required when substituting between these parts. PCB layout, component footprint, and circuit design remain unchanged. Both parts are suitable for backlight applications requiring 4-channel LED driver control with 80V output capability and 400mA per-channel current delivery.

Frequently Asked Questions (FAQ)

Q: Can MP3398HGS-Z be used as a direct replacement for MP3398HGS-P in production?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, package type, and compliance certifications. No circuit redesign or PCB modification is required.

Q: What is the difference between MP3398HGS-P and MP3398HGS-Z?

A: The parts are electrically and mechanically identical. The suffix designation (-P vs. -Z) indicates different packaging or distribution batches from Monolithic Power Systems Inc., but all critical parameters remain unchanged.

Q: Are the package dimensions identical between these parts?

A: Yes. Both parts use 16-SOIC packaging with 0.154" (3.90mm) width. Surface mount footprint and land pattern compatibility are identical.

Q: Do both parts support the same dimming control methods?

A: Yes. Both MP3398HGS-P and MP3398HGS-Z support analog and PWM dimming control with identical control characteristics.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -40°C to 125°C junction temperature (TJ), with identical thermal performance characteristics.

Q: Are there any compliance or certification differences?

A: No. Both parts are ROHS3 compliant with identical moisture sensitivity levels (MSL 2, 1 Year) and REACH unaffected status.

Q: Which part should be selected based on availability?

A: Selection should be based on procurement lead time and supply chain requirements. MP3398HGS-Z currently shows higher inventory (3478 units vs. 1291 units for MP3398HGS-P). Both parts are active products with ongoing manufacturer support.

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

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