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MP3202DG-LF-P LED Driver IC Equivalent & Substitute Parts
Part Overview
The MP3202DG-LF-P is an active LED Driver IC manufactured by Monolithic Power Systems Inc., classified as a Power Management PMIC. This device functions as a Step-Up (Boost) DC DC Regulator with integrated PWM control, delivering 1.33A switch current for single-output LED backlight applications. The part operates across a 2.5V to 6V supply range with 25V output capability and 1.3MHz switching frequency.
Substitute parts are identified when equivalent electrical performance can be achieved within the allowed parameter tolerances for this product category, accounting for variations in output current, voltage ranges, package form factors, and application-specific requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MP3202DG-LF-P |
| Manufacturer | Monolithic Power Systems Inc. |
| Category | Power Management (PMIC) |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 2.5V |
| Voltage - Supply (Max) | 6V |
| Voltage - Output | 25V |
| Current - Output / Channel | 1.33A (Switch) |
| Frequency | 1.3MHz |
| Dimming | Analog, PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 8-TFDFN Exposed Pad |
| Supplier Device Package | 8-QFN (2x2) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitute parts for the MP3202DG-LF-P are classified based on strict electrical and mechanical parameter alignment within the LED Driver IC category. The primary substitution criteria are:
Critical Parameters for Substitution:
- Topology: Step-Up (Boost) DC DC Regulator
- Number of Outputs: 1
- Voltage Supply Range: Minimum 2.5V, Maximum 6V (or compatible overlap)
- Output Voltage: 25V or higher capability
- Current Output: 1.33A or greater switch current
- Dimming Control: Analog and/or PWM capability
- Applications: Backlight or compatible LED driver function
- Operating Temperature: -40°C to 85°C or wider range
- Package Type: Surface Mount with exposed pad variants
- Compliance: ROHS3 Compliant, MSL 1
Substitutes are grouped into two categories:
Parametric Equivalents: Parts with identical or near-identical electrical specifications and package form factors, differing only in manufacturer or minor packaging variants (e.g., MP3202DG-LF-Z).
Manufacturer Recommended Alternatives: Parts from different manufacturers that meet or exceed the electrical requirements while maintaining functional compatibility for backlight LED driver applications, though with potential variations in package size, current rating, or frequency.
Parameter Comparison
| Parameter | MP3202DG-LF-P | MP3202DG-LF-Z | LM3530UME-25A/NOPB | LM3565TLX/NOPB | LT3591EDDB#TRMPBF | MIC2289-24YD6-TR | MCP1664T-E/MNY |
|---|---|---|---|---|---|---|---|
| Manufacturer | Monolithic Power Systems Inc. | Monolithic Power Systems Inc. | Texas Instruments | Texas Instruments | Analog Devices Inc. | Microchip Technology | Microchip Technology |
| Topology | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) |
| Voltage - Supply (Min) | 2.5V | 2.5V | 2.7V | 2.5V | 2.5V | 2.5V | 2.4V |
| Voltage - Supply (Max) | 6V | 6V | 5.5V | 5.5V | 12V | 10V | 5.5V |
| Voltage - Output | 25V | 25V | 40V | 5.5V ~ 8.5V | Not Specified | 24V | 32V |
| Current - Output / Channel | 1.33A (Switch) | 1.33A (Switch) | 30mA | 930mA (Flash) | 500mA (Switch) | 750mA (Switch) | 300mA |
| Frequency | 1.3MHz | 1.3MHz | 500kHz | 4MHz | 1MHz | 1.2MHz | 500kHz |
| Dimming | Analog, PWM | Analog, PWM | PWM | PWM | PWM | Analog, PWM | PWM |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -40°C ~ 85°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TA) |
| Package / Case | 8-TFDFN Exposed Pad | 8-TFDFN Exposed Pad | 12-XFBGA, DSBGA | 16-WFBGA, DSBGA | 8-WFDFN Exposed Pad | SOT-23-6 Thin, TSOT-23-6 | 8-WFDFN Exposed Pad |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Parametric Equivalent (Direct Replacement): MP3202DG-LF-Z is a parametric equivalent with identical electrical specifications and package form factor. Both parts are manufactured by Monolithic Power Systems Inc., carry Active product status, and maintain ROHS3 compliance with MSL 1 rating. Selection between MP3202DG-LF-P and MP3202DG-LF-Z depends on packaging format availability (Tape & Reel variant).
Manufacturer Recommended Alternatives:
LM3530UME-25A/NOPB (Texas Instruments) provides higher output voltage capability (40V) and operates across a compatible supply range (2.7V to 5.5V). Output current is limited to 30mA, suitable for lower-power backlight applications. Package differs to 12-DSBGA format.
LM3565TLX/NOPB (Texas Instruments) delivers 930mA flash current with 4MHz switching frequency, optimized for camera flash applications rather than continuous backlight operation. Output voltage range (5.5V to 8.5V) is narrower than the MP3202DG-LF-P.
LT3591EDDB#TRMPBF (Analog Devices Inc.) offers 500mA switch current with extended supply voltage range (2.5V to 12V) and PWM dimming control. Package is 8-DFN (3x2), compatible with surface mount assembly.
MIC2289-24YD6-TR (Microchip Technology) provides 750mA switch current with dual dimming control (Analog and PWM) and 24V output voltage. Extended operating temperature range (-40°C to 125°C) and TSOT-23-6 package offer compact form factor.
MCP1664T-E/MNY (Microchip Technology) delivers 300mA output current with 32V capability and PWM dimming. Extended temperature range (-40°C to 125°C) and 8-TDFN package provide thermal robustness.
All substitute parts maintain Active product status and ROHS3 compliance with MSL 1 rating, ensuring regulatory alignment with the primary part.
Frequently Asked Questions (FAQ)
Q: Can MP3202DG-LF-Z be used as a direct replacement for MP3202DG-LF-P?
A: Yes. MP3202DG-LF-Z is a parametric equivalent with identical electrical specifications, operating parameters, and package form factor. The difference is packaging format (Tape & Reel variant). Both parts are manufactured by Monolithic Power Systems Inc. and maintain identical compliance certifications.
Q: What is the primary difference between the MP3202DG-LF-P and LM3530UME-25A/NOPB?
A: The LM3530UME-25A/NOPB has higher output voltage capability (40V vs. 25V) but significantly lower output current (30mA vs. 1.33A). It is suitable for lower-power backlight applications. The package format also differs (12-DSBGA vs. 8-QFN).
Q: Is LM3565TLX/NOPB suitable for backlight applications?
A: LM3565TLX/NOPB is optimized for camera flash applications with 930mA flash current and 4MHz switching frequency. While it supports PWM dimming and operates within compatible supply ranges (2.5V to 5.5V), its output voltage range (5.5V to 8.5V) is narrower than the MP3202DG-LF-P (25V), limiting backlight application flexibility.
Q: What advantage does MIC2289-24YD6-TR offer over the MP3202DG-LF-P?
A: MIC2289-24YD6-TR provides dual dimming control (Analog and PWM), matching the MP3202DG-LF-P capability. It offers extended operating temperature range (-40°C to 125°C) and operates across a wider supply voltage range (2.5V to 10V). Output current is 750mA, lower than the MP3202DG-LF-P (1.33A). Package is TSOT-23-6, a compact surface-mount form factor.
Q: Can LT3591EDDB#TRMPBF replace the MP3202DG-LF-P in all applications?
A: LT3591EDDB#TRMPBF supports PWM dimming and operates within compatible supply ranges (2.5V to 12V). Output current is 500mA, lower than the MP3202DG-LF-P (1.33A). The extended supply voltage range provides flexibility for applications requiring higher input voltages. Package is 8-DFN (3x2), compatible with surface mount assembly.
Q: What is the significance of the MSL 1 rating across all parts?
A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture-related degradation. All listed parts carry this rating, ensuring consistent handling and storage requirements across substitution options.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed maintain ROHS3 compliance, ensuring regulatory alignment with environmental and hazardous substance restrictions.
Q: How does package form factor affect substitution decisions?
A: Package form factor determines PCB layout compatibility and assembly process requirements. MP3202DG-LF-P uses 8-QFN (2x2), a compact surface-mount package. Substitutes vary: LM3530UME-25A/NOPB uses 12-DSBGA, LM3565TLX/NOPB uses 16-DSBGA, LT3591EDDB#TRMPBF uses 8-DFN (3x2), MIC2289-24YD6-TR uses TSOT-23-6, and MCP1664T-E/MNY uses 8-TDFN (2x3). PCB redesign may be required for package changes.
Q: What output current rating should I prioritize when selecting a substitute?
A: Output current rating determines maximum LED load capacity. The MP3202DG-LF-P delivers 1.33A switch current. Substitutes with lower ratings (LM3530UME-25A/NOPB at 30mA, MCP1664T-E/MNY at 300mA) are suitable only for reduced-load applications. Substitutes with comparable or higher ratings (LT3591EDDB#TRMPBF at 500mA, MIC2289-24YD6-TR at 750mA) provide closer functional equivalence.
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