MP3367GR-P LED Driver IC Equivalent & Substitute Parts

Part Overview

The MP3367GR-P is an active LED Driver IC manufactured by Monolithic Power Systems Inc., classified as a Power Management PMIC. This component functions as a 6-output DC DC regulator with Step-Up (Boost) topology, designed for backlight applications requiring PWM and analog dimming control. The device operates across a 3.5V to 36V supply range with 150mA per-channel output current capability in a compact 24-QFN (4x4) surface mount package.

Equivalent and substitute parts are identified based on matching functional topology, output configuration, dimming capability, and package compatibility. Substitutes enable design flexibility when the primary part experiences supply constraints or when alternative manufacturers' components meet application requirements.

Key Parameters

Parameter	MP3367GR-P
Manufacturer	Monolithic Power Systems Inc.
Category	Power Management (PMIC)
Type	DC DC Regulator
Topology	Step-Up (Boost)
Number of Outputs	6
Voltage Supply Range	3.5V to 36V
Current per Channel	150mA
Dimming Control	Analog, PWM
Frequency	2.2MHz
Package Type	24-VFQFN Exposed Pad (4x4)
Mounting Type	Surface Mount
Product Status	Active
RoHS Compliance	ROHS3 Compliant
MSL Rating	1 (Unlimited)
Grade	Automotive

Substitute Part Grouping Explanation

Substitute parts for the MP3367GR-P are selected based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Topology: Step-Up (Boost) DC DC Regulator configuration
Output Count: 6 independent LED driver outputs
Dimming Capability: PWM and/or Analog dimming support
Application: Backlight LED driver functionality
Supply Voltage Overlap: Minimum and maximum operating voltage ranges must accommodate the application's power source
Output Current: Per-channel current rating must meet or exceed application requirements
Package Category: Surface mount packages with similar form factors and pin counts

Secondary Compatibility Factors:

Product status (Active components preferred)
RoHS3 compliance and environmental certifications
Moisture sensitivity level and storage requirements
Operating temperature range

Substitutes are grouped into two categories: Direct Topology Matches (Step-Up Boost with 6 outputs) and Alternative Topology Options (Switched Capacitor with 6 outputs for lower voltage applications).

Parameter Comparison

Part Number	Manufacturer	Topology	Outputs	Supply Min (V)	Supply Max (V)	Current/Ch (mA)	Dimming	Package	Status
MP3367GR-P	Monolithic Power Systems	Step-Up (Boost)	6	3.5	36	150	Analog, PWM	24-VFQFN (4x4)	Active
TPS61187RTJR	Texas Instruments	Step-Up (Boost)	6	4.5	24	30	PWM	20-WFQFN (4x4)	Active
BD9470AEFV-E2	Rohm Semiconductor	Step-Up (Boost)	6	9	35	250	PWM	28-VSSOP (0.173", 4.40mm)	Active
LP8552TLE/NOPB	Texas Instruments	Step-Up (Boost)	6	2.7	22	450	PWM	25-WFBGA	Active
LP8552TLX/NOPB	Texas Instruments	Step-Up (Boost)	6	2.7	22	450	PWM	25-WFBGA	Active
ISL97671AIRZ-TK	Renesas Electronics	Step-Up (Boost)	6	4.5	26.5	50	PWM	20-VFQFN (3x4)	Active
LP8556TME-E06/NOPB	Texas Instruments	Step-Up (Boost)	5	2.7	20	50	PWM	20-DSBGA (2.04x1.78)	Active
LT3598IFE#PBF	Analog Devices Inc.	Step-Up (Boost)	6	3	30	30	Analog, PWM	24-TSSOP (0.173", 4.40mm)	Active
FAN5702UC15X	Fairchild Semiconductor	Switched Capacitor (Charge Pump)	6	2.7	5.5	30	I2C, PWM	16-WLCSP (1.71x1.71)	Active

Engineering Selection Recommendations

Direct Substitutes (Highest Compatibility):

The following parts maintain Step-Up (Boost) topology with 6 outputs and are suitable for applications where the MP3367GR-P supply voltage and current requirements align:

TPS61187RTJR (Texas Instruments): Maintains 6-output Step-Up topology with 20-QFN package. Suitable for applications with 4.5V to 24V supply range and 30mA per-channel requirement. PWM dimming only (no analog dimming). Active product status with ROHS3 compliance.
BD9470AEFV-E2 (Rohm Semiconductor): 6-output Step-Up topology with higher per-channel current (250mA) and 9V to 35V supply range. 28-HTSSOP package requires PCB layout adjustment. Active product with ROHS3 compliance and -40°C to 85°C operating range.
LT3598IFE#PBF (Analog Devices Inc.): 6-output Step-Up topology with dual dimming control (Analog and PWM). 24-TSSOP package similar to MP3367GR-P footprint. 3V to 30V supply range. Extended operating temperature to 125°C (TJ). Active product with ROHS3 compliance.

High Current Alternatives:

LP8552TLE/NOPB and LP8552TLX/NOPB (Texas Instruments): 6-output Step-Up topology with 450mA per-channel current capability. 2.7V to 22V supply range. 25-WFBGA package requires BGA assembly capability. Both variants active with ROHS3 compliance and MSL 1 rating.

Lower Current / Specialized Applications:

ISL97671AIRZ-TK (Renesas Electronics): 6-output Step-Up topology with 50mA per-channel. 20-QFN (3x4) package. 4.5V to 26.5V supply range with 45V output capability. Active product with ROHS3 compliance.
LP8556TME-E06/NOPB (Texas Instruments): 5-output Step-Up topology (one fewer output than MP3367GR-P). 20-DSBGA package. 2.7V to 20V supply range with 50mA per-channel. Suitable only when 5-output configuration is acceptable.

Alternative Topology (Charge Pump):

FAN5702UC15X (Fairchild Semiconductor): Switched Capacitor (Charge Pump) topology with 6 outputs. 2.7V to 5.5V supply range (low voltage only). 16-WLCSP package. I2C and PWM dimming. Suitable for low-voltage backlight applications only. Active product status.

Selection Basis:

All recommended substitutes maintain Active product status and ROHS3 compliance. Selection should prioritize parts matching the application's supply voltage range and per-channel current requirements. Package type selection depends on PCB assembly capabilities and available board space.

Frequently Asked Questions (FAQ)

Q: Can TPS61187RTJR replace MP3367GR-P in all applications?

A: TPS61187RTJR is a direct topology substitute with 6 outputs and Step-Up configuration. However, it supports PWM dimming only (no analog dimming) and has lower per-channel current (30mA vs. 150mA). It is suitable only for applications with 4.5V to 24V supply range and 30mA per-channel maximum requirement.

Q: What is the key difference between LP8552TLE/NOPB and LP8552TLX/NOPB?

A: Both parts are functionally identical with matching electrical specifications (6 outputs, 450mA per-channel, 2.7V to 22V supply). The difference is in packaging designation and supplier device package labeling. Both are interchangeable for the same application.

Q: Why does BD9470AEFV-E2 have a different package than MP3367GR-P?

A: BD9470AEFV-E2 uses 28-HTSSOP package versus MP3367GR-P's 24-VFQFN. Both are surface mount packages with exposed pads. The 28-HTSSOP package is larger and requires different PCB footprint design. This substitution requires PCB layout modification.

Q: Is FAN5702UC15X suitable as a direct replacement?

A: FAN5702UC15X uses Switched Capacitor (Charge Pump) topology, fundamentally different from MP3367GR-P's Step-Up (Boost) topology. It is limited to 2.7V to 5.5V supply range. It is suitable only for low-voltage backlight applications and is not a direct replacement for general-purpose applications.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 rating indicates the component has unlimited shelf life without moisture bake-out requirements. Parts with MSL 3 (168 Hours) require moisture bake-out before reflow soldering if storage exceeds specified time limits. MP3367GR-P and several substitutes (LP8552 variants, LT3598IFE#PBF) have MSL 1 rating, simplifying inventory management.

Q: Can LP8556TME-E06/NOPB be used if the application requires 6 outputs?

A: LP8556TME-E06/NOPB provides only 5 outputs, one fewer than MP3367GR-P's 6 outputs. This part is suitable only if the application can operate with 5 LED driver outputs. It is not a direct substitute for 6-output requirements.

Q: What is the operating temperature range difference between MP3367GR-P and LT3598IFE#PBF?

A: MP3367GR-P operating temperature is not specified in available data. LT3598IFE#PBF operates from -40°C to 125°C (TJ), providing extended high-temperature capability. For automotive-grade applications requiring temperature extremes, LT3598IFE#PBF offers superior thermal performance.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant. All parts also carry REACH Unaffected status and EAR99 ECCN classification, matching MP3367GR-P compliance profile.

Q: What is the significance of the 20-QFN (4x4) package designation for TPS61187RTJR?

A: TPS61187RTJR uses 20-QFN (4x4) package, which is physically smaller than MP3367GR-P's 24-QFN (4x4) package. The "4x4" dimension is identical, but the 20-pin count versus 24-pin count results in different pin spacing and footprint. PCB layout modification is required for substitution.

Q: Which substitute offers the highest per-channel current capability?

A: LP8552TLE/NOPB and LP8552TLX/NOPB both provide 450mA per-channel output current, the highest among all listed substitutes. These parts are suitable for high-current backlight applications exceeding MP3367GR-P's 150mA per-channel capability.

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