MP3307GJ-Z LED Driver IC Equivalent & Substitute Parts

Part Overview

The MP3307GJ-Z is a LED Driver IC manufactured by Monolithic Power Systems Inc., classified as a Power Management PMIC. This device functions as a single-output DC-DC regulator with Step-Up (Boost) topology, delivering 1.6A output current with integrated PWM and Analog dimming capabilities. The part operates across a 2.7V to 5.5V supply range and is housed in a TSOT-23-8 package for surface mount applications.

The MP3307GJ-Z maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching or compatible electrical specifications, package form factors, and functional topology to ensure direct or near-direct replacement capability in LED driver applications.

Key Parameters

Parameter	Value
Manufacturer	Monolithic Power Systems Inc.
Part Number	MP3307GJ-Z
Category	Power Management (PMIC)
Type	DC DC Regulator
Topology	Step-Up (Boost)
Package	TSOT-23-8
Supply Voltage Range	2.7V – 5.5V
Output Current	1.6A
Switching Frequency	2.22MHz
Dimming Control	Analog, PWM
Operating Temperature	-40°C to 125°C (TJ)
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the MP3307GJ-Z are categorized based on the following substitution criteria:

Parametric Equivalents match the core electrical specifications: Step-Up (Boost) topology, 2.7V–5.5V supply range, 1.6A output capability, PWM/Analog dimming, and TSOT-23-8 package form factor. These parts are direct functional replacements with identical pin configurations and control interfaces.

Manufacturer-Recommended Alternatives provide functional equivalence with allowable variations in one or more parameters:

Package form factor differences (e.g., 10-LFCSP, SOT-23-6, DSBGA) while maintaining surface mount compatibility
Output current ratings between 550mA and 1.5A (acceptable for applications with lower current requirements)
Supply voltage ranges that encompass or exceed the 2.7V–5.5V specification
Dimming control methods (PWM, Analog, or I2C) suitable for LED driver applications
Operating temperature ranges from -40°C to 85°C or -40°C to 125°C

All substitute parts maintain Step-Up (Boost) topology, internal switching capability, single output configuration, and ROHS3 compliance. Product status (Active or Not For New Designs) is noted for design consideration.

Parameter Comparison

Part Number	Manufacturer	Package	Supply Voltage (Min–Max)	Output Current	Frequency	Dimming	Temp Range	Product Status
MP3307GJ-Z	Monolithic Power Systems	TSOT-23-8	2.7V–5.5V	1.6A	2.22MHz	Analog, PWM	-40°C to 125°C	Active
MP3307GJ-P	Monolithic Power Systems	TSOT-23-8	2.7V–5.5V	1.6A	2.22MHz	Analog, PWM	-40°C to 125°C	Active
ADP1650ACPZ-R7	Analog Devices Inc.	10-LFCSP-WD (3x3)	2.7V–5V	1.5A (Flash)	1.5MHz, 3MHz	I2C	-40°C to 85°C	Active
AP3019AKTR-G1	Diodes Incorporated	SOT-23-6	2.5V–16V	550mA (Switch)	1.2MHz	PWM	-40°C to 85°C	Active
AP5725WUG-7	Diodes Incorporated	TSOT-23-6	2.7V–5.5V	750mA (Switch)	1.2MHz	PWM	-40°C to 85°C	Active
AP5726WUG-7	Diodes Incorporated	TSOT-23-6	2.7V–5.5V	750mA (Switch)	1.2MHz	PWM	-40°C to 85°C	Active
BD60A00NUX-TR	Rohm Semiconductor	8-UFDFN Exposed Pad	2.7V–5.5V	30mA	600kHz	PWM	-40°C to 85°C	Not For New Designs
LM3561TME/NOPB	Texas Instruments	12-DSBGA	2.5V–5.5V	600mA (Flash)	2MHz	I2C	-40°C to 85°C	Active
LM3642TLE/NOPB	Texas Instruments	9-DSBGA (1.6x1.6)	2.5V–5.5V	1.5A (Flash)	4MHz	I2C	-40°C to 85°C	Active
LM3642TLX/NOPB	Texas Instruments	9-DSBGA (1.6x1.6)	2.5V–5.5V	1.5A (Flash)	4MHz	I2C	-40°C to 85°C	Active
LT3465AES6#TRMPBF	Analog Devices Inc.	TSOT-23-6	2.7V–16V	225mA (Switch)	2.4MHz	PWM	-40°C to 85°C	Active

Engineering Selection Recommendations

Direct Replacement (Parametric Equivalent): MP3307GJ-P is a parametric equivalent to MP3307GJ-Z, offering identical electrical specifications, package form factor, and control interface. Both parts are manufactured by Monolithic Power Systems Inc., maintain Active product status, and carry ROHS3 compliance. Selection between these two variants depends on packaging format availability (Tape & Reel vs. alternative packaging) and inventory requirements.

High-Compatibility Alternatives: AP5725WUG-7 and AP5726WUG-7 (Diodes Incorporated) provide functional substitution with matching 2.7V–5.5V supply range and TSOT-23-6 package compatibility. Output current is reduced to 750mA, suitable for applications with lower current demands. Both maintain PWM dimming capability and Active product status with ROHS3 compliance.

I2C Dimming Alternatives: ADP1650ACPZ-R7, LM3561TME/NOPB, LM3642TLE/NOPB, and LM3642TLX/NOPB offer I2C-based dimming control instead of PWM/Analog methods. These parts are suitable for applications requiring digital dimming interface. Output current ratings (1.5A for Analog Devices and Texas Instruments parts, 600mA for LM3561) accommodate various LED driver requirements. All maintain Active product status and ROHS3 compliance.

Lower Current Applications: LT3465AES6#TRMPBF (Analog Devices Inc.) and AP3019AKTR-G1 (Diodes Incorporated) are suitable for reduced-current LED driver applications. LT3465AES6#TRMPBF supports 225mA output with extended supply voltage range (2.7V–16V). AP3019AKTR-G1 delivers 550mA with broad supply range (2.5V–16V). Both maintain Active status and ROHS3 compliance.

Legacy Consideration: BD60A00NUX-TR (Rohm Semiconductor) carries "Not For New Designs" status and is included for reference only in legacy system maintenance scenarios. This part delivers 30mA output current and is not recommended for new product development.

Frequently Asked Questions (FAQ)

Q: Can MP3307GJ-P be used as a direct replacement for MP3307GJ-Z? A: Yes. MP3307GJ-P is a parametric equivalent with identical electrical specifications, package form factor (TSOT-23-8), supply voltage range (2.7V–5.5V), output current (1.6A), dimming control (Analog, PWM), and operating temperature range (-40°C to 125°C). Both are manufactured by Monolithic Power Systems Inc. and maintain Active product status with ROHS3 compliance.

Q: What is the primary difference between PWM and I2C dimming control? A: PWM (Pulse Width Modulation) dimming uses analog voltage signals to control LED brightness through switching duty cycle. I2C dimming employs digital communication protocol for brightness control. Selection depends on system architecture and microcontroller interface requirements. Parts with I2C dimming (ADP1650ACPZ-R7, LM3561TME/NOPB, LM3642TLE/NOPB, LM3642TLX/NOPB) require I2C-compatible host systems.

Q: Are package form factor differences significant for substitution? A: Yes. While electrical specifications may match, package differences affect PCB layout, thermal management, and assembly compatibility. MP3307GJ-Z uses TSOT-23-8 (8-pin thin SOT-23). Alternatives such as ADP1650ACPZ-R7 (10-LFCSP), LM3561TME/NOPB (12-DSBGA), and LM3642TLE/NOPB (9-DSBGA) require different PCB footprints and may offer improved thermal performance. Verify PCB design compatibility before substitution.

Q: Can I use AP5725WUG-7 or AP5726WUG-7 if my application requires 1.6A output? A: No. AP5725WUG-7 and AP5726WUG-7 deliver 750mA (Switch) output current, which is insufficient for applications requiring 1.6A. These parts are suitable only for applications with maximum current demand of 750mA. For 1.6A requirements, use MP3307GJ-Z, MP3307GJ-P, or ADP1650ACPZ-R7 (1.5A Flash rating).

Q: What does "Not For New Designs" status mean for BD60A00NUX-TR? A: "Not For New Designs" indicates the manufacturer has discontinued active development and recommends against using this part in new product designs. BD60A00NUX-TR is retained for legacy system support and maintenance only. For new designs, select from Active-status alternatives such as MP3307GJ-Z, AP5725WUG-7, or LT3465AES6#TRMPBF.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, meeting environmental and regulatory requirements equivalent to the MP3307GJ-Z.

Q: What is the significance of operating temperature range differences (-40°C to 125°C vs. -40°C to 85°C)? A: MP3307GJ-Z operates to 125°C junction temperature (TJ), providing extended thermal margin for high-temperature applications. Most substitute parts operate to 85°C ambient temperature (TA), which is lower. For applications requiring operation above 85°C ambient, MP3307GJ-Z or MP3307GJ-P are required. For standard ambient conditions (≤85°C), substitute parts are acceptable.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message