A6210GEUTR-T LED Driver IC Equivalent & Substitute Parts

Part Overview

The A6210GEUTR-T is an LED Driver IC manufactured by Allegro MicroSystems, designed as a 1-output DC-DC regulator with step-down (buck) topology and PWM dimming capability. This component delivers 3A output current at 2MHz switching frequency and operates across a 9V to 46V supply range. The device is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility while meeting current product availability and compliance standards.

Key Parameters

Parameter	A6210GEUTR-T
Manufacturer	Allegro MicroSystems
Type	DC DC Regulator
Topology	Step-Down (Buck)
Number of Outputs	1
Voltage - Supply (Min)	9V
Voltage - Supply (Max)	46V
Current - Output / Channel	3A
Frequency	2MHz
Dimming	PWM
Operating Temperature	-40°C ~ 105°C (TA)
Package / Case	16-WQFN Exposed Pad
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the A6210GEUTR-T are selected based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

Topology: Step-Down (Buck) configuration required
Number of Outputs: Single output only
Current Capability: Minimum 3A output current (or close equivalent for reduced-current applications)
Supply Voltage Range: Overlap with 9V to 46V input specification
Dimming Method: PWM dimming support
Package Type: Surface mount with exposed pad preferred for thermal performance
Compliance: ROHS3 compliant preferred for regulatory alignment

Substitution Logic: Parts are grouped into two categories based on current output capability. Primary substitutes maintain 3A or higher output current, ensuring direct replacement capability. Secondary substitutes provide 1A to 1.5A output current and are suitable for applications where lower current capacity is acceptable. All substitute parts maintain step-down buck topology and PWM dimming functionality.

Parameter Comparison

Parameter	A6210GEUTR-T	MP2480DN-LF	LM3406HVMH/NOPB	LM3414MRX/NOPB	MIC3202-1YME-TR	IS31LT3353-V1STLS2-TR	LM3402MM/NOPB
Manufacturer	Allegro MicroSystems	Monolithic Power Systems Inc.	Texas Instruments	Texas Instruments	Microchip Technology	ISSI	Texas Instruments
Type	DC DC Regulator	DC DC Regulator	DC DC Regulator	DC DC Regulator	DC DC Regulator	DC DC Regulator	DC DC Regulator
Topology	Step-Down (Buck)	Step-Down (Buck)	Step-Down (Buck)	Step-Down (Buck)	Step-Down (Buck)	Step-Down (Buck)	Step-Down (Buck)
Number of Outputs	1	1	1	1	1	1	1
Voltage - Supply (Min)	9V	5V	6V	4.5V	6V	6V	6V
Voltage - Supply (Max)	46V	36V	75V	42V	37V	40V	42V
Current - Output / Channel	3A	3A (Switch)	1.5A	1A	1A	1A (Switch)	500mA
Frequency	2MHz	2MHz	10kHz ~ 1MHz	500kHz	1MHz	1MHz	1MHz
Dimming	PWM	PWM	PWM	Analog, PWM	PWM	Analog, PWM	PWM
Operating Temperature	-40°C ~ 105°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TJ)
Package / Case	16-WQFN Exposed Pad	8-SOIC (0.154", 3.90mm Width) Exposed Pad	14-PowerTSSOP (0.173", 4.40mm Width)	8-PowerSOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width) Exposed Pad	SC-74A, SOT-753	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitute: MP2480DN-LF

The MP2480DN-LF from Monolithic Power Systems Inc. is the closest functional equivalent to the A6210GEUTR-T. It maintains identical 3A output current and 2MHz switching frequency specifications, operates across a 5V to 36V supply range (overlapping the original 9V to 46V specification), and provides PWM dimming capability. The device is ROHS3 compliant and currently active in production. The 8-SOIC package with exposed pad provides adequate thermal performance for LED driver applications. This part is suitable for direct replacement in designs where the maximum supply voltage requirement does not exceed 36V.

Secondary Substitutes for Reduced-Current Applications:

When output current requirements can be reduced below 3A, the following active parts provide functional alternatives:

LM3406HVMH/NOPB (Texas Instruments): 1.5A output, 6V to 75V supply range, automotive-grade, 14-HTSSOP package. Suitable for applications requiring extended high-voltage capability up to 75V.
LM3414MRX/NOPB (Texas Instruments): 1A output, 4.5V to 42V supply range, automotive-grade, supports both analog and PWM dimming, 8-SO PowerPad package.
MIC3202-1YME-TR (Microchip Technology): 1A output, 6V to 37V supply range, 8-SOIC-EP package, active product status with full compliance.
IS31LT3353-V1STLS2-TR (ISSI): 1A output, 6V to 40V supply range, supports analog and PWM dimming, SOT-23-5 package, active product status.
LM3402MM/NOPB (Texas Instruments): 500mA output, 6V to 42V supply range, 8-VSSOP package, lowest current option for minimal power applications.

All recommended substitutes are ROHS3 compliant and currently in active production status, ensuring long-term availability and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can MP2480DN-LF directly replace A6210GEUTR-T in all applications?

A: MP2480DN-LF is functionally compatible for applications where the maximum input supply voltage does not exceed 36V. The original A6210GEUTR-T supports up to 46V. If your design requires operation above 36V, the LM3406HVMH/NOPB (75V maximum) is recommended instead.

Q: What is the primary difference between the A6210GEUTR-T package and substitute part packages?

A: The A6210GEUTR-T uses a 16-WQFN (4x4) package, while most substitutes use smaller packages (8-SOIC, 8-VSSOP, or 14-HTSSOP). PCB layout modifications are required. The 16-QFN package provides a larger exposed pad for superior thermal dissipation; verify thermal performance in your application before selecting a smaller-package substitute.

Q: Are all substitute parts PWM dimming capable?

A: Yes, all listed substitutes support PWM dimming. Some parts (LM3414MRX/NOPB, IS31LT3353-V1STLS2-TR) additionally support analog dimming, providing design flexibility.

Q: Which substitute is best for automotive applications?

A: LM3406HVMH/NOPB and LM3414MRX/NOPB are both automotive-grade parts. LM3406HVMH/NOPB offers higher current (1.5A) and extended voltage range (75V maximum), while LM3414MRX/NOPB provides dual dimming modes (analog and PWM).

Q: What is the impact of switching frequency differences on circuit design?

A: The A6210GEUTR-T operates at 2MHz, matching MP2480DN-LF exactly. Other substitutes operate at 1MHz or lower frequencies. Lower switching frequencies may require larger output filter components. Verify inductor and capacitor specifications in your design when selecting parts with different switching frequencies.

Q: Are all substitutes ROHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant, meeting current regulatory requirements for hazardous substance restrictions.

Q: What moisture sensitivity level considerations apply to these parts?

A: The A6210GEUTR-T has MSL 2 (1 Year). Most substitutes have MSL 3 (168 Hours), requiring more careful handling during storage and assembly. Verify your manufacturing process can accommodate MSL 3 requirements if selecting these alternatives.

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