LM5022MMX Equivalent & Substitute Parts

Part Overview

The LM5022MMX is a Boost/SEPIC Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC manufactured by Texas Instruments in a 10-VSSOP package. This device functions as a transistor driver for boost and SEPIC topologies with a single positive output phase. The LM5022MMX is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. Active alternatives with identical or superior electrical specifications are available from Texas Instruments within the same LM5022 base product family.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Base Product Number	LM5022
Category	Power Management (PMIC)
Function	Step-Up, Step-Up/Step-Down
Topology	Boost, SEPIC
Output Type	Transistor Driver
Output Configuration	Positive
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	6V ~ 60V
Frequency - Switching	200kHz ~ 990kHz
Duty Cycle (Max)	95%
Synchronous Rectifier	No
Clock Sync	Yes
Control Features	Frequency Control, Soft Start
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package	10-VSSOP

Substitute Part Grouping Explanation

Substitution for the LM5022MMX is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Identical base product number (LM5022)
Matching supply voltage range (6V ~ 60V)
Matching switching frequency range (200kHz ~ 990kHz minimum)
Identical output type, function, topology, and configuration
Matching duty cycle maximum (95%)
Identical control features (Frequency Control, Soft Start)
Matching operating temperature range (-40°C ~ 125°C)

Mechanical Equivalence Criteria:

Surface mount mounting type
10-VSSOP package / case specification
Identical pin count and footprint

Compliance Criteria:

RoHS3 compliance status
REACH unaffected status
Identical ECCN and HTSUS classifications

Substitute parts are grouped into two categories: direct manufacturer equivalents with identical packaging and parametric equivalents with enhanced specifications or automotive qualification.

Parameter Comparison

Parameter	LM5022MMX	LM5022MMX/NOPB	LM5022MM/NOPB	LM5022MME/NOPB	LM5022QDGSRQ1	LM5022QDGSTQ1
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active	Active	Active	Active
Voltage - Supply (Vcc/Vdd)	6V ~ 60V	6V ~ 60V	6V ~ 60V	6V ~ 60V	6V ~ 60V	6V ~ 60V
Frequency - Switching	200kHz ~ 990kHz	200kHz ~ 990kHz	200kHz ~ 990kHz	200kHz ~ 990kHz	200kHz ~ 2.24MHz	200kHz ~ 2.24MHz
Duty Cycle (Max)	95%	95%	95%	95%	95%	95%
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package	10-VSSOP	10-VSSOP	10-VSSOP	10-VSSOP	10-VSSOP	10-VSSOP
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Packaging Option	-	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
Grade	-	-	-	-	Automotive	Automotive
Qualification	-	-	-	-	AEC-Q100	AEC-Q100

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

LM5022MMX/NOPB, LM5022MM/NOPB, and LM5022MME/NOPB are direct parametric equivalents with identical electrical specifications and 10-VSSOP packaging. All three are active products with RoHS3 compliance, addressing the obsolescence of the original LM5022MMX. Selection among these three should be based on packaging preference (Cut Tape & Digi-Reel® options) and inventory availability. LM5022MM/NOPB offers the highest inventory level at 17,400 pieces.

For Enhanced Specifications and Automotive Applications:

LM5022QDGSRQ1 and LM5022QDGSTQ1 provide extended switching frequency capability (200kHz ~ 2.24MHz) and automotive-grade qualification (AEC-Q100). These parts are suitable for designs requiring higher switching frequencies or automotive-qualified components. LM5022QDGSTQ1 is available in Tape & Reel packaging with significantly higher inventory (109,354 pieces) and is recommended for high-volume production requiring automotive qualification.

Compliance Considerations:

All active substitute parts meet RoHS3 and REACH requirements. The original LM5022MMX is RoHS non-compliant; migration to any active substitute ensures regulatory compliance for new designs and production runs.

Frequently Asked Questions (FAQ)

Q: Can LM5022MMX be directly replaced with LM5022MMX/NOPB?

A: Yes. LM5022MMX/NOPB is a direct equivalent with identical electrical and mechanical specifications. The primary difference is product status (active vs. obsolete) and RoHS3 compliance. Both use the 10-VSSOP package.

Q: What is the difference between LM5022MM/NOPB and LM5022MME/NOPB?

A: Both are parametric equivalents with identical electrical specifications and 10-VSSOP packaging. The difference lies in packaging options and inventory levels. LM5022MM/NOPB has higher inventory availability (17,400 pieces vs. 2,650 pieces).

Q: Are LM5022QDGSRQ1 and LM5022QDGSTQ1 compatible with LM5022MMX?

A: Yes, with enhanced specifications. Both support extended switching frequency (up to 2.24MHz vs. 990kHz) and carry automotive-grade qualification (AEC-Q100). They are pin-compatible in the 10-VSSOP package and suitable for applications requiring higher switching frequencies or automotive compliance.

Q: What is the packaging difference between LM5022QDGSRQ1 and LM5022QDGSTQ1?

A: LM5022QDGSRQ1 is supplied in Cut Tape & Digi-Reel® packaging, while LM5022QDGSTQ1 is supplied in Tape & Reel (TR) packaging. Both are automotive-qualified with identical electrical specifications.

Q: Why should I migrate from LM5022MMX to an active substitute?

A: The LM5022MMX is obsolete and no longer manufactured. Active substitutes ensure long-term supply chain continuity, RoHS3 compliance, and access to current manufacturing processes. All recommended substitutes maintain identical or superior electrical performance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All active substitute parts (LM5022MMX/NOPB, LM5022MM/NOPB, LM5022MME/NOPB, LM5022QDGSRQ1, and LM5022QDGSTQ1) are RoHS3 compliant. The original LM5022MMX is RoHS non-compliant.

Q: Can I use LM5022QDGSTQ1 in non-automotive applications?

A: Yes. LM5022QDGSTQ1 is automotive-qualified but not restricted to automotive use. It provides identical functionality to standard-grade equivalents with extended switching frequency capability and higher inventory availability, making it suitable for any application requiring the LM5022 controller.

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