LM3532TMX-40/NOPB Equivalent & Substitute Parts

Part Overview

The LM3532TMX-40/NOPB is a LED Driver IC with integrated 3-output DC-DC regulator featuring step-up (boost) topology and PWM dimming capability. This component is designed for backlight applications requiring 40V output at 30mA per channel with input supply range of 2.7V to 5.5V. The part is currently classified as obsolete, making identification of active equivalent alternatives essential for ongoing production and design continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	LM3532TMX-40/NOPB
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Type	DC DC Regulator
Topology	Step-Up (Boost)
Number of Outputs	3
Voltage - Supply (Min)	2.7V
Voltage - Supply (Max)	5.5V
Voltage - Output	40V
Current - Output / Channel	30mA
Frequency	500kHz
Dimming	PWM
Package / Case	16-WFBGA, DSBGA
Supplier Device Package	16-DSBGA
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the LM3532TMX-40/NOPB are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

DC-DC Regulator topology: Step-Up (Boost)
Number of outputs: 3
Input voltage range: 2.7V to 5.5V
Output voltage: 40V
Output current per channel: 30mA
Switching frequency: 500kHz
Dimming method: PWM
Package type: 16-DSBGA
Internal switch configuration: Yes
Operating temperature range: -40°C to 125°C

All identified substitutes maintain identical electrical specifications and package footprint compatibility with the main part number.

Parameter Comparison

Parameter	LM3532TMX-40/NOPB	LM3532TME-40A/NOPB	LM3532TMX-40A/NOPB
Manufacturer	Texas Instruments	Texas Instruments	National Semiconductor
Product Status	Obsolete	Active	Active
Type	DC DC Regulator	DC DC Regulator	DC DC Regulator
Topology	Step-Up (Boost)	Step-Up (Boost)	Step-Up (Boost)
Number of Outputs	3	3	3
Voltage - Supply (Min)	2.7V	2.7V	2.7V
Voltage - Supply (Max)	5.5V	5.5V	5.5V
Voltage - Output	40V	40V	40V
Current - Output / Channel	30mA	30mA	30mA
Frequency	500kHz	500kHz	500kHz
Dimming	PWM	PWM	PWM
Package / Case	16-WFBGA, DSBGA	16-WFBGA, DSBGA	16-WFBGA, DSBGA
Supplier Device Package	16-DSBGA	16-DSBGA	16-DSBGA
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging	Not specified	Tape & Reel (TR)	Bulk
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)

Engineering Selection Recommendations

LM3532TME-40A/NOPB is the primary recommended substitute. This part maintains active product status with Texas Instruments, ensuring long-term availability and support. All electrical parameters and package specifications are identical to the obsolete LM3532TMX-40/NOPB. The Tape & Reel packaging format is suitable for automated assembly processes. Moisture sensitivity level remains at MSL 1, matching the original part's handling requirements.

LM3532TMX-40A/NOPB is an alternative substitute manufactured by National Semiconductor. This part is also active and maintains identical electrical specifications and package footprint. The Bulk packaging format may require different handling procedures. The moisture sensitivity level is rated at MSL 3 (168 hours), requiring more stringent moisture control during storage and handling compared to the original part.

Both substitutes are ROHS3 compliant and REACH unaffected, maintaining regulatory compliance with the original design.

Frequently Asked Questions (FAQ)

Q: Can LM3532TME-40A/NOPB be used as a direct replacement for LM3532TMX-40/NOPB?

A: Yes. Both parts share identical electrical specifications including input voltage range (2.7V to 5.5V), output voltage (40V), output current (30mA per channel), switching frequency (500kHz), and package type (16-DSBGA). The primary difference is product status: LM3532TME-40A/NOPB is active while the original is obsolete.

Q: What is the difference between LM3532TME-40A/NOPB and LM3532TMX-40A/NOPB?

A: Both parts are electrically equivalent with identical DC-DC regulator specifications. The differences are: manufacturer (Texas Instruments vs. National Semiconductor), packaging format (Tape & Reel vs. Bulk), and moisture sensitivity level (MSL 1 vs. MSL 3). MSL 3 requires moisture control during storage with a 168-hour floor life limit after bag opening.

Q: Are there any package footprint differences between these substitutes?

A: No. All three parts use the 16-DSBGA package with identical footprint dimensions (2.5x2.12mm). PCB layout and reflow profiles remain unchanged.

Q: Which substitute should be selected for new designs?

A: LM3532TME-40A/NOPB is recommended for new designs due to active product status with Texas Instruments, ensuring continued availability and technical support.

Q: What compliance certifications apply to these substitutes?

A: All three parts are ROHS3 compliant and REACH unaffected, maintaining regulatory compliance across EU and international markets.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message