LM3410YQMF/NOPB

Overview

The LM3410YQMF/NOPB is an automotive-grade LED lighting driver IC from Texas Instruments, certified to AEC-Q100 standards. It utilizes a boost or SEPIC topology to deliver a constant current output of up to 2.8 A. The device operates within an input voltage range of 2.7 V to 5.5 V and supports adjustable switching frequencies between 360 kHz and 680 kHz. It provides an adjustable output voltage capability from 3 V to 24 V. The component is housed in a compact SOT-23-5 package and is designed for reliable operation across a wide temperature range from -40°C to +125°C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for enhanced reliability in vehicle environments.
• Integrated precision dimming control circuitry enabling accurate LED brightness adjustment.
• Built-in thermal shutdown protection mechanism to safeguard the device during overheating conditions.
• Supports both boost and SEPIC converter topologies for flexible LED string configuration.

Applications

• Automotive exterior lighting systems
• Automotive interior ambient lighting
• LED headlamp modules
• Daytime running light circuits

Procurement Notes

Verify that the specific suffix 'YQMF' corresponds to the required tape-and-reel packaging format and moisture sensitivity level intended for your assembly line processes. Confirm that the AEC-Q100 qualification status meets your specific automotive OEM requirements. Ensure the SOT-23-5 footprint matches your PCB design guidelines. Cross-reference the datasheet revision date to ensure compatibility with your current design specifications.

Selection Notes

Select this component when designing automotive LED drivers requiring a low input voltage range compatible with single-cell battery systems. The choice is appropriate for applications needing high efficiency via boost or SEPIC topologies. Consider the 2.8 A current limit for driving multiple parallel LED strings or high-power single LEDs. The wide operating temperature range makes it suitable for harsh under-hood or exterior mounting locations.

Part Context

This part belongs to the LM3410 family of LED drivers from Texas Instruments. The 'Q' designation indicates automotive qualification, while 'Y' typically denotes specific packaging or testing variations. The 'NOPB' suffix signifies lead-free and RoHS compliance. This series is engineered specifically for automotive lighting applications, distinguishing it from general-purpose industrial counterparts by its rigorous environmental and reliability testing protocols.

Replacement Considerations

Check for direct pin-compatible alternatives within the LM3410 family that may offer different frequency ranges or current capabilities. Verify if newer revisions of the same part number are available with updated packaging options. Ensure any substitute maintains the AEC-Q100 certification if automotive use is required.

FAQ

What topologies does the LM3410YQMF/NOPB support?

It supports both boost and SEPIC (Single-Ended Primary Inductor Converter) topologies.

Is this component qualified for automotive use?

Yes, it is qualified according to the AEC-Q100 standard for grade 1 components.

What is the maximum output current capability?

The device can deliver a constant current output of up to 2.8 A.