MAX25611DAUD/V+T

LED Driver IC Overview

The MAX25611DAUD/V+T is an automotive-grade LED driver IC designed for high-voltage applications. It integrates synchronous boost and synchronous buck converters to support various LED topologies including SEPIC, step-down (buck), and step-up (boost). The device operates with a supply voltage range of 5 V to 48 V and supports output currents up to 1.5 A. It features a fixed switching frequency of 2.2 MHz and offers both analog and PWM dimming capabilities. The component is housed in a 14-TSSOP package and is qualified under the AEC-Q100 standard for automotive reliability.

LED Driver IC Feature Summary

• Supports multiple converter topologies including synchronous boost, synchronous buck, and SEPIC configurations for flexible LED drive designs.
• Provides dual dimming control methods supporting both analog current regulation and pulse-width modulation signals.
• Engineered for automotive environments with operation across extended temperature ranges and compliance with AEC-Q100 standards.

LED Driver IC Applications

• Automotive headlamp systems
• High-beam LED modules
• Vehicle interior lighting controls

LED Driver IC Procurement Notes

Verify the specific suffix 'V+' indicates RoHS compliance and lead-free manufacturing status as per the manufacturer's datasheet. Confirm the tape-and-reel packaging format matches your automated assembly requirements. Ensure the design accounts for the 14-TSSOP thermal pad soldering specifications to maintain reliable operation within the specified -40°C to 125°C ambient temperature range.

LED Driver IC Selection Notes

Select this component when designing high-voltage automotive LED drivers requiring integrated power switches. It is suitable for applications needing adjustable output voltage and current control via external resistors or digital interfaces. Consider the 2.2 MHz switching frequency for balancing efficiency and external component size. Verify that the input voltage range aligns with the vehicle's electrical system specifications.

LED Driver IC Part Context

This part belongs to the MAX25611 series of automotive LED controllers from Analog Devices/Maxim Integrated. The series is characterized by its ability to drive high-power LEDs in demanding automotive environments. The DAUD variant specifically denotes the 14-lead TSSOP package option, distinguishing it from other pin-count variants within the same functional family.

LED Driver IC Replacement Considerations

Consult official substitution guides for direct equivalents. Cross-reference with other MAX25611 variants if package differences are acceptable. Verify compatibility with existing PCB footprints and thermal management solutions before transitioning to alternative part numbers.