MAX25610AAUE+

LED Driver IC Overview

The MAX25610AAUE+ is a synchronous buck and buck-boost LED driver and DC-DC converter designed for high-voltage input applications. It integrates two 60mΩ power MOSFETs to support efficient power conversion. The device operates with an input voltage range of 5V to 36V and provides a maximum output voltage of 32V at 3A. It features a typical switching frequency of 400kHz and supports analog and PWM dimming. Qualified under AEC-Q100 standards, it functions within an operating temperature range of -40°C to 125°C (TA) in a TSSOP-EP package.

LED Driver IC Feature Summary

• Integrates two low-resistance 60mΩ power MOSFETs for efficient synchronous rectification
• Supports both synchronous buck and buck-boost topologies for flexible LED driving
• Enables precise light control through combined analog and PWM dimming capabilities
• Automotive-grade qualification ensures reliability in demanding thermal environments

LED Driver IC Applications

• Automotive high-voltage HB LED lighting systems
• Industrial lighting applications requiring high-voltage inputs
• General-purpose LED driver circuits in automotive sectors

LED Driver IC Procurement Notes

Verify the specific suffix (+ or +T) to confirm packaging type, as tape-and-reel variants may differ from tube packaging. Confirm AEC-Q100 qualification status is required for your specific automotive application tier. Ensure the TSSOP-EP thermal pad is properly connected to the PCB ground plane for optimal heat dissipation during operation.

LED Driver IC Selection Notes

Select this component when a single IC must handle both step-down and step-up requirements for LED strings. The integrated MOSFETs reduce external component count compared to discrete solutions. Verify that the 3A output current meets the load requirements and that the 400kHz frequency aligns with EMI constraints. Ensure the input voltage range covers the system's minimum and maximum supply conditions.

LED Driver IC Part Context

This part belongs to the MAX2561x family of LED drivers from Maxim Integrated, now part of Analog Devices. The series focuses on high-voltage automotive and industrial lighting solutions. The AAUE variant specifically denotes the automotive grade with enhanced reliability specifications compared to commercial counterparts.

LED Driver IC Replacement Considerations

Check for direct pin-compatible upgrades within the MAX2561x family. Verify if higher current variants are available if load requirements increase. Ensure any substitute maintains the same buck-boost topology and AEC-Q100 qualification level.