MAX25603AUI/V+

LED Driver IC Overview

The MAX25603AUI/V+ is a synchronous, automotive-grade four-switch buck-boost LED controller designed for combination headlight applications. It integrates high-side and low-side drivers to regulate LED current efficiently across varying input voltages. The device supports AEC-Q100 qualification for automotive reliability. Key electrical specifications include an input voltage range of 5 V to 60 V and an output voltage capability up to 60 V. It features integrated protection mechanisms such as over-voltage, short-circuit, open-circuit, and over-temperature protection. The component is housed in a TSSOP-EP package suitable for surface-mount assembly.

LED Driver IC Feature Summary

• Synchronous four-switch buck-boost topology for efficient LED current regulation
• Integrated automotive-grade protection against over-voltage, short-circuit, and thermal faults
• Supports wide input voltage ranges compatible with automotive battery systems

LED Driver IC Applications

• Automotive combination headlight systems
• LED current regulation in vehicle lighting modules
• High-voltage LED driver circuits requiring buck-boost conversion

LED Driver IC Procurement Notes

Verify the specific suffix 'V+' indicates lead-free status and compliance with RoHS directives as per Analog Devices documentation. Confirm the package marking and date code align with project requirements. Ensure supply chain sources provide valid traceability documents. Check for any regional distribution restrictions or limited availability notices from authorized distributors before finalizing procurement plans.

LED Driver IC Selection Notes

Select this component when designing automotive lighting systems requiring a single-chip solution for buck-boost LED drive. It is appropriate for applications needing robust protection features and AEC-Q100 certification. Consider the TSSOP-EP package for thermal performance and board space constraints. Evaluate system voltage ranges to ensure compatibility with the 5 V to 60 V input specification.

LED Driver IC Part Context

The MAX25603 belongs to Maxim Integrated's family of automotive LED drivers. It complements other devices like the MAX25601 and MAX25608 by offering a specialized buck-boost architecture for headlight applications. This part addresses the need for precise current control in complex lighting matrices where input voltage fluctuates significantly during vehicle operation.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Engineers should consult official Analog Devices documentation for direct pin-to-pin replacements or functional equivalents within the same product family.