MAX25603AUI/V+T

LED Driver IC Overview

The MAX25603AUI/V+T is an automotive-grade LED lighting driver IC featuring a synchronous high-voltage four-switch buck-boost topology. Designed for matrix LED systems, it regulates LED current for string voltages ranging from 0V to 60V. The device operates within a switching frequency range of 200 kHz to 440 kHz and supports both analog and PWM dimming methods. It is housed in a 28-pin TSSOP-EP package and qualified to AEC-Q100 standards for operation between -40°C and +125°C.

LED Driver IC Feature Summary

• Integrates a synchronous four-switch buck-boost converter architecture capable of regulating LED current across wide input voltage variations.
• Supports flexible dimming control through both analog and pulse-width modulation (PWM) interfaces.
• Engineered specifically for automotive applications with AEC-Q100 qualification and extended temperature rating.

LED Driver IC Applications

• Automotive matrix LED headlight systems
• High-power LED string regulation
• Advanced driving assistance system (ADAS) lighting

LED Driver IC Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm exact packaging and tape-and-reel specifications. Confirm that the component meets the required AEC-Q100 reliability standards for your target automotive application. Ensure the operating temperature range aligns with your system's thermal design constraints.

LED Driver IC Selection Notes

Select this component when designing automotive lighting systems requiring precise current regulation for LED strings with varying voltage drops. The integrated buck-boost topology simplifies design by handling both step-up and step-down requirements without external complex circuitry. Consider the 28-pin TSSOP-EP package for its thermal performance and pin count suitable for matrix configurations.

LED Driver IC Part Context

This part belongs to the MAX2560x series of automotive LED drivers from Analog Devices/Maxim Integrated. It complements other devices like the MAX25601 and MAX25608 by offering a dedicated solution for high-voltage buck-boost applications. The series focuses on providing robust, qualified components for modern vehicle lighting architectures.

LED Driver IC Replacement Considerations

Check for direct substitutes such as the MAX25603AUI/V+ or variants within the same family. Verify pinout compatibility and electrical specifications before substitution. No other specific cross-references are confirmed in public data.