MAX25501ATMA/V+

LED Driver IC Overview

The MAX25501ATMA/V+ is an automotive-grade LED lighting driver IC designed for local dimming applications in car displays. It functions as a 4x24 channel modular matrix backlight driver, integrating current outputs that provide up to 72mA of LED sink current per channel. The device features source drive pins that supply columns in the matrix on a multiplexed basis. Packaged in a 48-pin LFCSP, it supports constant current topology and meets AEC-Q100 qualification standards for automotive reliability.

LED Driver IC Feature Summary

• Provides integrated current output capability with high sink current capacity per channel for precise LED control
• Supports modular matrix architecture with source drive pins operating on a multiplexed basis for column addressing
• Designed specifically for local dimming applications within automotive display systems

LED Driver IC Applications

• Local dimming for automotive LCD displays
• Modular matrix LED backlight driving
• Automotive infotainment screen illumination

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required package and temperature grade. Check for obsolescence status as automotive components may have limited lifecycle availability. Ensure ESD protection protocols are followed during handling due to sensitive internal circuitry.

LED Driver IC Selection Notes

Select this component when designing automotive displays requiring localized brightness control. It is suitable for systems needing a high channel count matrix driver with integrated current regulation. Consider the 48-pin LFCSP footprint for PCB layout constraints. Verify compatibility with the vehicle's power supply voltage and communication interface requirements before integration.

LED Driver IC Part Context

This part belongs to the MAX25500 series of LED drivers from Maxim Integrated, now part of Analog Devices. The series focuses on automotive display solutions, offering scalable channel configurations. The MAX25501 variant specifically addresses the 4x24 channel requirement, distinguishing itself from other series members by its specific matrix size and current output characteristics tailored for mid-to-large automotive screens.

LED Driver IC Replacement Considerations

Check for direct pin-compatible substitutes within the MAX25500 family. Verify if newer generation automotive drivers offer improved efficiency or additional channels. Ensure any replacement maintains AEC-Q100 certification and similar thermal performance characteristics.