MAX20051EAUD/V+

LED Driver IC Overview

The MAX20051EAUD/V+ is a high-efficiency, synchronous-buck LED driver designed for automotive and industrial applications. It integrates a 0.14Ω typical MOSFET to support up to 2A output current. The device operates with a wide input voltage range of 4.5V to 65V, ensuring compatibility with various power sources. It offers two selectable switching frequencies: 400kHz and 2.1MHz, allowing optimization for external component size and efficiency. Internal loop compensation simplifies design implementation.

LED Driver IC Feature Summary

• Integrates a low-on-resistance synchronous MOSFET for high efficiency
• Supports wide input voltage range from 4.5V to 65V
• Features selectable switching frequencies for design flexibility
• Includes internal loop compensation to reduce external component count

LED Driver IC Applications

• Automotive exterior lighting systems
• Industrial LED illumination
• High-voltage LED string driving

LED Driver IC Procurement Notes

Verify the complete part number including suffixes against official Analog Devices documentation to ensure correct package and temperature grade. Confirm that the specific variant matches the required switching frequency configuration and thermal performance specifications for the target application environment before procurement.

LED Driver IC Selection Notes

Select this component when a robust, high-voltage LED driver is required with integrated power switching capabilities. Consider the 4.5V-65V input range and 2A output capability as primary constraints. Evaluate the trade-off between the 400kHz and 2.1MHz switching frequencies based on inductor size requirements and electromagnetic interference considerations in the final system design.

LED Driver IC Part Context

This device belongs to the MAX20051 family of synchronous-buck LED drivers manufactured by Analog Devices Inc./Maxim Integrated. It is specifically engineered for applications requiring precise current regulation and high efficiency in harsh environments. The integration of the power MOSFET distinguishes it from discrete solutions, offering a compact footprint and simplified thermal management.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult official manufacturer cross-reference guides for potential alternatives.