MAX20051BAUD/V+T

LED Driver IC Overview

The MAX20051BAUD/V+T is a 2A synchronous buck LED driver IC from Analog Devices Inc./Maxim Integrated. It features an integrated 0.14Ω typical MOSFET and supports wide input supply voltages ranging from 4.5V to 65V. The device offers two selectable switching frequencies: 400kHz and 2.1MHz, with an output voltage range of 4.875V to 5.125V. Designed for automotive applications, it holds AEC-Q100 qualification. The component utilizes PWM dimming for analog control and is housed in a TDFN-EP-14 package.

LED Driver IC Feature Summary

• Fully synchronous 2A step-down converter architecture with integrated power MOSFETs
• Wide input voltage capability supporting up to 65V for robust automotive operation
• Configurable switching frequency options to optimize external component size and efficiency
• Analog PWM dimming interface for precise LED brightness control

LED Driver IC Applications

• Automotive exterior lighting systems
• High-power LED illumination drivers
• Industrial DC-DC regulation requiring high input voltage tolerance

LED Driver IC Procurement Notes

Verify the specific suffix 'T&R' indicates tape-and-reel packaging configuration when ordering. Confirm that the BAUD variant meets the required thermal performance for the intended enclosure. Ensure the 4.5V to 65V input range aligns with the system's transient voltage specifications. Check for AEC-Q100 certification requirements if deploying in regulated automotive environments.

LED Driver IC Selection Notes

Select this component when a high-efficiency synchronous buck topology is required for driving LEDs from high-voltage sources. The integrated MOSFET simplifies design by reducing external component count. Consider the available switching frequencies based on inductor selection constraints. Verify that the thermal dissipation capabilities of the TDFN-EP-14 package suit the application's power density requirements.

LED Driver IC Part Context

This part belongs to the MAX20051 family of synchronous buck LED drivers. It shares architectural similarities with the MAX20053 but differs in specific pinout or feature configurations. The series is designed to provide compact solutions for automotive and industrial lighting applications where space and efficiency are critical constraints.

LED Driver IC Replacement Considerations

The MAX20053 is a related member of the same product family. Verify pin compatibility and specific electrical parameter differences before substitution. Ensure the alternative device supports the required input voltage range and switching frequency options.