MAX20053AAUD+

LED Driver IC Overview

The MAX20053AAUD+ is a synchronous-buck LED driver designed for automotive exterior lighting. It features a wide input voltage range of 4.75 V to 60 V and supports output currents up to 2 A per channel. The device operates at a switching frequency of 2.1 MHz and includes integrated PWM dimming capabilities. It is housed in a 14-TSSOP package with an exposed pad, rated for operation between -40°C and +125°C.

LED Driver IC Feature Summary

• Integrated synchronous buck topology for high efficiency
• Configurable output current via external resistor
• Hardware PWM dimming interface
• Built-in fault protection mechanisms

LED Driver IC Applications

• Automotive exterior lighting systems
• High-brightness LED headlamps
• Commercial and industrial lighting fixtures

LED Driver IC Procurement Notes

Verify the specific suffix 'AUD+' against the manufacturer's official datasheet to confirm pinout compatibility and RoHS status. Ensure the ordering part number matches the exact temperature grade and package variant required for your design. Cross-reference the component marking code with the manufacturer's identification guide to prevent counterfeit risks during procurement.

LED Driver IC Selection Notes

Select this component when designing automotive exterior lighting circuits requiring a single-inductor solution. It is suitable for applications needing precise current regulation without microcontroller intervention. Consider the 2.1 MHz frequency for smaller passive components. Verify that the system input voltage remains within the 4.75 V to 60 V window for stable operation.

LED Driver IC Part Context

This device belongs to the MAX20050–MAX20053 family of synchronous-buck LED drivers from Analog Devices/Maxim Integrated. These parts are engineered specifically for automotive exterior lighting applications, offering a compact alternative to discrete solutions. The family shares similar control architectures but varies in configuration options and specific electrical ratings.

LED Driver IC Replacement Considerations

Consult the manufacturer's cross-reference tool for verified substitutes. Generic replacements may lack the specific automotive qualification or integrated protection features required for exterior lighting.