MAX20050ATC+

LED Driver IC Overview

The MAX20050ATC+ is a synchronous-buck LED driver from Analog Devices, designed for high-brightness LED applications. It operates with an input voltage range of 4.5 V to 65 V and features a switching frequency of 400 kHz. The device integrates internal MOSFETs and supports both analog and PWM dimming methods. It provides one output and functions as a step-down DC-DC regulator. The component is rated for an operating temperature range of -40°C to 125°C and utilizes surface mount mounting in a 12-TDFN package.

LED Driver IC Feature Summary

• Integrates synchronous buck topology with internal MOSFETs for efficient power conversion
• Supports dual dimming control via analog current adjustment and pulse-width modulation signals
• Includes open LED protection circuitry to detect and manage fault conditions

LED Driver IC Applications

• Automotive exterior lighting systems
• Commercial lighting fixtures
• Industrial lighting equipment

LED Driver IC Procurement Notes

Verify the specific suffix 'TC+' ensures the correct tape-and-reel or tube packaging variant required for your assembly line. Confirm the lead time availability directly with authorized distributors, as stock levels fluctuate. Ensure the ordering part number matches the exact thermal grade and pin configuration needed for your PCB footprint design.

LED Driver IC Selection Notes

Select this driver when a single-channel high-voltage buck solution is required for automotive or industrial environments. It is suitable for designs needing integrated power switches to reduce external component count. Consider its wide input voltage range for battery-powered or alternator-fed systems requiring robust regulation under varying load conditions.

LED Driver IC Part Context

This component belongs to the MAX20050–MAX20053 family of synchronous-buck LED drivers. These devices are engineered specifically for high-brightness LED applications, offering a compact solution for exterior lighting. The family shares core architectural features while differing in specific output configurations or packaging options to suit diverse board space constraints.

LED Driver IC Replacement Considerations

Check for direct substitutes within the MAX20050 series, such as the MAX20051, MAX20052, or MAX20053, which may offer different pinouts or output counts. Verify that any replacement maintains the same 4.5 V to 65 V input range and 400 kHz switching frequency to ensure compatibility with existing control loops.