MAX20078AUE+

LED Driver IC Overview

The MAX20078AUE+ is a synchronous buck controller designed for high-power LED lighting applications. It operates within an input voltage range of 4.5V to 60V and supports output currents configurable from 10mA to 150mA via external resistors. The device integrates analog and PWM dimming capabilities with a switching frequency of 1MHz. It functions without requiring a microcontroller, featuring built-in protection mechanisms including overvoltage, overcurrent, and thermal shutdown. The component is rated for automotive grade performance and operates across an extended temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates synchronous buck control architecture for efficient power conversion in LED drivers
• Supports combined analog and pulse-width modulation dimming methods for brightness control
• Configurable output current settings eliminate the need for external microcontrollers
• Includes comprehensive protection features such as thermal shutdown and fault detection

LED Driver IC Applications

• High-brightness automotive LED headlight systems
• Industrial LED lighting fixtures requiring precise current regulation
• General illumination applications utilizing synchronous buck topologies

LED Driver IC Procurement Notes

Verify the specific suffix designation to ensure compatibility with required packaging and tape-and-reel specifications. Confirm that the selected variant meets the necessary automotive qualification standards if deployed in vehicle environments. Cross-reference the manufacturer's latest documentation to validate pinout configurations and electrical characteristics against current production revisions before integration into final designs.

LED Driver IC Selection Notes

Select this component when designing LED drivers that require wide input voltage tolerance and integrated synchronous rectification. Evaluate the external resistor network requirements to set the desired constant current level accurately. Consider the thermal management needs associated with the specified operating temperature range and power dissipation levels inherent to the application environment.

LED Driver IC Part Context

This part belongs to the MAX20078 family of LED lighting driver ICs manufactured by Analog Devices under the Maxim Integrated brand. These controllers are engineered specifically for high-power LED applications, offering a compact solution for replacing discrete MOSFET-based designs. The series emphasizes ease of use by integrating control logic directly onto the silicon die.

LED Driver IC Replacement Considerations

Direct substitutes include other synchronous buck LED controllers from the same manufacturer family, such as variants within the MAX2007x series. Verify functional equivalence regarding dimming interfaces and current regulation accuracy when considering alternative part numbers.