MAX16805ATP+

LED Driver IC Overview

The MAX16805ATP+ is a constant-current linear LED driver IC featuring an EEPROM-programmable current reference and foldback protection. It eliminates the need for microcontrollers or switch-mode converters in LED applications. The device supports output currents up to 350mA with ±3.0% accuracy. It offers analog or PWM dimming control via a DIM pin, utilizing an on-board 200Hz ramp generator that allows external synchronization from 80Hz to 2kHz. The component operates within a specified temperature range and is housed in a compact TQFN package.

LED Driver IC Feature Summary

• Constant-current linear regulation with high output current accuracy
• EEPROM-programmable current reference eliminating external components
• Integrated foldback protection for enhanced reliability
• Flexible dimming support via analog or PWM signals

LED Driver IC Applications

• Emergency vehicle warning lights
• Navigation and marine indicators
• Theater dimming systems
• PWM brightness control in LED lighting

LED Driver IC Procurement Notes

Verify component authenticity through authorized distribution channels due to potential supply chain variations. Confirm package integrity and marking consistency against official datasheet specifications prior to integration. Ensure storage conditions comply with moisture sensitivity levels defined in the manufacturing documentation to maintain operational reliability during assembly processes.

LED Driver IC Selection Notes

Select this component for designs requiring precise current regulation without complex switching topologies. The integrated EEPROM simplifies production by removing the need for external programming hardware. Consider the linear topology's thermal implications at higher load currents compared to switch-mode alternatives. Verify compatibility of the dimming interface with the controlling system's signal types.

LED Driver IC Part Context

This part belongs to Maxim Integrated's line of high-voltage LED drivers designed for robust performance in demanding environments. The series emphasizes simplicity and reliability by integrating programmability directly into the silicon. It serves as a direct replacement solution for legacy discrete LED driving circuits, offering improved accuracy and reduced bill-of-materials complexity for industrial and automotive lighting applications.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative linear LED drivers with similar current accuracy and dimming capabilities if this specific model is unavailable. Ensure any substitute matches the TQFN-20 footprint and electrical characteristics to maintain board layout integrity.