AL1771T16E-13

Overview

The AL1771T16E-13 is a single-channel linear LED driver IC from Diodes Incorporated, designed for high-efficiency lighting applications. It delivers up to 1.5A of regulated output current with an input voltage range of 2.6V to 60V. The device supports both analog and PWM dimming, enabling deep dimming down to 0.1% at 1kHz without visible flicker. Operating within a temperature range of -40°C to +105°C, it integrates thermal protection and auto-restart features. Packaged in a TSSOP-16EP format, this synchronous buck topology driver ensures stable performance for various LED string configurations.

Feature Summary

• Supports deep PWM dimming down to 0.1% at 1kHz with E-flicker-free operation
• Integrates overtemperature thermal protection with auto-restart functionality
• Compatible with both passive and active dimming methods

Applications

• General solid-state lighting fixtures
• Commercial LED downlights
• Residential LED bulbs and panels

Procurement Notes

Verify the specific suffix and package variant against the manufacturer's latest datasheet before ordering. Confirm that the TSSOP-16EP footprint matches your PCB design requirements. Ensure compatibility with your system's input voltage and dimming control signals. Check for RoHS compliance documentation if required by your manufacturing standards. Validate lead times and availability directly with authorized distributors.

Selection Notes

Select this component for applications requiring precise current regulation up to 1.5A with efficient linear or buck conversion. It is suitable for designs needing wide input voltage flexibility and high dimming ratios. Consider its thermal management capabilities for enclosed environments. Evaluate the TSSOP-16EP package size against available board space. Ensure the operating temperature range meets your environmental specifications.

Part Context

This part belongs to Diodes Incorporated's AL series of LED drivers, which are optimized for cost-effective and compact lighting solutions. The series typically offers integrated protection features and flexible dimming options. The AL1771 variant specifically targets single-channel applications requiring high reliability and efficiency in standard lighting form factors.

Replacement Considerations

Consult official substitution lists for equivalent parts with similar current ratings and pinouts. Verify functional compatibility regarding dimming interfaces and thermal characteristics before replacing.