A6284KLPTR-T

Overview

The A6284KLPTR-T is an automotive-grade LED lighting driver IC from Allegro MicroSystems, designed for linear current regulation in automotive LED arrays. It features six independent output channels capable of delivering up to 120mA per channel. The device operates within a supply voltage range of 5V to 42V and supports PWM dimming control. Packaged in a 20-lead TSSOP with exposed pad (LP-20), it is rated for junction temperatures between -40°C and 150°C. This component is AEC-Q100 qualified for robust performance in demanding vehicular environments.

Feature Summary

• Six-channel linear current regulation for precise LED array control
• Integrated PWM dimming capability for brightness adjustment
• Automotive qualification ensuring reliability under extreme thermal conditions

Applications

• Automotive exterior lighting systems
• Interior vehicle illumination arrays
• LED matrix backlighting modules

Procurement Notes

Verify the specific suffix against official datasheets to confirm package and tape specifications. Confirm AEC-Q100 compliance requirements match your design needs. Check humidity sensitivity levels and reflow soldering profiles prior to assembly. Ensure ordering quantities align with manufacturer reel standards.

Selection Notes

Select this component when multiple independent LED channels require linear regulation without external switching components. Consider the 42V maximum input rating for compatibility with standard automotive electrical systems. Evaluate the thermal dissipation capabilities of the LP-20 package for high-density PCB layouts.

Part Context

This part belongs to the A6274-A6284 series of LED drivers from Allegro MicroSystems. These devices are engineered specifically for automotive applications requiring high reliability and precise current control. The series offers various channel counts and configurations to suit different lighting architectures.

Replacement Considerations

A6284KLPTR-T-1 is listed as a parameter-equivalent substitute.