A6282ELWTR-T

Overview

The A6282ELWTR-T is a linear LED driver IC manufactured by Allegro MicroSystems. It features sixteen outputs with a maximum output current of 50mA per channel and a supply voltage range from 3V to 5.5V. The device utilizes a shift register topology for control and supports PWM dimming capabilities. Designed for surface mount installation, it is housed in a 24-SOIC package. The component operates within a temperature range of -40°C to +85°C and is intended primarily for backlight applications.

Feature Summary

• Integrates sixteen independent linear output channels for precise LED current regulation.
• Utilizes a serial shift register interface for efficient data input and control signal management.
• Supports pulse-width modulation (PWM) dimming functions for adjustable brightness levels.

Applications

• LCD panel backlighting systems
• Portable electronic display illumination
• Consumer electronics lighting modules

Procurement Notes

Verify the specific ordering suffix and package variant against official manufacturer documentation before procurement. Confirm that the selected part number matches the required pinout and electrical specifications for your design. Check for any recent product change notices regarding packaging or material composition updates. Ensure compliance with RoHS3 standards if required by your project specifications.

Selection Notes

Select this component when designing circuits requiring multiple low-current LED outputs controlled via a serial interface. Consider the 24-SOIC package dimensions and thermal characteristics during PCB layout. Evaluate the 50mA per channel limit against total load requirements. Verify compatibility with the system's logic voltage levels for the shift register inputs.

Part Context

This device belongs to Allegro MicroSystems' line of linear LED drivers designed for display applications. It provides a compact solution for managing multiple LEDs in space-constrained environments. The series focuses on simplifying control interfaces while maintaining reliable current regulation for consistent visual performance across various consumer devices.

Replacement Considerations

Publicly confirmed substitute part numbers include MAX6969AWG+ and MAX6969AWG+T from Analog Devices Inc./Maxim Integrated. These alternatives are listed as similar replacements in distributor databases. Verify pin compatibility and electrical parameters before substitution.