MAX16821AATI+T

LED Driver IC Overview

The MAX16821AATI+T is a high-power synchronous HB LED driver IC designed for demanding lighting applications. It operates within an input voltage range of 4.75 V to 28 V and supports PWM dimming control. The device utilizes a SEPIC, buck, or boost topology to drive single-output configurations with up to 4 A output current capability. Packaged in a 28-TQFN (5x5 mm) format, it functions reliably across an extended temperature range from -40°C to +125°C.

LED Driver IC Feature Summary

• Supports rapid current pulsing functionality for specialized LED driving requirements
• Integrates synchronous rectification for improved power efficiency
• Enables flexible topology selection including SEPIC, buck, and boost configurations

LED Driver IC Applications

• High-power general illumination systems
• Portable projector RGB LED drivers
• Multicolor lighting applications requiring high brightness

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices channels due to limited availability status. Confirm package integrity and RoHS compliance upon receipt. Cross-reference the full ordering part number to ensure correct suffix alignment. Request manufacturer documentation for specific batch traceability requirements.

LED Driver IC Selection Notes

Select this component when designing circuits requiring high-current LED driving with flexible input voltage ranges. Ensure thermal management strategies accommodate the TQFN package constraints. Verify that the application demands align with the synchronous rectification benefits and PWM dimming interface capabilities.

LED Driver IC Part Context

This part belongs to the MAX16821B series of high-power synchronous HB LED drivers. It serves as a robust solution for applications needing precise current control and efficient power conversion. The device integrates advanced features to support complex lighting architectures while maintaining compact board space utilization.

LED Driver IC Replacement Considerations

The MAX16821BATI+T is a verified substitute within the same product family. Both parts share identical pinouts and core functionalities. Verify specific suffix variations to ensure compatibility with existing PCB layouts and design specifications.