MAX16821CATI+T

LED Driver IC Overview

The MAX16821CATI+T is a high-power synchronous HB LED driver IC from the MAX16821B series, manufactured by Analog Devices Inc./Maxim Integrated. It operates within an input voltage range of 4.75 V to 28 V and supports Boost, Buck, and SEPIC topologies. The device features a switching frequency adjustable from 125 kHz to 1.5 MHz and provides one output channel with a peak current capability of 4 A. It is housed in a 28-TQFN (5x5) package and functions as a DC-DC controller with PWM dimming capabilities.

LED Driver IC Feature Summary

• Supports rapid LED current pulsing for enhanced visual performance
• Integrates synchronous rectification for improved efficiency
• Enables flexible topology selection including boost, buck, and SEPIC configurations

LED Driver IC Applications

• High-brightness LED lighting systems
• Portable projector RGB LED drivers
• Multicolor lighting applications

LED Driver IC Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific ordering suffixes that may affect packaging or temperature grade. Ensure the supplier provides valid traceability documentation matching the MAX16821CATI+T part number before finalizing acquisition.

LED Driver IC Selection Notes

Select this component when designing circuits requiring synchronous high-power LED driving with flexible input-output voltage relationships. Consider the 28-TQFN package constraints and thermal dissipation requirements. Verify compatibility with external MOSFETs if higher currents are needed, as the internal switch rating is limited to 4 A.

LED Driver IC Part Context

This part belongs to the MAX16821 family of high-power synchronous HB LED drivers. It shares functional similarities with variants like the MAX16821BATI+T but differs in commercial/industrial temperature grading and specific feature sets such as rapid current pulsing support. It serves as a core control element in advanced LED illumination architectures.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Analog Devices documentation for cross-reference recommendations.