MAX16821BATI+T

LED Driver IC Overview

The MAX16821BATI+T is a high-power synchronous HB LED driver IC manufactured by Analog Devices under the Maxim Integrated brand. It operates within an input voltage range of 4.75 V to 28 V and supports a maximum output current of 4 A. The device features a single channel and utilizes a TQFN-28 package for surface mount installation. It functions as a DC-DC controller with SEPIC, buck, and boost topologies, supporting PWM dimming. The component is rated for operation between -40°C and +125°C, with a power dissipation of 2.758 W.

LED Driver IC Feature Summary

• Supports SEPIC, step-down (buck), and step-up (boost) converter topologies for flexible LED drive configurations
• Integrates synchronous rectification for enhanced efficiency in high-power applications
• Enables precise brightness control through PWM dimming capabilities

LED Driver IC Applications

• High-power LED lighting systems
• General illumination drivers
• Backlighting applications requiring robust power management

LED Driver IC Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to limited supply status. Confirm RoHS compliance and REACH material declarations prior to integration. Ensure ordering suffixes match specific thermal and electrical requirements. Cross-reference datasheet revisions to validate pinout and functional consistency against existing designs.

LED Driver IC Selection Notes

Select this component for designs requiring a single-channel synchronous driver capable of handling wide input voltage ranges up to 28 V. Consider the TQFN-28 package for thermal performance and board space constraints. Evaluate the 4 A output capability against load requirements. Verify compatibility with PWM dimming interfaces and operating temperature ranges spanning industrial standards.

LED Driver IC Part Context

Part of the MAX16821B series, designed for high-efficiency LED driving. Manufactured by Analog Devices Inc./Maxim Integrated, it belongs to the LED Lighting Drivers subcategory. The device serves as a specialized power management IC for controlling high-brightness LEDs in demanding environments.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.