MAX16834ATP/V+T

LED Driver IC Overview

The MAX16834ATP/V+T is a high-power LED driver IC featuring an integrated high-side current sense amplifier and four independent LED current-sink channels. It incorporates a current-mode switching DC-DC controller supporting boost, coupled-inductor boost-buck, SEPIC, and single-inductor boost-buck topologies. The device operates with an input voltage range of 4.75V to 28V and supports adjustable switching frequencies from 100kHz to 1MHz. Designed for automotive environments, it withstands load-dump events and meets AEC-Q100 standards.

LED Driver IC Feature Summary

• Integrates four independent LED current-sink channels with high-side current sensing
• Includes a current-mode switching DC-DC controller for flexible topology support
• Withstands direct automotive load-dump events for robust operation
• Provides programmable slope compensation for fast response and simplified loop stability

LED Driver IC Applications

• Automotive small to medium-sized LCD displays
• General lighting applications requiring high-brightness LEDs
• High-power LED driver systems in harsh electrical environments

LED Driver IC Procurement Notes

Verify the specific suffix (e.g., +T) against the manufacturer's official datasheet to confirm package type and reel specifications. Ensure the component meets AEC-Q100 qualification requirements if used in automotive contexts. Cross-reference the full part number with Analog Devices documentation to validate pinout compatibility and thermal performance characteristics before integration.

LED Driver IC Selection Notes

Select this component when designing systems requiring multiple independent LED strings driven by a single controller. The integrated DC-DC controller simplifies design by eliminating external PWM controllers for certain topologies. Consider the wide input voltage range and load-dump immunity for automotive or industrial applications where power supply noise is prevalent.

LED Driver IC Part Context

This device belongs to the Maxim Integrated high-power LED driver family, designed for efficiency and reliability. It combines power stage control with precise current regulation in a compact TQFN-EP-20 package. The series targets applications demanding high brightness and strict regulatory compliance in mobile and fixed lighting solutions.

LED Driver IC Replacement Considerations

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