MAX16812ATI/V+T

LED Driver IC Overview

The MAX16812ATI/V+T is a high-voltage LED driver IC from Analog Devices/Maxim Integrated, designed for automotive and general lighting applications. It supports Boost, Buck, and SEPIC topologies with an adjustable switching frequency ranging from 125 kHz to 500 kHz. The device operates on a supply voltage between 5.5 V and 76 V, delivering up to 2 A output current in a single-channel configuration. Packaged in a 28-TQFN (5x5 mm) format, it features analog and PWM dimming capabilities with a wide-range brightness adjustment ratio of 100:1. The component is qualified under AEC-Q100 standards and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrated high-voltage DC-DC controller supporting multiple converter topologies
• Supports both analog and pulse-width modulation dimming methods
• Includes short circuit and thermal protection mechanisms

LED Driver IC Applications

• Automotive exterior lighting systems
• High-brightness LED backlighting
• General solid-state lighting fixtures

LED Driver IC Procurement Notes

Verify the specific suffix designation carefully, as variants such as MAX16812ATI+ and MAX16812ATI/V+T may differ in packaging or qualification status. Confirm availability through authorized distributors, as some listings indicate limited stock or discontinuation risks. Ensure the selected part matches the required AEC-Q100 automotive qualification if intended for vehicle integration. Cross-reference the datasheet revision date to ensure compatibility with current design specifications.

LED Driver IC Selection Notes

Select this component when designing circuits requiring a wide input voltage range up to 76 V and support for complex power stages like SEPIC or coupled-inductor boost-buck. It is suitable for applications needing precise current regulation with integrated protection features. Consider the 28-TQFN package size for space-constrained PCB layouts. Verify that the required dimming interface aligns with the device's analog and PWM pin configurations.

LED Driver IC Part Context

This device belongs to the MAX16812 series of integrated LED drivers. It shares functional similarities with other Maxim Integrated high-voltage LED controllers but is distinct in its specific voltage handling and topology support. The series is engineered for robust performance in demanding environments, particularly where automotive reliability standards are mandatory.

LED Driver IC Replacement Considerations

Direct substitutes include the MAX16812ATI+ and MAX16812ATI/V+. Check datasheets for pinout and electrical parameter equivalence before swapping.