MAX20446BATG/V+

LED Driver IC Overview

The MAX20446BATG/V+ is a six-channel LED driver controller designed for automotive backlight and central information display applications. It integrates boost and SEPIC controllers with I2C and PWM dimming interfaces. The device operates from an input voltage up to 36V, delivering up to 120mA per channel with a switching frequency range of 400kHz to 2.2MHz. Output voltage can reach 52V. It is housed in a 24-pin TQFN package.

LED Driver IC Feature Summary

• Integrates hybrid dimming capabilities supporting analog, PWM, and I2C control interfaces for flexible system integration.
• Supports both boost and SEPIC converter topologies to accommodate various LED string configurations and voltage requirements.
• Features six independent output channels suitable for multi-zone or high-density backlighting arrays.

LED Driver IC Applications

• Automotive instrument cluster backlighting
• Central information display systems
• Multi-zone LED lighting arrays

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices distributors. Confirm the specific suffix 'T' indicates reel packaging if required by assembly equipment. Ensure the V+ designation aligns with lead-free and RoHS compliance standards for your manufacturing process. Cross-reference the full part number against current datasheets to confirm pinout and thermal pad specifications.

LED Driver IC Selection Notes

Select this component when designing automotive displays requiring six independent LED channels with mixed topology support. It is appropriate for systems needing precise digital control via I2C alongside standard PWM dimming. Consider the 36V input limit and 52V output capability when sizing external passive components for high-voltage LED strings.

LED Driver IC Part Context

This IC belongs to the MAX20446 series of automotive-grade LED drivers. It is part of Maxim Integrated's portfolio focused on power management for vehicle infotainment and instrumentation. The device complements other PMIC solutions by providing specialized high-current LED driving capabilities within a compact footprint.

LED Driver IC Replacement Considerations

Check for direct pin-compatible alternatives within the MAX2044x family. Verify functional equivalence regarding dimming methods and channel count before substituting with other boost/SEPIC LED controllers from different manufacturers.

LED Driver IC FAQ

What dimming methods are supported?

The device supports analog, PWM, and I2C dimming interfaces.

What is the maximum output voltage?

The maximum output voltage is 52V.