MAX25512ATG/V+T

LED Driver IC Overview

The MAX25512ATG/V+T is a highly integrated automotive-grade LED driver IC designed for backlight applications. It features four independent output channels, each capable of delivering up to 120mA. The device incorporates an internal boost DC-DC converter with a switching frequency range of 400kHz to 2.2MHz. It supports analog, I2C, and PWM dimming methods. Operating from a supply voltage between 4.5V and 36V, it functions within a temperature range of -40°C to 125°C. The component is housed in a 24-TQFN (4x4) package and holds AEC-Q100 qualification.

LED Driver IC Feature Summary

• Integrates a high-efficiency boost converter with internal switches for driving multiple LED strings
• Provides precise current regulation across four independent output channels
• Supports flexible dimming control via analog, I2C, and PWM interfaces
• Meets automotive reliability standards with AEC-Q100 qualification

LED Driver IC Applications

• Automotive LCD backlight systems
• High-brightness LED lighting modules
• Display illumination drivers requiring isolated or non-isolated topologies

LED Driver IC Procurement Notes

Verify the specific suffix 'V+' against the manufacturer's official documentation to confirm pinout compatibility and thermal pad configuration. Ensure the selected packaging variant matches the required assembly process. Cross-reference the AEC-Q100 certification status with the latest Analog Devices quality reports to guarantee compliance with automotive supply chain requirements.

LED Driver IC Selection Notes

Select this component when designing automotive display backlights requiring four independent channels with integrated power conversion. It is suitable for applications needing wide input voltage ranges and multiple dimming control options. Consider the 24-TQFN package constraints for PCB layout and thermal management. Verify that the required switching frequency falls within the 400kHz to 2.2MHz operational window.

LED Driver IC Part Context

This part belongs to the MAX2551x family of LED drivers from Analog Devices/Maxim Integrated. These devices are engineered specifically for automotive display applications, offering high integration by combining the controller and power stage in a single package. The family emphasizes reliability and performance under harsh environmental conditions typical of vehicle interiors.

LED Driver IC Replacement Considerations

The MAX25510ATGA/V+T is a related device in the same family but utilizes a SEPIC/Boost topology with a lower input voltage range (3V to 3.6V). Verify if the system design requires the higher voltage capability of the MAX25512 or if the lower voltage SEPIC option is sufficient.