MAX25512ATG/VY+T

LED Driver IC Overview

The MAX25512ATG/VY+T is a highly integrated, four-channel LED driver IC designed for backlight applications. It operates as a boost DC-DC controller with an internal switch, supporting input voltages from 4.5V to 36V and delivering up to 120mA per channel. The device features a switching frequency range of 400kHz to 2.2MHz and supports analog, I2C, and PWM dimming methods. Packaged in a 24-TQFN (4x4) format, it is rated for automotive use under AEC-Q100 standards and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Four independent output channels with open-drain configuration for precise current control
• Integrated step-up (boost) topology with internal power switch for efficient voltage conversion
• Multi-mode dimming capability supporting analog, pulse-width modulation (PWM), and I2C interfaces
• Automotive-grade qualification ensuring reliability in harsh operating environments

LED Driver IC Applications

• LCD backlight drivers for automotive displays
• High-intensity LED lighting systems requiring multi-channel control
• Portable electronic devices utilizing boost converter topologies
• Industrial display panels requiring wide input voltage ranges

LED Driver IC Procurement Notes

Verify the specific suffix variant against official Analog Devices documentation to ensure compatibility with required packaging and temperature grades. Confirm that the 24-TQFN footprint matches the target PCB design. Check for AEC-Q100 certification requirements if deploying in automotive contexts. Ensure I2C address configurations align with system bus constraints before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing systems requiring four synchronized LED channels driven by a single boost converter. It is suitable for applications needing flexible dimming via I2C or PWM alongside analog controls. Consider the 4.5V minimum supply requirement and 36V maximum limit when defining power rails. The exposed pad thermal design must be addressed due to the TQFN package constraints.

LED Driver IC Part Context

This part belongs to the MAX25512 family of LED drivers manufactured by Analog Devices Inc./Maxim Integrated. It is specifically engineered for high-efficiency backlighting solutions where space and component count are critical. The device integrates control logic, error amplifiers, and protection circuits into a compact surface-mount package.

LED Driver IC Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify pinout compatibility and electrical specifications before substituting with other four-channel boost LED drivers.

LED Driver IC FAQ

What dimming methods does the MAX25512 support?

The device supports analog, PWM, and I2C dimming methods for flexible brightness control.

Is the MAX25512 qualified for automotive applications?

Yes, the component holds AEC-Q100 qualification for automotive grade reliability.

What is the maximum supply voltage for this IC?

The maximum supply voltage rating is 36V.