MAX20069BGTLA/V+

Power Management - Specialized Overview

The MAX20069BGTLA/V+ is an automotive-grade, I2C-controlled integrated circuit designed for TFT-LCD power management. It combines a buck-boost converter and four LED backlight drivers. The device supports an input voltage range of 5V to 16.5V. Each LED channel provides up to 150mA output current. It operates within the -40°C to +125°C temperature range. The IC features a 40-TQFN (6x6) package. It integrates protection mechanisms including overcurrent, overvoltage, and thermal shutdown.

Power Management - Specialized Feature Summary

• Integrates a high-efficiency buck-boost DC-DC converter with four independent constant-current LED driver channels for unified power supply and backlight control.
• Enables precise digital control via an I2C interface, allowing dynamic adjustment of brightness levels and operational modes without external analog components.
• Includes comprehensive protection features such as overcurrent limiting, overvoltage protection, and thermal shutdown to ensure reliability in harsh automotive environments.

Power Management - Specialized Applications

• Automotive TFT-LCD display systems
• In-vehicle infotainment (IVI) screens
• Digital instrument clusters
• Rear-seat entertainment displays

Power Management - Specialized Procurement Notes

Verify the specific suffix (e.g., V+, VY+) against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure the component meets AEC-Q100 automotive qualification standards required for your application. Cross-reference the ordering part number with Analog Devices documentation to avoid confusion between similar variants.

Power Management - Specialized Selection Notes

Select this component when a single IC solution is needed for both LCD panel bias generation and LED backlight driving in automotive displays. It is suitable for applications requiring I2C programmability for system integration. Consider the 150mA per channel limit and input voltage range when designing the power stage. Verify that the TQFN package fits the PCB layout constraints.

Power Management - Specialized Part Context

This part belongs to Maxim Integrated's family of automotive display drivers. It simplifies design by replacing discrete boost converters and linear regulators with a single highly integrated chip. The series targets modern vehicle interiors requiring high-brightness, uniform LCD illumination controlled digitally.

Power Management - Specialized Replacement Considerations

Check Analog Devices' official replacement matrix for direct substitutes. Variants like MAX20069BGTLA/VY+ may differ in packaging or specific electrical ratings. Do not assume cross-compatibility with non-I2C controlled drivers or different channel counts without verifying pinouts and functionality.

Power Management - Specialized FAQ

What is the maximum output current per LED channel?

Each of the four LED channels can deliver up to 150mA of constant current.

How is the device controlled?

The MAX20069B is controlled via a standard I2C interface, allowing digital configuration of parameters such as brightness and mode.

What is the operating temperature range?

The device is rated for an extended industrial temperature range from -40°C to +125°C, suitable for automotive under-hood or cabin applications.