MAX25220ATJ/VY+

Power Management - Specialized Overview

The MAX25220ATJ/VY+ is an automotive-grade, high-integration four-channel TFT-LCD bias power supply featuring an integrated VCOM buffer. It operates from a 2.65V to 5.5V supply and draws 1.5mA of supply current. The device supports an operating temperature range of -40°C to +125°C and is housed in a 32-pin TQFN-EP (5x5mm) package. It includes an I2C interface for configuration.

Power Management - Specialized Feature Summary

• Integrated VCOM buffer for direct LCD panel driving
• Four-channel output architecture for comprehensive TFT-LCD biasing
• I2C serial interface for programmable control and monitoring
• Automotive qualification for reliability in harsh environments

Power Management - Specialized Applications

• Automotive infotainment display systems
• TFT-LCD panel bias generation
• In-vehicle information displays
• Rear-seat entertainment screens

Power Management - Specialized Procurement Notes

Verify the specific suffix (VY+) against the manufacturer's official datasheet to confirm pinout and thermal pad specifications. Ensure the component meets AEC-Q100 automotive standards if required by your design. Cross-reference the 32-TQFN-EP package dimensions with your PCB footprint library to prevent assembly errors.

Power Management - Specialized Selection Notes

Select this component when designing automotive displays requiring a single-chip solution for multiple LCD biases. It is suitable for applications needing precise voltage regulation and low quiescent current. Consider the I2C interface requirements for system integration. Verify that the input voltage range matches the vehicle's power bus characteristics.

Power Management - Specialized Part Context

This part belongs to Maxim Integrated's automotive display power management portfolio. It replaces older discrete solutions or multi-chip sets by integrating four boost/buck converters and a VCOM driver into one compact package. The series focuses on reducing board space and simplifying design complexity for modern automotive infotainment units.

Power Management - Specialized Replacement Considerations

Check for MAX25220 variants with different suffixes such as ATJ/V+ or ATJ/VY+T for tape-and-reel options. Confirm compatibility with existing firmware if migrating from previous generations. No direct cross-brand substitutes are officially documented.