MAX20028ATJB/VY+T

Overview

The MAX20028ATJB/VY+T is an eight-output low-voltage PMIC designed for ADAS applications. It integrates three buck controllers and five LDOs. The buck outputs provide up to 1.5A each, with specific voltages such as 5V and 3.95V. It operates with an external P-channel MOSFET for near-ideal diode behavior during power switchover. The device is housed in a 32-pin WETQFN package measuring 5x5 mm. It supports automotive-grade requirements and features high efficiency.

Feature Summary

• Integrates three buck controllers and five LDOs for comprehensive power management
• Utilizes external P-channel MOSFET for near-ideal diode power switchover behavior
• Designed specifically for high-efficiency automotive ADAS applications
• Compact 32-pin WETQFN package suitable for space-constrained designs

Applications

• Advanced Driver Assistance Systems (ADAS)
• Automotive power management units
• High-efficiency multi-rail power distribution systems

Procurement Notes

Verify the exact suffix VY+ against official Analog Devices documentation to confirm pinout and thermal pad configuration. Ensure the component meets current automotive qualification standards required for your specific application environment. Cross-reference the datasheet revision date to ensure compatibility with your design specifications. Confirm availability through authorized distributors as supply levels may vary.

Selection Notes

Select this PMIC when multiple regulated rails are needed in a compact footprint for automotive use. It is suitable for designs requiring integrated buck and LDO regulation without separate components. Consider the 1.5A output capability of the buck converters for load requirements. Evaluate the thermal performance within the 5x5mm package for your system's heat dissipation capabilities.

Part Context

This part belongs to Maxim Integrated's family of specialized PMICs for automotive systems. It complements other power management solutions by offering integrated regulation for complex electronic control units. The device addresses the trend toward miniaturization in modern vehicle electronics while maintaining high reliability standards required in automotive environments.

Replacement Considerations

Check Analog Devices official substitution lists for direct replacements. Verify pin-to-pin compatibility if substituting with similar PMICs from the same manufacturer family. Ensure electrical parameters match or exceed original requirements for voltage, current, and package dimensions.