MAX25460ATGA/V+

Overview

The MAX25460ATGA/V+ is an automotive-grade integrated circuit combining a 1.5A step-down converter, USB BC1.2 host charger simulator, and high-bandwidth USB protection switch. It operates from 4.5V to 28V with 40V load dump tolerance. The device features a 2200kHz switching frequency and includes current sensing for voltage compensation. Operating temperature ranges from -40°C to 125°C in a 24-TQFN package.

Feature Summary

• Integrates a 1.5A efficient step-down DC-DC converter for direct battery-to-device power management
• Includes USB BC1.2 host charger simulation for compatible portable device charging
• Features high-bandwidth USB 2.0 data switches with 1GHz bandwidth for signal integrity
• Provides automatic USB voltage adjustment via high-side current sensing to compensate for cable drops

Applications

• Automotive USB 2.0 host applications
• Direct connection from car battery to portable devices
• In-vehicle infotainment systems requiring robust power delivery
• Portable device charging solutions in automotive environments

Procurement Notes

Verify the specific suffix 'ATGA/V+' ensures automotive qualification and lead-free compliance. Confirm the 24-TQFN package dimensions match your PCB footprint. Ensure the 40V load dump rating aligns with your vehicle's electrical system specifications. Check for RoHS directive compliance documentation before finalizing procurement orders.

Selection Notes

Select this component when integrating power conversion and data protection in a single automotive USB port. It eliminates the need for separate regulators and switches. Ideal for space-constrained designs requiring high efficiency and robust transient protection. Consider the 1.5A output limit for connected device power requirements.

Part Context

This part belongs to Maxim Integrated's automotive interface portfolio, designed for harsh automotive environments. It simplifies design by merging power management and USB protocol handling. The series supports various USB standards while maintaining high reliability under extreme temperatures and voltage fluctuations typical in vehicles.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.