MAX25430AATLF/V+

Power Supply Controllers, Monitors Overview

The MAX25430AATLF/V+ is an automotive-grade integrated circuit combining a buck-boost controller and a USB Power Delivery (PD) analog front-end. It operates within a wide input voltage range of 3.8V to 60V, supporting high-efficiency power conversion for vehicle applications. The device integrates a 1MHz switching frequency and includes comprehensive protection features such as overvoltage, undervoltage, and thermal shutdown. Designed for robust performance in harsh environments, it meets AEC-Q100 Grade 1 standards with an operating temperature range from -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Integrates a synchronous buck-boost DC-DC converter with a dedicated USB PD analog front-end
• Supports wide input voltage ranges suitable for automotive cold-crank and load dump conditions
• Includes programmable current limit and soft-start capabilities for controlled power sequencing
• Features built-in protection mechanisms against overvoltage, undervoltage, and thermal events

Power Supply Controllers, Monitors Applications

• Automotive infotainment systems requiring stable power delivery
• USB charging ports in vehicles compliant with USB PD specifications
• Power distribution units for connected car modules
• High-voltage battery management system interfaces

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'V+' indicates lead-free and RoHS compliance status according to Analog Devices documentation. Confirm the package type matches design requirements, typically TQFN. Ensure the automotive grade designation aligns with project reliability standards. Check for updated revision levels that may affect pin compatibility or electrical characteristics before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing systems requiring both high-voltage buck-boost regulation and native USB PD protocol handling in a single solution. It is suitable for applications needing wide input voltage tolerance and automotive qualification. Consider thermal dissipation requirements due to the integrated power stage. Evaluate board space constraints as the IC combines multiple functions into one compact package.

Power Supply Controllers, Monitors Part Context

This part belongs to Maxim Integrated's automotive power management portfolio, now under Analog Devices. It addresses the growing demand for integrated solutions in electric and hybrid vehicles. The series focuses on simplifying designs by merging power conversion and communication interface functionalities. This integration reduces component count and improves overall system reliability in space-constrained automotive electronics.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct cross-reference part numbers within the MAX254xx family. Verify if alternative devices offer similar USB PD AFE integration without compromising automotive qualification. Ensure any substitute maintains the same pinout and control interface compatibility.