MAX25249ATPC/VY+

Overview

The MAX25249ATPC/VY+ is a high-voltage, ASIL-B certified camera power management integrated circuit (PMIC) designed for automotive image sensors. It integrates four output regulators: three synchronous buck converters and one low-dropout linear regulator (LDO). The device operates with an input voltage range of 4.5V to 36V and features a switching frequency of 2.2MHz. Output specifications include 1A at 3V-4V for the first channel, and 1.2A at 0.8V-3.9875V for channels two and three. It is housed in a 20-WETQFN package with wettable flanks, rated for operation between -40°C and 125°C.

Feature Summary

• ASIL-B functional safety certification for automotive camera applications
• Integrated topology combining three synchronous buck converters and one LDO
• High-voltage input capability supporting wide automotive supply ranges
• Wettable flank package design for enhanced solder joint inspection

Applications

• Automotive camera sensor power supply
• ADAS imaging systems
• Vehicle infotainment camera modules

Procurement Notes

Verify the specific suffix 'ATPC' against official Analog Devices documentation to confirm pinout and thermal pad configuration. Ensure the selected variant matches the required ASIL-B compliance level for your target application. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement orders.

Selection Notes

Select this component when designing for high-voltage automotive environments requiring integrated power regulation for image sensors. The combination of synchronous buck and LDO outputs simplifies bill of materials by reducing external component count. Verify that the 2.2MHz switching frequency aligns with electromagnetic interference constraints in the system architecture.

Part Context

This part belongs to the MAX25249 family of mini PMICs developed for automotive camera sensors. It provides a compact solution for powering complex image processing units within strict space and efficiency limits. The series supports various packaging options to accommodate different board layout requirements while maintaining automotive reliability standards.

Replacement Considerations

Consult the official MAX25249 datasheet for confirmed substitute part numbers within the same product family. Verify compatibility regarding input voltage ranges and output current capabilities before implementing any alternative components.