MAX25249ATPW/VY+

Overview

The MAX25249ATPW/VY+ is a high-voltage, ASIL-B certified camera power management IC (PMIC) manufactured by Analog Devices Inc./Maxim Integrated. It integrates four output regulators within a compact 20-WETQFN package. The device features three synchronous buck converters and one low-dropout linear regulator (LDO). It operates with an input voltage range of 4.5 V to 36 V. The switching frequency for the DC-DC converters is fixed at 2.2 MHz. Output capabilities include up to 1 A for the first channel and 1.2 A for subsequent channels, supporting voltages from 800 mV to 3.9875 V.

Feature Summary

• Automotive safety integrity level B (ASIL-B) certification for functional safety compliance in camera applications.
• Integrated multi-channel topology combining three synchronous buck converters and one LDO for comprehensive power distribution.
• High-voltage input tolerance designed to withstand automotive load dump conditions without external protection components.

Applications

• Automotive surround view camera systems
• Advanced driver assistance system (ADAS) imaging modules
• Vehicle infotainment camera interfaces

Procurement Notes

Verify the specific suffix 'W' against official documentation, as standard listings typically utilize 'P'. Confirm availability status directly with authorized distributors, as supply constraints may apply. Ensure the component meets RoHS3 standards and matches the required thermal performance specifications for the target application environment before finalizing procurement orders.

Selection Notes

Select this PMIC for designs requiring integrated power regulation for image sensors with strict functional safety requirements. The wide input voltage range accommodates various automotive battery architectures. Consider the 20-WETQFN package dimensions for PCB layout optimization. Verify that the combined output current requirements of the connected camera subsystems remain within the specified limits of the integrated regulators.

Part Context

This component belongs to the MAX25249 family of specialized power management ICs tailored for automotive vision systems. It consolidates multiple power rails into a single solution, reducing board space and component count compared to discrete regulator approaches. The family supports various packaging options to suit different assembly requirements while maintaining consistent electrical performance and safety certifications.

Replacement Considerations

MAX25249BATPA/VY+

FAQ

What is the maximum input voltage supported by the MAX25249ATPW/VY+?

The device supports a maximum input voltage of 36 V, allowing it to operate directly from automotive battery systems.

Does the MAX25249ATPW/VY+ include an LDO output?

Yes, the PMIC integrates one low-dropout linear regulator alongside three synchronous buck converters.