MAX25249ATPK/VY+T

Overview

The MAX25249ATPK/VY+T is a specialized Power Management IC (PMIC) designed for automotive camera applications, certified to ASIL-B safety standards. It operates within an input voltage range of 4.5 V to 36 V and features a TQFN-CU-20 package. The device integrates multiple power rails, including synchronous buck converters with output voltages adjustable from 800 mV to 3.9875 V and linear regulators supporting up to 3.9875 V. Designed for high reliability in harsh environments, it supports operating temperatures from -40°C to +125°C and meets AEC-Q100 qualification requirements.

Feature Summary

• Integrated multi-channel power management architecture combining synchronous buck and LDO regulators for efficient sensor powering
• Functional safety certification compliant with ASIL-B standards for critical automotive vision systems
• Wide input voltage tolerance suitable for direct connection to automotive battery lines
• Compact surface-mount packaging optimized for space-constrained camera module designs

Applications

• Automotive surround-view camera systems
• Advanced Driver Assistance Systems (ADAS) imaging sensors
• Vehicle infotainment camera interfaces
• Autonomous driving perception modules

Procurement Notes

Verify the specific suffix 'PK' against official Analog Devices documentation to confirm pinout and thermal pad configuration differences compared to standard variants. Ensure the component matches the required ASIL-B design guidelines for your target application. Confirm availability status as supply constraints may affect lead times. Validate that the TQFN-CU-20 package aligns with your PCB footprint and assembly capabilities.

Selection Notes

Select this PMIC when designing automotive camera circuits requiring integrated power sequencing and ASIL-B compliance. It consolidates multiple discrete regulators into a single solution, reducing board space and component count. Consider its wide input voltage range for robustness against automotive load dump conditions. Evaluate the thermal performance of the TQFN-CU-20 package relative to your system's heat dissipation requirements.

Part Context

This component belongs to the MAX25249 family of mini PMICs developed by Maxim Integrated, now part of Analog Devices. These devices are engineered specifically for the growing demands of modern automotive vision systems. The family offers various output configurations to support different camera sensor power profiles while maintaining strict automotive quality and safety standards.

FAQ

What is the maximum input voltage supported by the MAX25249ATPK/VY+T?

The device supports a maximum input voltage of 36 V, making it suitable for 12V and 24V automotive electrical systems.

Does this PMIC include internal sequencing logic?

Yes, the MAX25249 series includes integrated power sequencing capabilities to manage the startup and shutdown of connected camera sensors safely.

Is the MAX25249ATPK/VY+T qualified for automotive use?

Yes, it is AEC-Q100 qualified and designed to meet ASIL-B functional safety requirements for automotive applications.