MAX20478AATBC/VY+T

Supervisors Overview

The MAX20478AATBC/VY+T is an ASIL-D qualified, 2-3 channel power system monitor designed for automotive applications. It operates within a supply voltage range of 2.35 V to 5.5 V and features a typical operating current of 125 uA. The device is housed in a compact 10-pin TDFN package (3mm x 3mm) with side-wettable leads and an exposed pad, suitable for surface mount installation. It supports an extended temperature range from -40°C to +125°C and includes integrated watchdog timer functionality.

Supervisors Feature Summary

• ASIL-D functional safety qualification for critical automotive power monitoring
• Integrated watchdog timer for system fault detection
• Compact 10-pin TDFN package with side-wettable leads for enhanced solderability

Supervisors Applications

• Automotive power distribution units
• ADAS sensor power management
• Vehicle body control modules

Supervisors Procurement Notes

Verify the specific suffix 'BC' against the official Analog Devices datasheet to confirm pinout and threshold configurations. Ensure the component meets AEC-Q100 standards for your target environment. Confirm availability status as supply may be limited or subject to factory order constraints. Validate RoHS compliance documentation prior to integration.

Supervisors Selection Notes

Select this monitor when ASIL-D safety integrity levels are mandatory for power supervision. The 2-3 channel capability allows monitoring multiple rails within a single footprint. The wide input voltage range accommodates various automotive bus architectures. Consider the TDFN package size constraints and thermal requirements for high-density PCB layouts.

Supervisors Part Context

This component belongs to the MAX20479/MAX20478 family of highly integrated power system monitors. These devices are engineered specifically for automotive environments requiring high reliability and safety certification. The family offers varying channel counts and safety integrity levels to suit different subsystem complexity.

Supervisors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with existing design-in alternatives through direct manufacturer cross-reference tools.