MAX20478BATBF/VY+T

Supervisors Overview

The MAX20478BATBF/VY+T is an ASIL-D compliant supervisory circuit designed for automotive power system monitoring. It features a compact TDFN-10 package and operates within a supply voltage range of 2.35 V to 5.5 V. The device supports adjustable or selectable threshold voltages and includes a watchdog timer function. It is rated for operation across an extended temperature range from -40°C to +125°C, ensuring reliability in demanding automotive environments.

Supervisors Feature Summary

• ASIL-D certified safety integrity level for critical automotive applications
• Multi-channel power system monitoring capability
• Integrated watchdog timer for system fault detection

Supervisors Applications

• Automotive power distribution units
• Safety-critical vehicle control modules
• Automotive infotainment system power supervision

Supervisors Procurement Notes

Verify the specific suffix configuration against official Analog Devices documentation to ensure correct feature set alignment. Confirm current availability status as automotive components may have restricted supply chains. Validate RoHS compliance details through the manufacturer's latest datasheet before integration into production designs.

Supervisors Selection Notes

Select this component when ASIL-D certification is mandatory for the target application. Ensure the input voltage range matches the system's nominal supply levels. Verify that the TDFN-10 package dimensions fit the PCB layout constraints. Consider thermal performance requirements given the high operating temperature rating.

Supervisors Part Context

This part belongs to the MAX20478 series of supervisory circuits from Analog Devices/Maxim Integrated. It is specifically engineered for automotive electronics requiring high functional safety standards. The series provides robust monitoring solutions for complex power architectures in modern vehicles.

Supervisors Replacement Considerations

Check for direct pin-to-pin replacements within the MAX20478 family with different suffixes. Verify compatibility with existing board layouts and firmware if substituting with similar ASIL-D monitors from other manufacturers.