U479B-MY

Lighting, Ballast Controllers Overview

The U479B-MY is a monolithic bipolar integrated circuit designed for automotive lamp failure monitoring. It operates within a supply voltage range of 9V to 15V and draws a typical supply current of 4.5 mA. The device is housed in an 8-DIP package with a pin pitch of 0.300 inches (7.62 mm). It functions as a comparator to detect open circuits in vehicle lighting systems, ensuring compliance with automotive safety standards for lamp outage detection.

Lighting, Ballast Controllers Feature Summary

• Monolithic bipolar integrated circuit architecture optimized for automotive environments
• Integrated comparator logic configured specifically for lamp failure detection
• Designed to monitor electrical continuity in automotive lighting circuits

Lighting, Ballast Controllers Applications

• Automotive headlamp outage monitoring
• Tail light circuit failure detection
• Vehicle interior lighting supervision

Lighting, Ballast Controllers Procurement Notes

Verify the component status carefully, as this part may be classified as obsolete by the manufacturer. Confirm that the 8-DIP package dimensions match your PCB footprint requirements. Ensure compatibility with the specified 9V to 15V supply range for your specific application design before procurement.

Lighting, Ballast Controllers Selection Notes

Select this component when a dedicated hardware solution for automotive lamp monitoring is required. It is suitable for designs needing a low-power, bipolar IC that integrates comparator functionality directly into a single package. Consider the through-hole DIP packaging constraint during board layout planning.

Lighting, Ballast Controllers Part Context

This component belongs to the U479 series of automotive analog circuits manufactured by Microchip Technology. It is part of the Power Management category, specifically under Lighting and Ballast Controllers. The series is engineered for robust performance in harsh automotive electrical environments.

Lighting, Ballast Controllers Replacement Considerations

Check for direct cross-references from Atmel or Vishay Telefunken if available. Verify pinout compatibility and electrical specifications against any alternative lamp outage controllers before substitution.