UBA2074AT/N1,518

Overview

The UBA2074AT/N1,518 is a high-voltage full-bridge control IC designed for CCFL backlighting applications. It operates as a CCFL/EEFL controller with a frequency range of 43kHz to 46.6kHz. The device supports a supply voltage of 9V to 30V and draws a supply current of 5mA. It features dimming capability and functions within an operating temperature range of -25°C to 100°C. The component is available in a surface-mount 28-SOIC package with a width of 7.50mm.

Feature Summary

• High-voltage full-bridge control architecture optimized for cold cathode fluorescent lamp backlighting
• Integrated dimming functionality for adjustable light output control
• Wide operating temperature range suitable for diverse environmental conditions

Applications

• CCFL backlighting systems
• EEFL driver circuits
• Display ballast controllers

Procurement Notes

Verify the specific suffix N1,518 against official NXP documentation to confirm packaging and tape-and-reel specifications. Confirm current part status as obsolete or active through authorized distributors before procurement planning. Ensure compatibility with existing 28-SOIC footprints and thermal management requirements during integration.

Selection Notes

Select this component for applications requiring a dedicated full-bridge driver for CCFL or EEFL lamps. Consider the 28-SOIC package size for PCB layout constraints. Verify that the 9V to 30V supply range aligns with the system power design. Check if the integrated dimming feature meets the specific lighting control requirements of the target application.

Part Context

This component belongs to NXP's family of lighting and ballast controllers. It is specifically engineered for managing high-voltage loads in display backlighting solutions. The device integrates necessary control logic for full-bridge operation, simplifying the design of efficient and reliable CCFL driving circuits compared to discrete solutions.

Replacement Considerations

Public sources indicate the UBA2074AT/N1,518 is listed as obsolete. No verified public substitute part numbers are provided in the source material. Consult NXP directly for recommended replacements or end-of-life notifications.