TLC5924RHBTG4

Overview

The TLC5924RHBTG4 is a 16-channel linear LED driver IC featuring integrated shift register dimming capabilities. It supports an output current of up to 80mA per channel and operates within a supply voltage range extending to 32V. The device utilizes a 32-pin VQFN (5x5mm) package for compact integration. Key electrical specifications include a maximum operating temperature of 85°C and a minimum of -40°C, ensuring reliability across industrial environments. The component provides precise current control for backlight applications.

Feature Summary

• Integrates 16-channel linear current sources with dedicated shift register dimming functionality
• Features built-in DOT correction and pre-charge FETs for enhanced display uniformity
• Supports high-current output capability suitable for demanding backlight requirements

Applications

• LCD panel backlight systems
• Mobile device display illumination
• Portable electronic equipment lighting

Procurement Notes

Verify the exact suffix 'G4' against manufacturer documentation to confirm RoHS compliance status and specific tape-and-reel packaging details. Ensure the ordering part number matches the required thermal performance grade and pin configuration. Cross-reference datasheet revision history for any updates to absolute maximum ratings or recommended operating conditions prior to final procurement validation.

Selection Notes

Select this component when designing circuits requiring individual channel current control without external PWM drivers. The integrated shift register simplifies interface complexity by reducing GPIO usage. Consider the 32V rating for compatibility with higher voltage LED strings. Evaluate the VQFN package size constraints against PCB layout limitations to ensure adequate thermal dissipation paths are available for sustained operation.

Part Context

This device belongs to Texas Instruments' portfolio of power management ICs specifically categorized under LED drivers. It serves as a specialized solution for managing multiple LED channels in display applications. The product line focuses on providing efficient current regulation and dimming control within a compact form factor, addressing the needs of modern portable electronics manufacturers.

Replacement Considerations

Consult official substitution guides for compatible alternatives such as the TLC5924 series variants. Verify pin-to-pin compatibility and electrical parameter alignment before replacing. No direct public substitute part numbers are confirmed in the provided source material; therefore, generic family replacements should be validated through TI's official cross-reference tools.