LP5569ARTWR

LED Driver IC Overview

The LP5569ARTWR is a nine-channel I2C RGB LED driver manufactured by Texas Instruments. It features an integrated charge pump topology and supports an adjustable output voltage range from 2.5 V to 5.5 V. The device delivers up to 160 mA per channel with a switching frequency of 1.25 MHz. It is housed in a WQFN-24 package and operates within a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Integrates a charge pump for efficient power management
• Supports programmable current control via I2C interface
• Provides independent regulation for multiple RGB channels

LED Driver IC Applications

• RGB LED lighting systems
• Backlight drivers for displays
• Programmable indicator arrays

LED Driver IC Procurement Notes

Verify the specific suffix ARTWR against the official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with the target I2C bus voltage levels and check thermal requirements for the WQFN-24 footprint during integration.

LED Driver IC Selection Notes

Select this component when multi-channel RGB control with integrated boost capability is required. Consider the 160 mA output limit and 1.25 MHz switching frequency for EMI and thermal design constraints compared to lower-frequency alternatives.

LED Driver IC Part Context

This part belongs to the LP5569 series of LED drivers designed for complex lighting applications. It distinguishes itself through integrated charge pump functionality, eliminating the need for external inductors in certain configurations while maintaining precise current regulation across all nine channels.

LED Driver IC Replacement Considerations

Consult the manufacturer's cross-reference guide for verified substitutes. Generic equivalents may lack the specific I2C command set or charge pump efficiency characteristics documented for this model.