LP5811CDRRR

LED Driver IC Overview

The LP5811CDRRR is a synchronous boost LED driver IC from Texas Instruments, designed for RGBW applications. It features four independent output channels with a maximum current of 51mA per channel. The device operates within an input voltage range of 3V to 5.5V and supports switching frequencies of 500kHz and 1MHz. It integrates I2C interface control and auto animation capabilities. Dimming is achieved through analog and PWM methods. The component functions in temperatures from -40°C to 85°C and is housed in a 12-pin WSON (DRR) package.

LED Driver IC Feature Summary

• Integrates synchronous boost topology for efficient RGBW LED driving
• Supports I2C communication and built-in auto animation control
• Enables precise brightness regulation via analog and PWM dimming techniques

LED Driver IC Applications

• RGBW LED lighting systems
• General purpose LED driver circuits
• Portable electronic display backlighting

LED Driver IC Procurement Notes

Verify the specific suffix DRR confirms the reel packaging format and pin configuration. Ensure the operating environment stays within the specified -40°C to 85°C temperature range. Confirm compatibility with the system's I2C bus voltage levels. Check that the required output current does not exceed the 51mA per channel limit. Validate the 12-WSON package dimensions against the PCB footprint design.

LED Driver IC Selection Notes

Select this component when a compact solution for RGBW LEDs is required. It is suitable for designs needing integrated boost conversion without external inductors if supported by the specific circuit topology. Consider the 12-pin WSON package for space-constrained layouts. Verify that the I2C interface meets the controller's communication requirements. Ensure the 51mA output capability aligns with the LED array specifications.

LED Driver IC Part Context

This part belongs to the LP5811 series of LED drivers. It is manufactured by Texas Instruments. The device is categorized under LED Lighting Driver ICs. It utilizes a surface-mount technology package. The series is designed for general-purpose lighting applications requiring multi-channel control.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Texas Instruments official resources or authorized distributors for verified cross-reference data before substitution.