LP5813AYBHR

LED Driver IC Overview

The LP5813AYBHR is a synchronous boost LED driver IC designed for 4x3 matrix RGB LED applications. It features an input voltage range of 0.5 V to 5.5 V, with a minimum start-up voltage of 1.8 V. The device supports output voltages between 3 V and 5.5 V and provides an output current of 300 mA per channel, with a switch current capacity of 1.6 A. Operating frequencies are available at 500 kHz and 1 MHz. Dimming capabilities include both analog and PWM methods. The component utilizes I2C communication and includes autonomous animation control functions.

LED Driver IC Feature Summary

• Integrates synchronous boost converter topology for efficient RGB LED matrix driving
• Supports autonomous animation control via I2C interface
• Enables precise dimming through combined analog and PWM mechanisms

LED Driver IC Applications

• RGB LED matrix lighting systems
• General LED lighting driver circuits
• Autonomous animation display modules

LED Driver IC Procurement Notes

Verify the specific suffix 'AYBHR' against official Texas Instruments documentation to confirm package type, temperature grade, and reel specifications. Ensure compatibility with system input voltage requirements, noting the 1.8 V minimum start-up threshold. Cross-reference ordering information directly with manufacturer sources to avoid discrepancies in marking codes or revision levels.

LED Driver IC Selection Notes

Select this component when a compact solution for 4x3 RGB matrices is required. Consider the 1.6 A switch current limit for high-power LED configurations. Evaluate the need for autonomous animation features versus microcontroller-driven control. Verify that the operating frequency options align with external inductor selection constraints and efficiency targets.

LED Driver IC Part Context

The LP5813 belongs to Texas Instruments' family of LED lighting driver ICs. It shares functional similarities with other models in the series but is distinct in its 4x3 matrix configuration and integrated boost architecture. The part is commonly identified by markings such as '5813D' on variant packages like the LP5813DYBHR.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the available source material. Consult Texas Instruments application notes or distributor cross-reference tools for compatible alternatives based on specific electrical and pinout requirements.