LP5861TRSMR

LED Driver IC Overview

The LP5861TRSMR is an 18-channel high-current RGB LED driver from Texas Instruments. It integrates constant current sinks configurable from 20mA to 150mA via external resistors. The device supports analog, I2C, PWM, and SPI dimming with 8-bit analog and 8-bit or 16-bit PWM resolution. It operates in a 32-VQFN (4x4) package within a -40°C to 85°C temperature range.

LED Driver IC Feature Summary

• Integrates 18 constant current sinks for high-current RGB LED applications
• Supports multiple dimming methods including analog, I2C, PWM, and SPI
• Configurable output current without requiring a microcontroller

LED Driver IC Applications

• RGB LED matrix displays
• High-performance LED lighting systems
• LED backlighting units

LED Driver IC Procurement Notes

Verify the complete part number LP5861TRSMR against official Texas Instruments documentation to ensure correct package type (VQFN) and tape & reel configuration. Confirm that the specific suffix matches your required operating temperature range and packaging specifications before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when an 18-channel solution with high current capability up to 150mA per channel is required. It is suitable for designs needing flexible dimming control through digital interfaces like I2C or SPI, eliminating the need for external microcontrollers for basic current regulation tasks.

LED Driver IC Part Context

This part belongs to the LP586x family of high-performance LED matrix drivers announced by Texas Instruments. The family integrates 18 constant current sinks with varying channel configurations (N=6/8/11) depending on the specific model variant within the series.

LED Driver IC Replacement Considerations

Consult official Texas Instruments substitution guides for verified alternatives within the LP586x family. Ensure any substitute maintains compatibility with the 32-VQFN package and supports the required 18-channel architecture.