LP5812CDSDR

LED Driver IC Overview

The LP5812CDSDR is a four-channel FlexLED driver IC from Texas Instruments, designed for LED lighting applications. It features an operating voltage range of 2.7V to 5.5V with logic pins compatible with 1.8V, 3.3V, and 5V systems. The device utilizes time-cross-multiplexing (TCM) topology and supports PWM dimming. Each channel provides linear constant current output up to 51mA. Communication is managed via I2C interface. The component is housed in an 8-WSON package measuring 3x3 mm.

LED Driver IC Feature Summary

• Integrates four independent channels for flexible LED matrix control
• Supports autonomous operation through time-cross-multiplexing topology
• Enables precise brightness adjustment via PWM dimming capabilities
• Ensures system compatibility with multiple logic voltage levels

LED Driver IC Applications

• General LED lighting fixtures
• Backlighting for displays
• Indicator arrays in consumer electronics
• Decorative LED matrices

LED Driver IC Procurement Notes

Verify the complete part number including the suffix CDSDR to ensure correct package type and temperature rating. Confirm that the design supports the required I2C addressing scheme and current settings. Check for moisture sensitivity handling requirements during assembly. Ensure power supply rails match the specified 2.7V to 5.5V range for reliable operation.

LED Driver IC Selection Notes

Select this component when a compact solution for driving multiple LEDs is required. It is suitable for designs needing analog or PWM dimming control over a small number of channels. Consider the 8-WSON package size for space-constrained PCB layouts. Verify that the 51mA per channel limit meets the specific LED forward current requirements of the target application.

LED Driver IC Part Context

This device belongs to the LP5812 series of LED drivers. It shares functional similarities with other members like the LP5813 but offers specific channel configurations. The series is targeted at low-power LED illumination tasks requiring integrated control and drive capabilities in a minimal footprint.

LED Driver IC Replacement Considerations

Check for direct pin-compatible alternatives within the same family if higher channel counts are needed. Verify electrical parameters against similar drivers from other manufacturers if sourcing constraints exist.

LED Driver IC FAQ

What is the maximum current per channel?

Each channel can deliver a linear constant current of up to 51mA.

How is the device controlled?

The LP5812CDSDR is controlled via an I2C interface for configuration and data input.