LP5522TMX/NOPB

LED Driver IC Overview

The LP5522TMX/NOPB is a programmable LED driver IC manufactured by Texas Instruments, designed for single-channel applications. It operates within an input voltage range of 2.7 V to 5.5 V and delivers an output current of up to 20 mA. The device utilizes a charge pump topology with an operating frequency of 1.25 MHz. It features I2C control interfaces and supports programmable pulse widths ranging from 1 ms to 255 ms. The component is housed in a compact six-bump DSBGA package and functions reliably across a temperature range of -30°C to +85°C.

LED Driver IC Feature Summary

• Integrates internal programmable memory for autonomous operation without external microcontrollers
• Supports configurable constant current flow through high-side outputs via programmable pulses
• Enables precise timing control with adjustable LED on-time durations

LED Driver IC Applications

• Single-channel RGB/White LED driving
• Backlight illumination systems
• Indicator lighting circuits

LED Driver IC Procurement Notes

Verify the specific suffix designation against the manufacturer's latest documentation to ensure compatibility with required packaging options and environmental compliance standards. Confirm that the DSBGA-6 footprint matches the target PCB layout constraints. Cross-reference the electrical specifications with system requirements to validate performance under intended load conditions.

LED Driver IC Selection Notes

Select this component for designs requiring a compact solution for single-channel LED control with integrated charge pump capabilities. It is suitable for space-constrained applications where I2C interface simplicity and programmable timing are critical. Ensure the supply voltage remains within the specified 2.7 V to 5.5 V range for optimal operation.

LED Driver IC Part Context

This part belongs to the LP5522 series of programmable LED drivers from Texas Instruments. It shares architectural similarities with other members like the LP5521 and LP5523 but is distinguished by its single-channel configuration. The series is characterized by low power consumption and flexible programming options for various lighting control needs.

LED Driver IC Replacement Considerations

Direct substitutes include LP5521TMX/NOPB for multi-channel requirements or LP5523TMX/NOPB for nine-channel configurations. Verify pinout compatibility and software register mapping when transitioning between these variants.