LP8556SQX-E00/NOPB

LED Driver IC Overview

The LP8556SQX-E00/NOPB is a six-channel high-efficiency LED backlight driver manufactured by Texas Instruments. It operates within an input voltage range of 2.7 V to 20 V and supports output voltages from 16 V to 34.5 V. The device features a boost topology with selectable switching frequencies of 312 kHz, 625 kHz, and 1.25 MHz. It provides up to 23 mA output current per channel and functions reliably across a temperature range of -30°C to +85°C. The component is housed in a WQFN-24 package.

LED Driver IC Feature Summary

• Six independent output channels designed for high-efficiency LED backlighting applications
• Integrated I2C control interface for digital configuration and monitoring
• Adjustable switching frequency options to optimize external component size and efficiency
• Boost converter topology supporting wide input voltage ranges

LED Driver IC Applications

• LCD panel backlight drivers for portable devices
• LED lighting systems requiring multi-channel control
• Industrial display modules
• Automotive infotainment screens

LED Driver IC Procurement Notes

Verify the exact suffix E00 against the manufacturer datasheet to confirm pinout and electrical specifications. Ensure the WQFN-24 package footprint matches your PCB design. Confirm RoHS compliance status through official documentation before integration. Cross-reference the Mouser number 595-LP8556SQX-E00NOPB for accurate sourcing details.

LED Driver IC Selection Notes

Select this component when a six-channel solution is required for LCD backlighting. The I2C interface allows for precise brightness control and fault monitoring. Consider the 23 mA output capability and 20 V maximum input voltage limits. The WQFN-24 package offers a compact form factor suitable for space-constrained designs.

LED Driver IC Part Context

This part belongs to the LP8556 series of LED lighting drivers from Texas Instruments. The series includes variants with different packages such as DSBGA-20 and WQFN-24. These drivers are engineered for high efficacy in mobile and industrial display applications. The SQX suffix typically denotes specific packaging or tape-and-reel configurations within the product line.

LED Driver IC Replacement Considerations

LP8556SQE-E00/NOPB shares similar electrical characteristics but may differ in package type or minor operational parameters. LP8556SQ-E00/NOPB is another variant within the same family. Verify compatibility regarding thermal performance and pin assignments before substitution.