LP8861QPWPRQ1

LED Driver IC Overview

The LP8861QPWPRQ1 is a low-EMI, high-performance LED lighting driver IC featuring four constant current channels. It supports Boost and SEPIC topologies with an input voltage range of 4.5 V to 40 V and output voltages up to 45 V. Each channel delivers 100 mA output current. The device operates at adjustable switching frequencies between 300 kHz and 2.2 MHz within a -40°C to +125°C temperature range. Packaged in HTSSOP-20, it holds AEC-Q100 qualification for automotive applications.

LED Driver IC Feature Summary

• Integrated low-EMI design for reduced electromagnetic interference
• Supports both Boost and SEPIC converter topologies
• Four independent constant current LED channels
• AEC-Q100 qualified for automotive reliability standards

LED Driver IC Applications

• Automotive exterior lighting systems
• Interior ambient LED illumination
• High-performance automotive display backlighting

LED Driver IC Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package and tape/reel specifications. Confirm AEC-Q100 qualification status and RoHS compliance requirements match your specific project constraints before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing automotive LED circuits requiring four independent channels with integrated power switches. The adjustable frequency allows optimization for EMI performance versus efficiency. Ensure the application voltage stays within the 4.5 V to 40 V input range and consider thermal management for the HTSSOP-20 package under maximum load conditions.

LED Driver IC Part Context

This device belongs to the LP8861 series of automotive-grade LED drivers from Texas Instruments. It is designed specifically for high-reliability automotive lighting applications where low electromagnetic interference and precise current control are critical. The QPWRQ1 suffix indicates automotive qualification and specific packaging options.

LED Driver IC Replacement Considerations

Consult official Texas Instruments substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully when considering similar LP886x family members or other automotive LED drivers.