LP8865VQDMTRQ1

LED Driver IC Overview

The LP8865VQDMTRQ1 is a Texas Instruments automotive-grade LED lighting driver IC featuring a multi-topology architecture supporting both Buck and Boost configurations. It delivers a maximum output current of 2 A with an input voltage range spanning from 4.5 V to 63 V, accommodating output voltages up to 63 V. The device operates within a programmable switching frequency range of 100 kHz to 2.2 MHz and is housed in a compact VSON-14 package. Designed for robust performance, it functions reliably across an extended temperature range from -40°C to +125°C.

LED Driver IC Feature Summary

• Supports flexible Buck and Boost topologies for diverse LED string configurations
• Integrates high-precision power FET dimming capabilities for accurate control
• Features an open-drain output type for versatile interface compatibility

LED Driver IC Applications

• Automotive exterior lighting systems
• Interior ambient illumination circuits
• High-voltage LED backlighting applications

LED Driver IC Procurement Notes

Verify the specific suffix QDMTRQ1 against the official datasheet to confirm the exact tape-and-reel packaging quantity and temperature grade. Ensure the ordering part number matches the required topology variant, as other suffixes like Z or Y may indicate different internal configurations or feature sets within the same family. Cross-reference the manufacturer's latest documentation for any updates regarding RoHS compliance status and recommended soldering profiles.

LED Driver IC Selection Notes

Select this component when a single-channel driver capable of handling high input voltages up to 63 V is required. The integrated high-precision dimming feature makes it suitable for applications demanding strict luminance consistency. Consider the VSON-14 package size if board space is constrained but thermal dissipation needs are moderate compared to larger packages.

LED Driver IC Part Context

This device belongs to the LP8865 series of automotive LED drivers, which are engineered for high reliability in vehicle environments. The series includes variants with different topologies and pinouts, such as the LP8865Z for Buck-only applications. The LP8865V specifically enables dual-mode operation, offering design flexibility for complex lighting architectures that require both step-down and step-up voltage conversion capabilities.

LED Driver IC Replacement Considerations

LP8865YQDMTRQ1 offers similar multi-topology support with comparable electrical characteristics.