LP8865YQDMTRQ1

LED Driver IC Overview

The LP8865YQDMTRQ1 is a single-channel, multi-topology LED driver IC from Texas Instruments, housed in a VSON-14 package. It supports Buck and Boost configurations with an input voltage range of 4.5 V to 63 V and an output voltage capability up to 63 V. The device delivers a maximum output current of 2 A and operates at a switching frequency between 100 kHz and 2.2 MHz. It features analog and pulse-width modulation (PWM) dimming capabilities alongside high-precision power FET dimming. The component functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Supports both Buck and Boost topologies for flexible LED string configuration
• Integrates high-precision power FET dimming for accurate current control
• Enables mixed analog and PWM dimming methods for system flexibility

LED Driver IC Applications

• Automotive exterior lighting systems
• Interior automotive illumination modules
• General LED lighting applications requiring multi-topology support

LED Driver IC Procurement Notes

Verify the specific suffix 'Y' against official Texas Instruments documentation to confirm exact binning or functional variations, as this character often denotes specific manufacturing lot attributes rather than core electrical changes. Ensure compatibility with automotive qualification standards if used in regulated environments. Cross-reference the datasheet revision date to confirm parameter stability before finalizing design integration.

LED Driver IC Selection Notes

Select this component when a single-channel driver capable of handling both step-down and step-up voltage requirements is necessary. It is suitable for designs requiring integrated power switching without external MOSFETs. Consider the VSON-14 package size constraints and the 2 A current limit relative to the target LED load. Verify that the required dimming strategy aligns with the supported analog and PWM inputs.

LED Driver IC Part Context

This part belongs to the LP8865 family of automotive-grade LED drivers designed for robust performance in vehicle environments. The series offers various topology options and channel counts to address diverse lighting needs. The LP8865Y variant specifically targets applications needing combined buck-boost functionality within a compact form factor, distinguishing it from single-topology counterparts in the lineup.

LED Driver IC Replacement Considerations

LP8865VQDMTRQ1: Similar multi-topology architecture with comparable electrical specifications.

LED Driver IC FAQ

Does the LP8865YQDMTRQ1 support synchronous rectification?

No, the LP8865YQDMTRQ1 is classified as a non-synchronous multi-topology LED driver.

What is the maximum operating junction temperature for this device?

The maximum operating temperature is specified as +125°C.