LP873200RHDRQ1

Overview

The LP873200RHDRQ1 is an automotive-grade PMIC featuring dual 2-A buck converters and a dedicated LDO. It operates within an input voltage range of 2.8 V to 5.5 V, supporting output voltages from 700 mV to 3.6 V for the buck channels. The device is housed in a 28-pin VQFN package with exposed thermal pad, rated for operation between -40°C and +125°C. It holds AEC-Q100 qualification and utilizes a 2-MHz switching frequency.

Feature Summary

• Dual high-current synchronous buck converters integrated with a low-dropout regulator
• Automotive reliability certified under AEC-Q100 standards for extended temperature ranges
• Compact surface-mount packaging designed for efficient thermal dissipation

Applications

• Infotainment system power distribution
• Instrument cluster voltage regulation
• Telematics unit power management

Procurement Notes

Verify the specific suffix RHDR against the official Texas Instruments datasheet to confirm the reel quantity and tape-and-reel specifications. Ensure the order matches the exact Q1 automotive grade designation required for your application environment. Cross-reference the pinout diagram with your PCB layout to prevent orientation errors during assembly.

Selection Notes

Select this component when dual independent buck outputs are required alongside a linear regulator in a space-constrained automotive design. Consider the 2-A current capability per channel for moderate load applications. Evaluate the 28-VQFN footprint against available board real estate and thermal requirements compared to larger packages.

Part Context

This part belongs to the LP8732 family of multi-output power management ICs. It shares architectural similarities with other LP873x series devices but offers specific current ratings and output configurations tailored for compact automotive electronics. The Q1 suffix denotes its compliance with automotive quality and reliability standards.

Replacement Considerations

LP873222RHDRQ1 is a documented parameter-equivalent alternative offering quad outputs with mixed buck and LDO topology.