LP87524URNFRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LP87524URNFRQ1 is a Texas Instruments automotive-grade PMIC featuring four independent synchronous buck converters. It operates with an input voltage range of 2.8 V to 5.5 V and provides adjustable output voltages from 0.6 V to 3.36 V. Each channel delivers up to 4 A, supporting a total output current of 16 A. The device utilizes a 4 MHz switching frequency and integrates I²C control, remote sensing, and comprehensive protection mechanisms within a 26-pin PowerVFQFN package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates four high-efficiency synchronous buck DC-DC converter cores for multi-rail power distribution
• Supports automatic transition between PWM and PFM modes to optimize efficiency across varying load conditions
• Enables precise voltage regulation through remote differential voltage sensing capabilities
• Includes programmable GPIOs and sequenced startup/shutdown controls for system management

Voltage Regulators - DC DC Switching Regulators Applications

• Powering advanced driver assistance systems (ADAS) processors
• Supplying power to automotive infotainment platforms
• Providing regulated rails for in-vehicle communication controllers
• Managing power for automotive sensor fusion units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix URNF against the official LP87524x-Q1 datasheet to confirm pinout and thermal pad configuration. Ensure the component meets AEC-Q100 Grade 1 requirements for your target operating temperature range. Confirm that the 26-PowerVFQFN package dimensions align with your PCB footprint specifications before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring four independent low-noise power rails with high current capacity. The 4 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the I²C interface complexity if multiple devices share the bus, and ensure adequate thermal dissipation for the 26-VQFN-HR package under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LP87524 family of automotive power management ICs designed for complex electronic control units. It serves as a centralized power solution, replacing multiple discrete regulators. The Q1 designation indicates compliance with automotive reliability standards, making it suitable for harsh environmental conditions found in modern vehicle architectures.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the LP87524B/J/P-Q1 datasheet for potential pin-compatible or functionally similar alternatives within the same family. Verify that any substitute maintains the 4-channel architecture and 4A per-phase current capability. Cross-reference the I²C register map to ensure software compatibility during migration.