LP87524PRNFRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LP87524PRNFRQ1 is a quad-output synchronous buck converter IC from Texas Instruments, designed for automotive applications. It features four independent adjustable outputs, each capable of delivering up to 4A. The device operates with an input voltage range of 2.8V to 5.5V and provides adjustable output voltages from 0.6V to 3.36V. It utilizes a fixed 4MHz switching frequency and is housed in a 26-PowerVFQFN package (4.5x4mm) with wettable flanks for enhanced inspection. The component is AEC-Q100 qualified and supports an operating temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Four independent synchronous buck converters with individual current sharing capabilities
• Integrated high-side and low-side N-channel MOSFETs for efficient power conversion
• Fixed internal switching frequency simplifies external component selection
• Wettable flank package design enables automated optical inspection

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Digital cockpit domain controllers
• Telematics control units
• ADAS sensor power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'PRNF' against official datasheets to confirm the specific pinout and thermal pad configuration. Ensure the order quantity matches the required reel or cut tape specifications. Confirm AEC-Q100 qualification status if the application demands strict automotive reliability standards. Cross-reference the manufacturer part number with authorized distributor listings to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when four isolated, high-current rails are required within a compact footprint. The fixed 4MHz frequency reduces passive component size compared to lower-frequency alternatives. Consider the 26-VQFN-HR package for its thermal performance and inspection advantages. Evaluate the 4A per channel limit against peak load requirements to ensure adequate headroom.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LP87524x-Q1 family of multi-phase buck converters. It shares architectural similarities with other members like the LP87524JRNFRQ1 but differs in specific electrical characteristics such as switching frequency options and internal controller tuning. The family targets complex automotive power architectures requiring multiple regulated rails from a single primary source.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LP87524JRNFRQ1 offers similar quad-output topology but may differ in switching frequency specifications. Verify pin compatibility and thermal resistance values before substitution. Other LP87524 variants may require different external inductor values due to frequency variations.