LP875241SRNFRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LP875241SRNFRQ1 is an automotive-grade quad-output buck converter IC from Texas Instruments, designed for high-current applications. It integrates four synchronous buck converters within a single package, delivering a total output current of 10A. The device operates with an input voltage range of 2.8V to 5.5V and provides adjustable positive outputs starting from 0.6V. Each output channel supports up to 4A, utilizing a 4MHz switching frequency for efficient power conversion. Packaged in a 26-pin PowerVFQFN (4.5x4mm) with wettable flanks, it ensures reliable surface-mount assembly. Certified under AEC-Q100 standards, it functions reliably across a temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates four independent synchronous buck converters in a compact footprint
• Supports high total output current capability for demanding load requirements
• Features adjustable output voltages with precise regulation capabilities
• Includes integrated switches for simplified external component selection

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems requiring multiple regulated rails
• Advanced Driver Assistance Systems (ADAS) power distribution
• Telematics control units with high current demands
• In-vehicle networking modules needing stable voltage supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SRNF' confirms the tape-and-reel packaging format and lead finish specifications required for your automated assembly line. Ensure the AEC-Q100 qualification grade matches your vehicle's reliability standards. Cross-reference the 26-PowerVFQFN footprint dimensions against your PCB design guidelines to guarantee proper solder joint formation, particularly noting the wettable flank feature for inspection purposes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Choose this component when a single-package solution is needed to reduce board space and simplify BOM management for multi-rail designs. It is suitable for applications requiring synchronized or asynchronous operation of multiple buck converters without external timing components. Consider its 4MHz switching frequency if minimizing passive component size is a priority, while ensuring thermal management strategies accommodate the 10A total current capacity within the specified ambient temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LP8752x-Q1 family of automotive PMICs, which are optimized for MMIC and sensor applications. Unlike the LP87524 variant which offers mixed current ratings (4A + 2.5A + two 1.5A), the LP875241 variant provides uniform 4A capability across all four channels. This symmetry simplifies thermal design and allows for balanced load distribution in high-performance automotive electronic control units.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other LP8752x-Q1 variants such as LP87524BRNFRQ1, though current distributions differ. Verify pin compatibility and thermal performance before swapping. No direct cross-brand replacements are confirmed in public documentation.