LMR38025SQDRRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR38025SQDRRRQ1 is an automotive-grade synchronous step-down DC/DC converter featuring a wide input voltage range from 4.2V to 60V. It integrates two high-side N-channel MOSFETs and delivers up to 2.5A of continuous output current with low quiescent current for improved efficiency at light loads. The device operates with a fixed switching frequency of 500kHz, supporting compact external component selection. It includes comprehensive protection features such as overcurrent protection, thermal shutdown, and soft-start functionality to ensure robust performance in demanding automotive environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability
• Wide input voltage range suitable for various automotive power architectures
• Integrated synchronous rectification for high efficiency and compact design
• Built-in protection mechanisms including thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment systems power distribution
• Instrument cluster power supplies
• Body control module (BCM) regulation
• ADAS sensor power conditioning

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SQDRRRQ1' matches your required tape-and-reel quantity and temperature grade. Confirm that the package type corresponds to your PCB footprint requirements. Ensure the manufacturer's datasheet revision aligns with your design specifications before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive applications requiring a 60V input tolerance and 2.5A output capability. Consider the fixed 500kHz switching frequency for EMI management and passive component sizing. Evaluate the thermal performance based on your expected ambient temperatures and load profiles to determine if additional heatsinking is necessary.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to Texas Instruments' Simple Switcher family of automotive-grade converters. It shares architectural similarities with other members like the LMR38020 but offers higher current capacity. The series is designed to replace discrete solutions and older generation regulators in modern vehicle electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-to-pin replacements may include the LMR38020SQDRRRQ1 for lower current needs or the LMR38025SQDDCRQ1 for different packaging options. Verify compatibility with existing PCB layouts and thermal constraints before substituting.