LMR14050SQDPRTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14050SQDPRTQ1 is an automotive-grade SIMPLE SWITCHER step-down DC/DC converter from Texas Instruments. It operates with an input voltage range of 4 V to 40 V and delivers a maximum output current of 5 A. The device supports adjustable output voltages from 800 mV to 28 V. It features a programmable switching frequency between 200 kHz and 2.5 MHz and maintains a low quiescent current of 40 uA. Certified under AEC-Q100, it functions within a temperature range of -40°C to +125°C and is housed in a WSON-10 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability
• Integrated power stage capable of delivering up to 5 A continuous output current
• Wide input voltage tolerance supporting 4 V to 40 V supply ranges
• Flexible switching frequency adjustment to optimize external component size

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems requiring stable power rails
• Electronic control units (ECUs) in vehicle networks
• Telematics and gateway modules
• Body electronics and lighting controllers

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number suffix against official Texas Instruments documentation to confirm package type and temperature grade. Ensure compatibility with automotive quality requirements by checking for AEC-Q100 certification status. Cross-reference datasheet revisions to validate pinout and electrical specifications before integration into designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring high current capability and wide input voltage ranges. Consider the WSON-10 package for compact board space constraints. Evaluate thermal performance based on the specific load conditions and ambient temperatures expected in the final application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMR14050 family of SIMPLE SWITCHER converters. It shares core architecture with other variants like the LMR14050SSQDDARQ1 but differs in packaging and specific automotive qualification details. The family emphasizes ease of design implementation and robust performance in demanding power management scenarios.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.