LMQ62440CPPQRJRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMQ62440CPPQRJRRQ1 is an automotive-grade synchronous step-down converter from Texas Instruments. It operates with an input voltage range of 3 V to 36 V and delivers up to 4 A of output current. The device features a fixed switching frequency of 2.1 MHz and supports output voltages from 1 V to 34.2 V. It utilizes a VQFN-HR-14 package and functions within a temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side MOSFETs for compact design
• Includes integrated bypass capacitor to reduce external component count
• Designed for low-noise operation in sensitive automotive applications

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package, temperature grade, and tape/reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to ordering. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and availability channels.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed-frequency solution is required for automotive power distribution. The integrated bypass capacitor simplifies layout compared to standard buck converters. Ensure the application input voltage remains within the 3 V to 36 V range and that thermal management accommodates the VQFN-HR-14 package constraints under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMQ62440-Q1 family of automotive DC/DC converters. It shares core topology with other members but differs in specific packaging and suffix configurations. The series targets high-reliability automotive environments requiring robust performance across wide input voltage variations and extreme temperature ranges.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult Texas Instruments documentation for direct pin-compatible alternatives within the LMQ62440 or LM63440 families. Verify electrical parameter equivalence before substitution.