LMR14050SSQDDAQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14050SSQDDAQ1 is an automotive-grade synchronous buck converter from Texas Instruments' SIMPLE SWITCHER family. It supports a 4 V to 40 V input range and delivers up to 5 A continuous output current. The adjustable output voltage spans from 800 mV to 28 V. Operating with a switch frequency between 200 kHz and 2.5 MHz, it features a quiescent current of 40 uA in active mode and 1 uA in shutdown. The device operates within a junction temperature range of -40°C to +125°C and holds AEC-Q100 qualification.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side MOSFET with low on-resistance for efficient power conversion
• Internal loop compensation simplifies design by eliminating external compensation components
• Adjustable switching frequency allows optimization for efficiency or component size
• Comprehensive protection including cycle-by-cycle current limit, thermal shutdown, and output overvoltage protection

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive battery regulation systems
• Industrial power supply modules
• Telecommunications and data communication equipment
• General wide-input voltage regulation tasks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SSQDDAQ1' against official Texas Instruments documentation to confirm automotive grade status and package type. Ensure compatibility with AEC-Q100 requirements for your target application environment. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring robust 40 V input handling and 5 A load capacity. The internal compensation reduces bill of materials complexity compared to non-automotive equivalents. Consider the SO-PowerPAD-8 package for its thermal performance in space-constrained PCB layouts.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR14050 series, which includes variants like LMR14020 and LMR14030 offering lower current options. These devices share pin-to-pin compatibility within the same package family, facilitating design scalability across different power requirements while maintaining consistent footprint constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR14050SQDDARQ1 serves as a verified alternative within the same product line.