LMR51610XQDBVRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR51610XQDBVRQ1 is an automotive-grade synchronous buck converter from Texas Instruments. It operates with an input voltage range of 4 V to 65 V and delivers a maximum output current of 1 A. The adjustable output voltage spans from 800 mV to 28 V. Key electrical parameters include a fixed switching frequency of 400 kHz, a typical quiescent current of 420 uA, and an operating junction temperature range from -40°C to +150°C. The device is housed in a SOT-23-6 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant for reliable operation in vehicle environments
• Integrated synchronous rectification for high efficiency across load ranges
• Wide input voltage capability supporting various non-regulated power sources
• Compact SOT-23-6 packaging optimized for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Body control modules
• Telematics units
• ADAS sensor power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the Q1 suffix confirms AEC-Q100 automotive qualification status. Ensure the DBVR suffix matches the required SOT-23-6 surface-mount package variant. Confirm the X suffix aligns with specific tape-and-reel or manufacturing lot requirements. Cross-reference the full part number against official Texas Instruments documentation to validate all suffix definitions before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when automotive reliability is mandatory and input voltages exceed standard industrial limits up to 65 V. The 1 A output current suits moderate load applications requiring compact form factors. Consider the fixed 400 kHz frequency for balancing component size and efficiency. Verify thermal management capabilities within the specified -40°C to +150°C junction temperature range for harsh automotive environments.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR51610 family of wide-input synchronous buck converters. The family shares core topology and performance characteristics but varies by qualification level and packaging. The LMR51610XQDBVRQ1 specifically denotes the automotive-qualified version with the corresponding package and reel configuration, distinguishing it from commercial variants like the LMR51610YDBVR.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes within the same automotive-qualified family include the LMR51610XDBVRQ1. Verify that any replacement maintains identical suffix specifications for package type and qualification standards to ensure mechanical and regulatory compatibility without redesign.