LMR51606XQDBVRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR51606XQDBVRQ1 is an automotive-grade synchronous buck converter from Texas Instruments. It operates with a wide input voltage range of 4V to 65V and delivers up to 600mA output current. The device features adjustable output voltage from 800mV to 28V. Key electrical parameters include a typical quiescent current of 420µA and a fixed switching frequency of 1.1MHz. It is housed in a SOT-23-6 package and supports operation temperatures from -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for high reliability.
• Wide input voltage range accommodates various automotive bus architectures.
• Compact SOT-23-6 packaging enables space-constrained board designs.

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment system power distribution
• Instrument cluster regulation
• Body control module (BCM) power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the Q1 suffix confirms AEC-Q100 automotive qualification. Ensure the X suffix matches the required temperature grade and reliability specifications. Confirm the DBVR suffix corresponds to the SOT-23-6 package variant. Cross-reference the full part number against official Texas Instruments documentation to validate manufacturing status and specific revision details before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring robust performance under wide input voltage fluctuations. The 600mA output capability suits low-power logic or sensor rails. Consider the 1.1MHz switching frequency for balancing efficiency and external component size. Verify thermal management requirements given the small SOT-23-6 footprint and high junction temperature rating.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMR516xx-Q1 family of wide-input synchronous buck converters. It shares architectural similarities with other members like the LMR51610XQDBVRQ1 but offers lower output current capacity. The family targets automotive applications needing reliable, compact power solutions within strict size and environmental constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR51610XQDBVRQ1 offers higher current capacity (1A) with similar input/output ranges and packaging. LMR51603YDBVR provides lower current (300mA) but higher switching frequency (1.1MHz). Verify pin compatibility and thermal performance when substituting within the LMR516xx series.