LM5163QDDARQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM5163QDDARQ1 is an automotive-grade synchronous buck DC/DC converter from Texas Instruments. It supports a wide input voltage range of 6 V to 100 V and delivers up to 500 mA output current. The device operates with a fixed switching frequency of 1 MHz and features adjustable output voltage starting from 1.2 V. It is housed in an 8-SO-PowerPAD package and is qualified to AEC-Q100 standards for operation between -40°C and +150°C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency across load ranges
• Wide input voltage capability suitable for 12V, 24V, and 48V automotive systems
• Automotive qualification ensuring reliability under harsh environmental conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment system power distribution
• Instrument cluster voltage regulation
• Body control module power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'QDDARQ1' matches the required automotive grade and tape-and-reel packaging configuration. Confirm that the 8-SO-PowerPAD footprint aligns with the target PCB design. Ensure compliance with RoHS3 directives as specified in official documentation before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for high-voltage automotive inputs requiring moderate current levels. The fixed 1 MHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Verify thermal performance requirements given the 150°C maximum junction temperature rating and the specific power dissipation expected in the application.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM516x-Q1 family of wide-input synchronous buck converters designed specifically for automotive applications. It shares architectural similarities with other members like the LM5164 but offers distinct output current capabilities. The family targets robust power management solutions for demanding vehicle environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5163DDAR is a non-automotive equivalent within the same series. Verify if automotive qualification is strictly required for the end application before substituting.