LM5165XQDRCTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM5165XQDRCTQ1 is an automotive-grade synchronous buck converter from Texas Instruments, designed for high-voltage applications. It operates with an input voltage range of 3 V to 65 V and provides a fixed 5 V output at up to 150 mA. The device features a low quiescent current of 10.5 uA and supports switching frequencies up to 600 kHz. Packaged in a compact VSON-EP-10 footprint, it meets AEC-Q100 standards and functions reliably within a junction temperature range of -40 °C to +150 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability
• Wide input voltage capability supporting 3 V to 65 V sources
• Integrated synchronous rectification for improved efficiency
• Compact VSON-EP-10 package optimized for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes such as XQDRC TQ1 to ensure correct automotive grade, package type, and tape-and-reel configuration. Confirm that the specific revision matches the design requirements for input voltage and output specifications. Cross-reference the manufacturer's latest datasheet for any updates on recommended operating conditions or pin assignments before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring wide input voltage tolerance and high reliability. The fixed 5 V output suits digital logic and peripheral power needs. Ensure thermal management aligns with the VSON-EP-10 package capabilities under expected load conditions. Verify compatibility with system shutdown requirements and switching frequency constraints against other components in the power train.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM5165 family of synchronous buck converters. The 'X' indicates automotive grade qualification, while 'Q' denotes qualified for automotive use. The 'DRC' specifies the VSON-EP-10 package, and 'TQ1' identifies the tape and reel packaging format. This series is engineered for robust performance in harsh automotive electrical environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5165XDRCTQ1 serves as a non-automotive equivalent if automotive qualification is not required. LM5165YQDRCTQ1 offers a fixed 3.3 V output instead of 5 V. LM5165QDGSRQ1 utilizes a VSSOP-10 package rather than VSON. Verify pinout compatibility and thermal characteristics when substituting these variants.