LMQ61460AFSQRJRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMQ61460AFSQRJRRQ1 is an automotive-grade synchronous step-down DC-DC converter from Texas Instruments. It operates with an input voltage range of 3 V to 36 V and delivers a maximum output current of 6 A. The adjustable output voltage spans from 1 V to 34.2 V. Key electrical parameters include a switching frequency range of 200 kHz to 2.2 MHz and a typical quiescent current of 600 nA. The device is housed in a VQFN-HR-14 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 reliability in vehicle environments.
• Integrated low EMI design features to minimize electromagnetic interference during switching operations.
• Wide input voltage capability allows compatibility with various automotive power bus architectures.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment system power distribution
• Telematics control unit power regulation
• ADAS sensor module power supply

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix JRRQ1 against the official datasheet to confirm the exact tape-and-reel packaging configuration and temperature grade. Ensure the ordering part number matches the required functional specifications, as suffix variations may indicate differences in packaging or testing criteria rather than internal circuit changes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive applications requiring high efficiency and low noise within a compact footprint. The wide input range accommodates load dump conditions common in automotive systems. Consider the thermal performance of the VQFN-HR-14 package relative to the expected PCB copper area and ambient operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMQ61460 family of low EMI synchronous buck converters designed specifically for automotive use. It shares core topology with other members but differs in packaging and specific qualification markings. The family targets high-current applications where size constraints and electromagnetic compatibility are critical design factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference compatibility through official TI resources before implementation.