LMQ61460AASQRJRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMQ61460AASQRJRRQ1 is an automotive-grade synchronous step-down DC-DC converter manufactured by 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 device features an adjustable output voltage range from 1 V to 34.2 V and supports switching frequencies between 200 kHz and 2.2 MHz. It exhibits a typical quiescent current of 600 nA and functions within a junction temperature range of -40°C to +150°C. The component is housed in a 14-pin VQFN-HR package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments
• Integrated low EMI spread spectrum modulation to minimize electromagnetic interference emissions
• High efficiency synchronous buck topology with integrated power switches
• Programmable switching frequency allows optimization for specific design requirements

Voltage Regulators - DC DC Switching Regulators Applications

• On-board charging (OBC) systems in electric vehicles
• Infotainment and display power distribution networks
• ADAS sensor and processing unit power supplies
• Body control module (BCM) power regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number against official Texas Instruments documentation to ensure correct suffix alignment, as variations exist within the LMQ61460 family. Confirm that the specific revision matches your design requirements. Cross-reference datasheet specifications directly with the manufacturer's source to validate electrical parameters before integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing automotive power stages requiring high current capability and strict electromagnetic compatibility. The wide input voltage range accommodates various automotive bus architectures. Ensure thermal management strategies align with the VQFN-HR package characteristics and the specified operating temperature limits for reliable long-term performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMQ61460 series of automotive synchronous buck converters. It shares architectural similarities with other members like the LM61460 but includes specific enhancements for low electromagnetic interference. The series targets demanding automotive applications where size, efficiency, and noise performance are critical constraints for power management solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the LM61460AASQRJRRQ1 and PLM61460AASQRJRTQ1. Verify pinout compatibility and specific electrical parameter differences such as EMI filtering capabilities or thermal resistance before swapping components in existing designs.