LMR14020SSQDDARQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14020SSQDDARQ1 is an automotive-grade synchronous buck converter from Texas Instruments' SIMPLE SWITCHER family. It operates with an input voltage range of 4 V to 40 V and delivers a continuous output current of 2 A. The adjustable output voltage spans from 800 mV to 28 V. Integrated features include a fixed switching frequency range of 200 kHz to 2.5 MHz and a typical quiescent current of 40 µA. The device supports operation across a junction temperature range of -40°C to +125°C and holds AEC-Q100 qualification. It is housed in an 8-pin SO-PowerPAD package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency
• Fixed-frequency pulse-width modulation control architecture
• Automotive reliability certification under AEC-Q100 standards
• Thermal performance optimization via exposed pad thermal management

Voltage Regulators - DC DC Switching Regulators Applications

• On-board charging systems for electric vehicles
• Body electronics power distribution networks
• Infotainment system voltage regulation
• Instrument cluster power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number against official Texas Instruments documentation to ensure correct suffix alignment. Confirm that the specific ordering code matches the required package variant and tape-and-reel specifications. Cross-reference the manufacturer date code and lot traceability requirements with your quality assurance protocols before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring robust 40-V input tolerance and precise 2-A load handling. Ensure the application demands a wide adjustable output range suitable for various digital logic levels. Verify that the operating temperature extremes align with the specified -40°C to +125°C junction rating for reliable long-term performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This regulator belongs to the LMR14020 series, designed specifically for automotive applications. It shares architectural similarities with other SIMPLE SWITCHER devices but is distinguished by its AEC-Q100 qualification and enhanced thermal capabilities within the SO-PowerPAD-8 footprint. The series targets high-reliability power management needs in vehicle subsystems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official LMR14020 datasheet for confirmed pin-compatible or functionally equivalent alternatives. Verify any substitute part against the latest Texas Instruments product change notifications to ensure continued availability and specification compliance.

Voltage Regulators - DC DC Switching Regulators FAQ

Is the LMR14020SSQDDARQ1 qualified for automotive use?

Yes, the device is AEC-Q100 qualified, ensuring it meets the rigorous stress test requirements for automotive integrated circuits.

What is the minimum input voltage required for operation?

The device requires a minimum input voltage of 4 V to initiate and maintain proper regulation.