LMR14020SSQDDAQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14020SSQDDAQ1 is an automotive-grade synchronous buck converter from the SIMPLE SWITCHER family, designed for high-efficiency power management. It supports 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. Operating with a fixed switching frequency of 2.2 MHz, it achieves low quiescent current of 40 uA. The device is qualified to AEC-Q100 standards and operates within a junction temperature range of -40°C to +125°C, housed in an SO-PowerPAD-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliable operation in vehicle environments.
• Integrated synchronous rectification provides high efficiency across wide load and input voltage ranges.
• Fixed 2.2 MHz switching frequency enables the use of compact external components to minimize solution size.
• Low quiescent current consumption contributes to extended battery life in standby or light-load conditions.

Voltage Regulators - DC DC Switching Regulators Applications

• On-board charging systems for electric and hybrid vehicles
• Infotainment and display power distribution networks
• Body control modules and lighting driver circuits
• Telematics and connectivity unit 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 tape-and-reel or tube packaging configuration. Cross-reference the revision history to validate component availability and lifecycle status before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive applications requiring robust input voltage handling up to 40 V. The fixed 2.2 MHz frequency is optimal for minimizing passive component footprint while maintaining stable regulation. Ensure thermal design accounts for the SO-PowerPAD-8 package capabilities under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMR14020 series of SIMPLE SWITCHER regulators, which are engineered for space-constrained designs. The series integrates power switches and control logic into a single compact IC, reducing the bill of materials and simplifying layout requirements for engineers developing efficient DC-DC conversion stages.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same product family. Verify that any substitute maintains identical automotive qualification levels and electrical specifications to ensure system reliability without redesigning the surrounding circuitry.