LMR14020QDPRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14020QDPRRQ1 is an automotive-grade synchronous buck converter from Texas Instruments' SIMPLE SWITCHER family. It integrates a high-side MOSFET to deliver a regulated output current of 2A with an input voltage range of 4V to 40V. The device features an adjustable switching frequency between 200kHz and 2.5MHz, allowing optimization for efficiency or component size. Output voltage is adjustable from 800mV to 28V via a single external resistor. It operates within a junction temperature range of -40°C to +125°C and is housed in a compact 10-WSON package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side MOSFET simplifies design by reducing external component count
• Wide input voltage range supports various power supply architectures
• Adjustable switching frequency enables trade-offs between efficiency and passive size
• Internal loop compensation eliminates complex stability calculations

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Body control modules
• Industrial DC-DC conversion
• Battery-powered equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the AEC-Q100 qualification status and specific suffix codes against the official datasheet to ensure compliance with automotive reliability standards. Confirm the 10-WSON package dimensions match your PCB footprint requirements. Check RoHS3 compliance documentation for environmental regulations. Ensure the ordering part number matches the exact thermal pad configuration required for your assembly process.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 2A output current is sufficient for the load requirements. Consider the wide input voltage range if the source supply varies significantly. The adjustable frequency feature allows designers to minimize inductor size for space-constrained applications. Verify that the thermal performance of the WSON package meets the system's heat dissipation needs under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMR140x0 series of SIMPLE SWITCHER regulators, which includes variants with different current ratings such as the LMR14030 and LMR14050. The series is designed for robust performance in demanding environments, offering integrated protection features and simplified design processes through internal compensation. The Q1 suffix indicates automotive grade qualification.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes within the same family include the LMR14020SQDDAQ1, which offers similar electrical characteristics but utilizes an SO-PowerPAD-8 package instead of the WSON-10 form factor. Designers must verify pinout compatibility and thermal pad connections when swapping packages.