LM22671QMRX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22671QMRX-ADJ/NOPB is a SIMPLE SWITCHER step-down voltage regulator manufactured by Texas Instruments. It operates with an input voltage range of 4.5 V to 42 V and provides a maximum output current of 500 mA. The device features an adjustable output voltage and supports switching frequencies up to 1 MHz. It is housed in an 8-pin SO-PowerPAD package and is qualified under the AEC-Q100 standard for automotive applications. The component functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-voltage power switch enables efficient buck conversion without external components.
• Adjustable switching frequency allows optimization for size, efficiency, or EMI performance.
• Automotive qualification ensures reliability for demanding operational environments.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix QMRX indicates automotive grade qualification and tape-and-reel packaging. Confirm the ADJ designation matches the required adjustable output configuration. Ensure the NOPB suffix confirms lead-free and RoHS compliance. Cross-reference the manufacturer part number against official datasheets to validate pinout and thermal characteristics before integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an automotive-grade buck converter is required for inputs up to 42 V. The adjustable frequency feature offers flexibility for noise-sensitive designs. Compare the 500 mA output capability against load requirements. Consider the SO-PowerPAD package for thermal management needs in compact layouts.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM22671 series of SIMPLE SWITCHER regulators. It shares architectural similarities with other members like the LM22671MR-5.0 but differs in automotive qualification (Q prefix) and output adjustability. The series is designed for high-efficiency power conversion in space-constrained applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22671MRX-ADJ/NOPB serves as a non-automotive equivalent. LM22673QMRE-5.0/NOPB offers higher current capacity but fixed voltage. Verify package compatibility and thermal performance when substituting.