LM20144QMHE/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM20144QMHE/NOPB is an automotive-grade synchronous buck regulator from Texas Instruments. It operates with an input voltage range of 2.95V to 5.5V and delivers up to 4A output current. The device features adjustable switching frequencies between 500 kHz and 1.5 MHz. It provides a positive adjustable output starting at 0.8V in a single-output configuration. The component is housed in a 16-PowerTSSOP package and supports operation temperatures from -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive grade qualification compliant with AEC-Q100 standards
• High current capability supporting up to 4A load requirements
• Adjustable switching frequency for optimized efficiency and filter size
• Accurate current limit protection to minimize inductor saturation

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix HE against the manufacturer's official datasheet to confirm pinout and thermal pad specifications. Ensure the selected supplier provides traceability documentation required for automotive supply chains. Confirm RoHS compliance status through the latest product data sheet revision notes before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring high current density within a narrow input voltage window. The adjustable frequency feature allows designers to optimize magnetic component sizes. Verify that the external inductor selection aligns with the accurate current limit thresholds specified in the electrical characteristics table.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the PowerWise family of switching regulators designed for low noise and high efficiency applications. The LM20144 series integrates high-side and low-side MOSFETs into a single monolithic IC. This integration reduces the external component count and simplifies PCB layout compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM20144QMH without the NOPB suffix for identical functionality. Verify compatibility with LM20144 variants if different packaging options are required.