LM5010AQ1MH/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5010AQ1MH/NOPB is an automotive-grade high-voltage step-down switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 6 V to 75 V and delivers a continuous output current of 1 A. The device features a fixed internal switching frequency of 1 MHz, enabling the use of small external inductors and capacitors. It supports adjustable output voltages from 2.5 V to 70 V. The component is housed in a 14-pin HTSSOP package and is qualified to AEC-Q100 standards for automotive applications. It functions within a junction temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
• Integrated high-side N-channel MOSFET eliminates the need for external bootstrap components.
• Fixed 1 MHz switching frequency allows for compact passive component selection.
• Wide input voltage capability supports direct connection to 12 V, 24 V, and 48 V systems.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment and display power distribution
• Body control module (BCM) power regulation
• Industrial motor control driver supplies
• High-voltage sensor interface power conditioning

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'Q1' confirms AEC-Q100 automotive qualification and extended temperature range capabilities. Ensure the HTSSOP-14 package variant matches the PCB footprint requirements. Confirm RoHS compliance status through the official datasheet or manufacturer declaration prior to integration into production assemblies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring high input voltage tolerance up to 75 V. The fixed 1 MHz frequency is optimal for minimizing solution size compared to lower-frequency alternatives. Consider the 1 A output limit against peak load demands. The integrated high-side switch simplifies gate drive design compared to controllers requiring external drivers.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5010 family of high-voltage buck regulators. The 'Q1' designation specifically denotes automotive grade qualification, distinguishing it from commercial variants like the LM5010MH/NOPB. It shares core topology with the LM5010A series but adheres to stricter automotive reliability standards and testing protocols defined by the Automotive Electronics Council.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5010MH/NOPB: Commercial grade equivalent without automotive qualification. LM5010AMHX/NOPB: Commercial grade with similar electrical specifications but different packaging options. Verify thermal performance and qualification requirements before substituting non-automotive parts.