LM25010Q1MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM25010Q1MHX/NOPB is an automotive-grade, current-mode non-synchronous buck/boost controller designed for wide input voltage applications. It supports a VIN range of 6V to 42V and delivers up to 3.5A output current. The device operates at a fixed switching frequency of 500kHz with a maximum duty cycle of 75%. It features a quiescent current of 4.5mA and functions within a junction temperature range of -40°C to +125°C. Packaged in a 20-pin HTSSOP, it includes integrated soft-start and protection features suitable for robust power management systems.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports both buck and boost topologies for flexible voltage conversion
• Integrated high-side N-channel MOSFET driver for simplified design
• Fixed 500kHz switching frequency reduces external component size
• Built-in soft-start limits inrush current during startup

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment and body control modules
• DC-DC conversion for 12V or 24V vehicle networks
• Industrial point-of-load regulation
• Battery-powered equipment step-up/down circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'Q1' against official Texas Instruments documentation to confirm exact automotive qualification level and reliability standards. Ensure the package type matches the required PCB footprint. Cross-reference the datasheet revision date to confirm feature availability. Confirm RoHS compliance status as per the latest manufacturer declaration before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this controller when a single-stage solution for both step-down and step-up conversion is required. It is suitable for designs needing a fixed 500kHz frequency to minimize passive component count. Consider its 3.5A current capability and 42V input limit for appropriate load and source conditions. Evaluate thermal performance in the HTSSOP-20 package for the expected ambient operating environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM25010 family of wide-input voltage controllers from Texas Instruments. It is part of the broader portfolio of power management ICs designed for automotive and industrial applications. The Q1 suffix typically denotes enhanced automotive qualification compared to standard commercial variants within the same functional family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM25010MHX/NOPB: Commercial grade equivalent without automotive qualification. LM25118MHX/NOPB: Similar functionality but different pinout and control architecture.