LM2623QNHLRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM2623QNHLRQ1 is an automotive-grade, gated-oscillator-based DC-DC boost converter from Texas Instruments. It operates with an input voltage range of 0.8 V to 14 V and supports a maximum load current of 2 A. The device features a switching frequency up to 2 MHz and requires a start-up voltage of 1.1 V. It delivers a positive adjustable output voltage ranging from 1.24 V to 14 V in a single-output configuration. Packaged in a 14-pin WSON with an exposed pad, it is qualified under AEC-Q100 standards for Grade 1 applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Gated-oscillator architecture designed for very low output voltage ripple
• AEC-Q100 qualified for automotive applications ensuring reliability in harsh environments
• High switching frequency capability up to 2 MHz for compact external component sizing

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems requiring stable boosted power rails
• Sensor interface circuits needing regulated voltage from lower battery sources
• Body control modules operating within the specified temperature range

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix LRQ1 corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the AEC-Q100 Grade 1 qualification aligns with your system's ambient temperature operational requirements, specifically the -40°C to 125°C range. Ensure compatibility with your board layout constraints regarding the 14-pin WSON EP package dimensions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing automotive power stages that require high efficiency and minimal output noise. The 2 MHz switching frequency allows for smaller inductors and capacitors compared to lower-frequency alternatives. Consider the 2 A load capacity against your peak current demands to ensure adequate thermal performance without excessive heatsinking.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2623 family of general-purpose boost converters. The 'Q1' designation indicates automotive qualification, while 'NHL' specifies the specific package type and temperature grade. It serves as a robust solution for stepping up voltages in vehicle electronics where space and reliability are critical constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other AEC-Q100 qualified boost converters from Texas Instruments with similar input ranges and current capabilities. Verify pin-to-pin compatibility if replacing on existing PCBs. Check if alternative devices offer higher switching frequencies or different package options for improved thermal management.