LM339LVQPWRQ1

Overview

The LM339LVQPWRQ1 is an automotive-grade, low-voltage quad-channel analog comparator manufactured by Texas Instruments. It operates within a supply voltage range of 1.65 V to 5.5 V and features rail-to-rail input capability. The device provides open-drain outputs and exhibits a typical propagation delay of 600 ns with a maximum input offset voltage of 400 µV. Designed for robust performance in harsh environments, it supports operating temperatures from -40°C to +125°C and consumes a typical supply current of 25 µA per channel.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle applications
• Rail-to-rail input stage enables accurate sensing across the full common-mode voltage range
• Low quiescent current consumption supports energy-efficient designs in battery-powered systems

Applications

• Automotive sensor signal conditioning
• Battery management system voltage monitoring
• General-purpose threshold detection in vehicle electronics

Procurement Notes

Verify that the component carries the Q1 suffix, indicating automotive grade qualification. Confirm the PW package code corresponds to the TSSOP-14 housing. Ensure the datasheet version matches the required electrical specifications for your design. Check for RoHS compliance documentation if environmental regulations apply. Validate the supplier's authorization status to guarantee genuine TI product sourcing.

Selection Notes

Select this part when automotive reliability and low-voltage operation are critical. The rail-to-rail inputs allow direct interfacing with sensors without level shifting. The open-drain output simplifies logic interface with varying voltage domains. Consider the 600 ns delay for timing-sensitive applications. The wide temperature range suits under-hood or exterior automotive mounting locations.

Part Context

This component belongs to the LM339LV-Q1 family of low-voltage comparators. It shares functional similarities with the LM339LVQDRQ1 but differs in packaging. While the QDR variant uses SOIC-14, this model utilizes the TSSOP-14 (PW) package. Both parts offer quad-channel configurations and automotive qualification, providing designers with packaging flexibility for different board space constraints.

Replacement Considerations

The LM339LVQDRQ1 serves as a pin-compatible alternative with identical electrical characteristics but housed in an SOIC-14 package instead of TSSOP-14. Verify footprint compatibility before substitution. Other LM339 variants may lack the specific low-voltage or automotive qualifications required for this application.