LM393LVWDSGRQ1

Overview

The LM393LVWDSGRQ1 is an automotive-grade, dual low-voltage 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 compatible with CMOS and TTL logic families. Key electrical specifications include a propagation delay of 600 ns, a quiescent current of 25 µA per channel, and an output sink current of 4 mA. It is qualified to AEC-Q100 standards for automotive applications and is housed in an 8-pin WSON package.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• Rail-to-rail input common-mode voltage range
• Low quiescent current consumption for power efficiency
• Open-drain output configuration for flexible logic interfacing

Applications

• Automotive sensor signal conditioning
• Battery management system threshold detection
• Low-voltage industrial control circuits
• General-purpose voltage monitoring in automotive ECUs

Procurement Notes

Verify the specific suffix 'WDSGRQ1' against the official Texas Instruments datasheet to confirm the exact package type (WSON) and tape-and-reel quantity. Ensure the component meets the required AEC-Q100 grade for your specific automotive application environment. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components, as automotive grades require strict chain-of-custody verification.

Selection Notes

Select this component when designing for automotive environments requiring low-voltage operation between 1.65 V and 5.5 V. It is suitable for applications needing rail-to-rail input compatibility and fast response times around 600 ns. Consider this part over standard commercial comparators if AEC-Q100 reliability is mandatory. Evaluate the open-drain output requirement against your system's pull-up resistor needs.

Part Context

This device belongs to the LM393LV family of low-voltage comparators from Texas Instruments. Unlike the higher-voltage LM393 series which supports up to 30 V, the LV variant is optimized for modern low-power systems. The 'Q1' suffix denotes automotive qualification, distinguishing it from commercial variants like the LM393LVDR. It shares functional similarities with other dual comparators but offers specific low-voltage and automotive reliability characteristics.

Replacement Considerations

Direct pin-compatible replacements may include other AEC-Q100 qualified dual comparators from Texas Instruments such as the LMV393QDRQ1, though electrical parameters like speed and current differ. Verify that any substitute maintains the 1.65 V minimum supply voltage and rail-to-rail input requirements. Check package dimensions for the WSON-8 form factor to ensure mechanical fit.