LM4132BQ1MFT3.0

Voltage Reference Overview

The LM4132BQ1MFT3.0 is an automotive-grade precision low dropout voltage reference manufactured by Texas Instruments. It utilizes a series reference topology housed in a SOT-23-5 surface-mount package. The device provides a fixed output voltage of 4.096 V with an initial accuracy of ±0.2%. It features a temperature coefficient of 30 ppm/°C and operates within a junction temperature range of -40°C to +125°C. Key electrical specifications include a maximum input voltage of 6 V, a maximum shunt current of 20 mA, and a typical operating supply current of 60 µA. The component is AEC-Q100 qualified for automotive applications.

Voltage Reference Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments
• Precision series voltage reference architecture ensuring stable output under varying load conditions
• Low dropout operation capability allowing efficient performance with minimal input-output voltage differential
• Compact SOT-23-5 packaging designed for space-constrained surface-mount assembly

Voltage Reference Applications

• Automotive electronic control units requiring stable reference voltages
• Data acquisition systems in automotive environments needing high accuracy
• Analog-to-digital converter reference inputs for signal processing
• Battery management system monitoring circuits

Voltage Reference Procurement Notes

Verify the specific suffix 'T3' indicates tape-and-reel packaging configuration when sourcing. Confirm that the 'Q1' designation aligns with required automotive qualification standards for your application. Ensure the 4.096 V output variant matches your circuit design requirements. Check for RoHS compliance status as indicated in official documentation. Validate the SOT-23-5 footprint compatibility with your PCB layout before procurement.

Voltage Reference Selection Notes

Select this component when automotive reliability and precision are critical. The 4.096 V output is suitable for interfacing with standard ADCs. Consider the 60 µA quiescent current for battery-powered designs. The 30 ppm/°C drift offers stability across wide temperature ranges. Compare against non-automotive grades if cost is a primary constraint but verify qualification needs.

Voltage Reference Part Context

This part belongs to the LM4132 family of precision voltage references from Texas Instruments. The family includes various output voltages and accuracy grades. The LM4132BQ1 variant specifically targets automotive markets with enhanced reliability testing. It shares pinout compatibility with other SOT-23-5 references in the series, facilitating design-in flexibility across different product lines.

Voltage Reference Replacement Considerations

LM4132BQ1MF/NOPB is a verified equivalent part number offering identical electrical characteristics and automotive qualification. Verify that any substitute maintains the same SOT-23-5 package and 4.096 V output. Ensure the replacement also meets AEC-Q100 requirements if automotive use is intended.