TL4050B50QDCKRQ1

Overview

The TL4050B50QDCKRQ1 is an automotive-grade precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 5V with an initial accuracy of 0.2% and a temperature coefficient of 50 ppm/C. The device operates within a junction temperature range of -40°C to +125°C and supports a maximum cathode current of 15 mA. It is housed in a compact SC-70-5 surface-mount package and meets AEC-Q100 qualification standards for automotive applications.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• High precision with 0.2% initial accuracy and low temperature drift
• Micropower operation suitable for battery-powered systems
• Compact SC-70-5 footprint for space-constrained designs

Applications

• Automotive sensor signal conditioning
• Data acquisition systems requiring stable references
• Battery management system monitoring
• Industrial control circuits

Procurement Notes

Verify the complete part number including suffixes such as Q1 for automotive qualification and DCKR for the specific SC-70-5 reel packaging configuration. Confirm that the required output voltage and accuracy class match the design specifications before procurement. Ensure compatibility with the intended operating temperature range and check for any recent product change notifications affecting the component.

Selection Notes

Select this component when high accuracy and low power consumption are critical in automotive environments. The 5V output is suitable for interfacing with ADCs and comparators. Consider the SC-70-5 package size constraints and thermal performance requirements. Compare against other TL4050 variants if different voltage outputs or accuracy grades are needed.

Part Context

This device belongs to the TL4050 family of precision shunt voltage references from Texas Instruments. The family offers various output voltages and accuracy grades tailored for industrial and automotive applications. The TL4050 series is designed to replace older zener diodes and less precise references, providing superior stability and lower noise characteristics in sensitive analog circuits.

Replacement Considerations

Check for direct equivalents within the TL4050 family with different voltage taps or accuracy grades. Verify pinout compatibility with existing PCB layouts when substituting with similar SC-70-5 packages from other manufacturers.