TPS3850H33DRCT

Supervisors Overview

The TPS3850H33DRCT is a precision voltage supervisor from Texas Instruments designed for automotive window supervision. It monitors a single input with a fixed threshold of 3.3 V and features an active low, open-drain output. The device includes a watchdog timer and offers a reset delay time of 200 ms. It operates within a supply voltage range of 1.6 V to 6.5 V and maintains high accuracy of 0.8%. The component is qualified under AEC-Q100 standards, ensuring reliability in automotive environments. It functions across an extended temperature range from -40°C to +125°C TJ.

Supervisors Feature Summary

• Precision window supervision for overvoltage and undervoltage monitoring
• Integrated window watchdog timer functionality
• AEC-Q100 qualified for automotive applications

Supervisors Applications

• Automotive window supervisor circuits
• Overvoltage and undervoltage protection systems
• Power management supervisory logic

Supervisors Procurement Notes

Verify the specific suffix DRCT indicates tape-and-reel packaging when ordering. Confirm the H33 designation matches the required 3.3 V threshold for your design. Ensure the Q100 qualification aligns with your automotive project requirements. Check datasheet details for humidity sensitivity levels and storage conditions prior to assembly.

Supervisors Selection Notes

Select this part for designs requiring precise voltage monitoring with integrated watchdog capabilities. The 3.3 V threshold suits standard logic level supervision. Consider the 10-VSON package size for space-constrained PCB layouts. Verify that the 200 ms reset delay meets system startup timing requirements.

Supervisors Part Context

This component belongs to the TPS3850 series of precision voltage supervisors. The series provides reliable monitoring solutions for power rails. The H33 variant specifically targets the 3.3 V nominal rail supervision. It complements other PMIC components in complex power sequencing architectures.

Supervisors Replacement Considerations

TPS3850H33DRCR is a reel equivalent. TPS3850G33DRCT shares similar specifications with potential minor parameter variations.