TPS3851G50SQDRBRQ1

Supervisors Overview

The TPS3851G50SQDRBRQ1 is an automotive-grade voltage supervisor from Texas Instruments, designed for high-accuracy power monitoring. It features a fixed 5V threshold and operates within a supply voltage range of 1.6V to 6.5V. The device provides low supply current of 10µA typical and includes a user-programmable watchdog timer alongside factory-programmed reset timers. It offers manual reset input capability and open-drain outputs. Qualified under AEC-Q100 standards, it supports ambient operating temperatures from -40°C to 125°C and is housed in a compact 8-pin VSON package.

Supervisors Feature Summary

• High-accuracy voltage supervision with 0.8% threshold precision
• Integrated user-programmable watchdog timer functionality
• Manual reset input support with open-drain output configuration
• Automotive qualification compliant with AEC-Q100 Grade 1 standards

Supervisors Applications

• Surround view system electronic control units
• Automotive infotainment system power monitoring
• Body control module voltage supervision

Supervisors Procurement Notes

Verify the specific suffix 'SQ' indicates automotive grade and temperature range compliance against official datasheets. Confirm pinout compatibility with target PCB footprint. Ensure ESD handling procedures meet HBM Level 2 requirements during assembly. Cross-reference manufacturing date codes for lead availability constraints.

Supervisors Selection Notes

Select this component when a fixed 5V undervoltage threshold is required for automotive applications. The integrated watchdog timer simplifies design compared to separate timer ICs. Consider the 8-VSON package size for space-constrained layouts. Verify that the 1.6V minimum operating voltage aligns with the system's lowest rail voltage.

Supervisors Part Context

This part belongs to the TPS3851-Q1 family of high-accuracy voltage supervisors. The family shares core features like low quiescent current and programmable watchdogs but varies by threshold voltage and package type. The G50 variant specifically targets 5V rail monitoring, while other suffixes denote different thresholds or non-automotive grades.

Supervisors Replacement Considerations

TPS3851G50EDRBRQ1 is a parameter-equivalent alternative within the same automotive family.