UM823RP

Supervisors Overview

The UM823RP is a power supervisor IC from Union Semiconductor International Limited, designed for digital system monitoring. It features a threshold voltage (Vth) of 2.63V and operates within a temperature range of -40°C to 85°C (TA). The component is housed in a 5-TSSOP or SC-70-5 package. This series includes cost-effective supervisory circuits intended to monitor power supplies.

Supervisors Feature Summary

• Provides manual reset functionality alongside standard power-on reset capabilities
• Integrates watchdog timer circuitry for system reliability
• Offers active-low reset output driven by internal comparator

Supervisors Applications

• Digital system power supply monitoring
• Microprocessor reset circuits
• Battery-powered equipment supervision

Supervisors Procurement Notes

Verify the specific suffix RP against the manufacturer's official datasheet to confirm pinout compatibility and electrical characteristics. Ensure the 2.63V threshold aligns with your target supply voltage. Confirm the 5-TSSOP/SC-70-5 package dimensions match your PCB footprint requirements before finalizing procurement.

Supervisors Selection Notes

Select this component when a fixed 2.63V threshold is required for systems operating at compatible voltage levels. The integrated watchdog and manual reset features reduce external component count compared to basic supervisors. Consider the industrial temperature range if the application environment exceeds commercial limits.

Supervisors Part Context

The UM823 belongs to a series of system power supply supervisory circuits manufactured by Union Semiconductor International Limited. These devices are engineered to provide reliable reset signals to host processors, ensuring circuit stability during power fluctuations. The series emphasizes cost-effectiveness and high accuracy without requiring external adjustments.

Supervisors Replacement Considerations

Check for UM823 variants with different thresholds or packages. Verify if alternative supervisors offer similar watchdog integration. Ensure substitute parts maintain the same active-low reset logic and package compatibility.