DS1813-10/T&R

Supervisors Overview

The DS1813-10/T&R is a supervisory circuit manufactured by Analog Devices Inc. (formerly Maxim Integrated). It functions as a voltage monitor and reset generator designed to ensure system reliability during power transitions. The device monitors the supply voltage and generates a reset signal when the voltage drops below a specific threshold or upon manual input. It features an open-drain output and supports manual pushbutton reset functionality. The component operates within a temperature range of -40°C to +85°C and is available in surface-mount packages including SOT-23-3, SC-59, and TO-92.

Supervisors Feature Summary

• Monitors power supply status using a precision temperature reference and comparator circuit to detect out-of-tolerance conditions.
• Generates a low-active reset signal that remains asserted for a fixed duration to allow processor stabilization after power returns to tolerance.
• Supports manual reset generation via a pushbutton connected to the reset output, holding the line low for a specified period upon release.

Supervisors Applications

• Microprocessor system supervision
• Power-fail detection circuits
• Manual reset input interfaces

Supervisors Procurement Notes

Verify the exact package variant (SOT-23-3, SC-59, or TO-92) required for your design, as the base part number may correspond to different physical footprints depending on the suffix. Confirm availability status with authorized distributors, as this component may be subject to limited supply or end-of-life restrictions. Ensure the datasheet matches the specific revision intended for production to avoid pinout discrepancies.

Supervisors Selection Notes

Select this component when a simple, low-cost supervisor is needed for single-channel voltage monitoring without watchdog timer requirements. It is suitable for applications requiring both automatic power-on reset and manual user-initiated reset capabilities. Consider the operating temperature range and package constraints relative to the target PCB layout and environmental conditions.

Supervisors Part Context

This part belongs to the EconoReset family of supervisory circuits from Maxim Integrated. These devices are designed to provide essential power management functions in embedded systems. The DS1813 series specifically focuses on basic reset generation and power-fail detection, offering a cost-effective solution for maintaining system integrity during power fluctuations.

Supervisors Replacement Considerations

Check for direct cross-references such as the ADM1813 series from Analog Devices, which shares similar functional characteristics. Verify pin compatibility and electrical specifications before substituting with other voltage supervisors like the DS1811 or DS1812 series.