DS1813-5+

Supervisors Overview

The DS1813-5+ is a power supply support circuit from the EconoReset family, designed to monitor system voltage levels. It operates within a specified range of 4.5 V to 5.5 V and features a fixed threshold of 4.625 V for accurate detection of out-of-tolerance conditions. The device provides a reset signal with a typical timeout duration of 150 ms to ensure processor stabilization during power transitions. It supports manual reset functionality via an integrated pushbutton option and is available in a compact TO-92-3 package suitable for surface mount or through-hole applications.

Supervisors Feature Summary

• Monitors power supply status using a precision temperature reference and comparator circuit to detect out-of-tolerance conditions
• Generates an internal power-fail signal that forces the reset output to an active state when voltage drops below the threshold
• Includes a dedicated pushbutton reset option that generates a reset pulse upon release, held low for approximately 150 ms

Supervisors Applications

• Monitoring microprocessor power supplies in embedded systems
• Providing power-fail protection for digital logic circuits
• Implementing manual reset controls in portable electronic devices

Supervisors Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm the presence of lead-free compliance indicators if RoHS requirements are mandatory for the target assembly. Ensure the package type matches the intended PCB footprint design before finalizing procurement orders.

Supervisors Selection Notes

Select this component when a fixed 5 V monitoring threshold is required for system supervision. The built-in pushbutton feature simplifies manual reset implementation without external components. Consider the thermal performance and operating temperature range to ensure reliable operation under expected environmental conditions.

Supervisors Part Context

This part belongs to the Maxim Integrated EconoReset series, which specializes in cost-effective power supply monitoring solutions. The DS1813 variant specifically integrates manual reset capabilities alongside standard power-fail detection, distinguishing it from basic supervisor ICs that lack user-initiated reset functions.

Supervisors Replacement Considerations

The STM1813LWX7F is a verified compatible substitute offering identical push-button detect functionality and similar reset timing characteristics.