DS1819BR-10/T&R

Supervisors Overview

The DS1819BR-10/T&R is a supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated, designed for monitoring voltage levels in electronic systems. It operates within a supply voltage range of 1 V to 5.5 V and features a threshold voltage of 3 V. The device includes an integrated watchdog timer with a reset delay time of 280 ms. It has a single monitored input and provides active high, active low, and push-pull output types. The component does not support manual reset functions. It is housed in an SOT-23-5 package and is rated for operation between -40°C and +85°C. The typical operating supply current is 12 µA.

Supervisors Feature Summary

• Integrates a watchdog timer for system fault recovery
• Provides multiple output polarity options including active high, active low, and push-pull
• Operates with low power consumption suitable for battery applications

Supervisors Applications

• Voltage supervision in embedded systems
• Microcontroller reset circuits
• Battery-powered device protection

Supervisors Procurement Notes

Verify the specific suffix and packaging configuration when sourcing this component, as availability may vary. Confirm that the selected variant matches the required voltage threshold and package type for your design. Check for obsolescence status or lifecycle changes before finalizing procurement plans.

Supervisors Selection Notes

Select this component when a simple voltage monitor with watchdog functionality is required. Ensure the supply voltage range covers your system's operational limits. Consider the output drive capability and reset delay time relative to your microcontroller's requirements.

Supervisors Part Context

This part belongs to the DS1819BR series of supervisory circuits from Maxim Integrated. These devices are commonly used in portable electronics and industrial control systems where reliable power management and system reset capabilities are critical.

Supervisors Replacement Considerations

Check for direct pin-to-pin replacements within the same product family. Verify compatibility regarding voltage thresholds, package dimensions, and electrical characteristics before substituting.