DS1819BR-10+T&R

Supervisors Overview

The DS1819BR-10+T&R is a supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand, designed for monitoring single-channel voltage inputs. It operates within a supply voltage range of 1V to 5.5V and features a threshold accuracy of 10%. The device includes an integrated watchdog timer and provides a reset delay time of 280ms. It supports active high, active low, and push-pull output configurations. The component functions reliably across an operating temperature range of -40°C to +85°C with a typical quiescent current of 12µA.

Supervisors Feature Summary

• Integrates a watchdog timer for system fault detection
• Supports multiple output polarities including active high and low
• Provides push-pull output drive capability
• Operates with low power consumption suitable for battery applications

Supervisors Applications

• Microprocessor system supervision
• Battery-powered portable devices
• Industrial control systems requiring voltage monitoring
• Embedded systems with watchdog requirements

Supervisors Procurement Notes

Verify availability status as this part may be subject to limited supply or discontinuation. Confirm RoHS compliance details through official documentation before procurement. Ensure the ordering suffix matches required packaging specifications. Cross-reference datasheet revisions to confirm pinout and electrical characteristics remain consistent with design requirements.

Supervisors Selection Notes

Select this component when a single-channel voltage monitor with integrated watchdog functionality is required. Consider the 10% threshold accuracy and 280ms reset delay against system timing constraints. Evaluate the SOT-23-5 package size for space-constrained PCB layouts. Verify that the 1V to 5.5V input range covers the monitored rail voltages in the target application.

Supervisors Part Context

This component belongs to the DS1819 series of MicroMonitor supervisory circuits from Maxim Integrated. These devices are designed to provide reliable power management and system reset functions in embedded applications. The series typically offers various threshold options and output configurations to suit different voltage monitoring needs.

Supervisors Replacement Considerations

Check for direct substitutes within the DS1819 family such as DS1819AR variants. Verify compatibility regarding threshold voltage, output type, and package dimensions. Consult official replacement guides for end-of-life notifications.