The DS1816R-5/TR from Maxim Integrated is a versatile and compact microprocessor supervisory circuit that provides an essential safeguard for monitoring the power supply and temperature of microprocessor (µP) systems. This micro-monitor chip ensures that your digital systems operate reliably by performing crucial functions such as reset signal generation and watchdog timing.

Key Features:

• Power Supply Monitoring: The DS1816 actively monitors the system VCC and asserts a reset signal to the µP during power-up, power-down, and brownout conditions. This feature ensures that the µP and associated circuitry reset to a known, stable state in the event of power supply inconsistencies.
• Programmable Watchdog Timer: With an integrated watchdog timer, the DS1816R-5/TR can detect and respond to system malfunctions. If the µP fails to provide a periodic signal, the chip initiates a system reset, thereby preventing system hang-ups and ensuring continued operation.
• Temperature Monitoring: This micro-monitor chip includes a temperature sensor that triggers a reset when the ambient temperature exceeds preset thresholds, protecting the system from overheating.
• Low Power Consumption: Designed for power-sensitive applications, the DS1816R-5/TR operates with minimal power draw, contributing to overall system efficiency.
• Compact SOT-23 Packaging: The small form factor of the SOT-23 package allows for integration into space-constrained designs without sacrificing functionality or performance.

Applications:

The DS1816R-5/TR is ideal for a wide range of applications, including embedded systems, computers, controllers, and intelligent instruments, where reliable system operation is critical. Its small size and comprehensive feature set make it an excellent choice for portable and battery-operated devices.

Product Specifications:

With its robust feature set and Maxim Integrated's reputation for quality, the DS1816R-5/TR is an excellent choice for ensuring the reliability and stability of your electronic systems.