Maxim Integrated DS1815R-20 Processor Supervisor

The Maxim Integrated DS1815R-20 is a versatile processor supervisory component designed to monitor power supplies in microprocessor and digital systems, ensuring reliable operation and system integrity. This compact device provides a precise solution for monitoring system voltages and initiating a reset if necessary, to maintain proper functioning of the system.

Key Features

• Voltage Monitoring: The DS1815R-20 actively monitors the +5V power supply voltage, providing a high degree of accuracy and reliability.
• Reset Threshold: It features a preset reset threshold of 2.88V, which triggers a reset signal when the supply voltage falls below this value, ensuring the system has a stable power-up and power-down.
• Reset Timeout: After the voltage returns to an acceptable level, the device maintains a reset signal for approximately 140ms (minimum), allowing the system to stabilize before resuming operation.
• Form Factor: The DS1815R-20 comes in a compact SOT-23 package, making it suitable for space-constrained applications.
• Low Power Consumption: With its low power consumption, this supervisor IC is an excellent choice for power-sensitive designs.
• Temperature Range: The device operates over a wide temperature range, making it suitable for various environmental conditions.

Applications

The DS1815R-20 is ideal for a wide range of applications that require reliable voltage monitoring and system reset functionality. It is commonly used in:

• Computers and Servers
• Embedded Systems
• Communication Equipment
• Portable/Battery-Powered Devices
• Industrial Controllers

Overall, the DS1815R-20 processor supervisor from Maxim Integrated is a crucial component that offers designers a simple and efficient way to enhance system reliability. Its ability to provide accurate voltage monitoring and controlled system reset makes it a valuable asset in maintaining the health and performance of digital and microprocessor-based systems.