The DS1812-5 is a versatile and compact micro-monitor chip designed by Maxim Integrated, a leader in the development of integrated circuits. This chip is specifically engineered to provide system reliability through managing the power supply and monitoring system health. It is an essential component for designers looking to enhance the operational stability of their electronic systems.

Key Features

• Supply Voltage Monitoring: The DS1812-5 actively monitors the supply voltage of a system, ensuring that it remains within acceptable thresholds. This feature is critical for preventing damage to sensitive electronic components that can occur due to voltage surges or dips.
• Programmable Reset Thresholds: It allows for programmable reset threshold voltages, giving designers the flexibility to set the voltage levels that trigger a system reset according to their specific requirements.
• Automatic Reset Generation: Upon detecting an out-of-tolerance power supply condition, the DS1812-5 automatically generates a reset signal to the host processor, thereby preventing system malfunctions.
• Manual Reset Function: In addition to automatic resets, this micro-monitor chip includes a manual reset input, enabling system resets to be initiated by external events or user interaction.
• Debounced TTL/CMOS-Compatible Manual Reset Input: The manual reset input is debounced, ensuring that only clean and intentional signals are recognized, which enhances the reliability of the manual reset function.
• Active-Low Reset: The reset output is active-low, which is a common configuration compatible with a wide range of microprocessors and digital systems.

Applications

The DS1812-5 is suitable for a broad array of applications across various industries. It is ideal for use in microprocessor systems, computers, controllers, and intelligent instruments where maintaining system integrity is paramount. Its robust design ensures that it is an excellent choice for applications that require a high degree of reliability and operational stability.

Technical Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Active Supply Current: 17µA (typical)
• Reset Active Timeout: 150ms (min)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

For more detailed technical specifications and application notes, designers and engineers are encouraged to consult the DS1812-5 datasheet available on the Maxim Integrated website.