The ADM1385ARZ is a hot-swap controller designed to protect systems from damage caused by inserting or removing boards from a live backplane. It provides inrush current limiting, overcurrent protection, and undervoltage lockout to ensure system stability and prevent damage to sensitive components. The ADM1385ARZ is suitable for a variety of applications, including server backplanes, telecommunications equipment, and networking systems. It is available in a narrow SOIC package.

Applications:

• Server Backplanes
• Telecommunications Equipment
• Networking Systems
• Power Distribution Systems
• Industrial Control Systems

Features:

• Hot-Swap Control: Allows for safe insertion and removal of boards from a live backplane.
• Inrush Current Limiting: Limits the inrush current during startup to prevent voltage droop and system instability.
• Overcurrent Protection: Protects the system from damage due to excessive current draw.
• Undervoltage Lockout (UVLO): Prevents the system from operating under low-voltage conditions.
• SOIC Package: Compact package for space-constrained applications.

Benefits:

• Enhanced System Reliability: Protects against damage during hot-swap operations, ensuring system uptime.
• Simplified Hot-Swap Design: Integrates all necessary hot-swap control functions into a single device.
• Reduced System Downtime: Allows for easy replacement of faulty boards without shutting down the entire system.
• Improved System Stability: Inrush current limiting and voltage monitoring prevent voltage droop and system instability.
• Compact Solution: The small SOIC package minimizes board space requirements.

Additional Details:

The ADM1385ARZ monitors the input voltage and load current to provide comprehensive protection. The inrush current limiting is achieved by controlling the gate voltage of an external MOSFET. The overcurrent protection threshold can be programmed using an external resistor. The undervoltage lockout feature ensures that the system only operates when the input voltage is within the specified range. This device provides a robust and reliable solution for hot-swap applications.