The ISL6144IVZ is a dual power distribution controller manufactured by Intersil Corporation. It's designed to control and protect power distribution channels in a variety of applications, particularly those requiring hot-swap capability. This IC integrates features like current limiting, overvoltage protection, and undervoltage lockout to ensure safe and reliable power delivery.

Applications

• Hot-Swap Applications: Allows insertion and removal of cards or modules without powering down the system.
• Server Backplanes: Protecting and controlling power to individual server blades.
• Networking Equipment: Power management for network interface cards and other modules.
• Storage Systems: Ensuring reliable power distribution to hard drives and other storage devices.
• Industrial Control Systems: Managing power to various modules and sensors.

Features

• Dual Channel Control: Controls two independent power distribution channels.
• Adjustable Current Limit: Allows setting the maximum current for each channel.
• Overvoltage Protection (OVP): Protects against excessive voltage levels.
• Undervoltage Lockout (UVLO): Prevents operation at insufficient voltage levels.
• Hot-Swap Capability: Enables safe insertion and removal of modules under power.
• Fault Reporting: Provides status signals indicating fault conditions.
• Soft-Start Function: Limits inrush current during startup.

Benefits

• Enhanced System Reliability: Protection features prevent damage from power-related issues.
• Improved System Availability: Hot-swap capability allows for maintenance and upgrades without downtime.
• Simplified Design: Integrated features reduce component count and board space.
• Reduced System Cost: Integration of protection and control functions lowers overall BOM cost.
• Increased Safety: Protection features safeguard both the system and the connected modules.

Additional Details

The ISL6144IVZ typically operates from a wide input voltage range, making it suitable for various power sources. The current limit is adjustable via an external resistor, allowing designers to tailor the protection threshold to the specific requirements of their application. The device's fault reporting features provide valuable information for system diagnostics and troubleshooting. The soft-start function minimizes stress on the components during startup. Package type is typically a small surface mount package.