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User's Guide
SNVA487A–August 2011–Revised April 2013
AN-2160 LM5066 Evaluation Board
1 Introduction
The LM5066EVK evaluation board provides the design engineer with a fully functional intelligent
monitoring and protection controller board designed for positive voltage systems. This application note
describes the various functions of the board, how to test and evaluate it, and how to use the GUI design
tool to change the components for a specific application. Use of the advanced telemetry and monitoring
capabilities of this device requires the installation of the Intelligent Power Manager graphical user
interface; however, the LM5066 is capable of acting as a hot-swap and protection circuit without any
software installation. Please check the LM5066 High Voltage System Power Management and Protection
IC with PMBus (SNVS655) data sheet for the latest software information.
2 PCB Features
• Input voltage range: 36V to 60V
• Programmable current limit: set to 16.7A (CL = GND or HIGH-Z) or 8.7A (CL = VDD)
• Q
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power limit: 70W (typical)
• UVLO thresholds: 36V (rising) and 32V (falling)
• OVLO thresholds: 60V (rising) and 56V (falling)
• PGD thresholds: 40V (rising) and 37V (falling)
• Insertion delay: 128 ms (typical)
• Fault time-out period: 8.2 ms
• Restart time: 1.4 seconds
• PCB size: 2.3” x 3.4”
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SNVA487A–August 2011–Revised April 2013 AN-2160 LM5066 Evaluation Board
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