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Electronic Circuit Breaker with Pre-Charge Based on 1200 V SiC MOSFETs

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An eFuse featuring TrenchFET MOSFETs has been designed to handle continuous current up to 100 A. The eFuse design operates continuously at maximum current with less than 14 W of losses, without requiring active cooling. The design features a pre-charge function, continuous current monitoring, and overcurrent protection. 

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An eFuse featuring TrenchFET MOSFETs has been designed to handle continuous current up to 100 A. The eFuse design operates continuously at maximum current with less than 14 W of losses, without requiring active cooling. The design features a pre-charge function, continuous current monitoring, and overcurrent protection. 

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Functional Block Diagram

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Features

Low TCR shunt for precise current measurement

Low tracking error voltage divider

Robust I/O port providing ESD protection and freewheel capabilities

Fast switching speed

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