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MAX5968 - Circuit-Breaker And Ideal Diode Controller

General Description

The MAX5968 soft-switch and ideal diode controller protects systems with redundant DC-DC converter modules against failure of the converter by controlling external n-channel MOSFETs at the input and output of the converter.

Key Features

  • VariableSpeed/BiLevelK input circuit-breaker protection. The MAX5968 also integrates a 10-bit ADC that monitors converter input current, load voltage, and output MOSFET forward voltage. An analog input (ADCIN) is provided to monitor a temperature signal from the associated converter. The MAX5968 features two 10-bit circular buffers that contain a history of the 50 most recent input current and output load voltage digital conversion results. This data helps to diagnose and troubleshoot converter.

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www.DataSheet4U.com 19-5115; Rev 1; 2/10 Circuit-Breaker and Ideal Diode Controller with Digital Monitoring Functions General Description The MAX5968 soft-switch and ideal diode controller protects systems with redundant DC-DC converter modules against failure of the converter by controlling external n-channel MOSFETs at the input and output of the converter. Input short-circuit and overload current protection is provided by means of a current-sense amplifier connected to a sense resistor that resides at the source of the external protection MOSFET. If a failure occurs at the input of the associated converter, the MAX5968 protects the input supply by pulling the gate of the input protection MOSFET low and disconnecting the failed converter.