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Concept 2SC0108T SCALE 2 IGBT DRIVER CORE

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engineer1000

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Does anyone know anything about these IGBT driver modules?
I have one set up in half bridge mode. I have INB pulled to 5V and INA a 30khz square wave.
The two fault outputs are pulled hi via 2 10k resistors. So the module thinks that there is no fault. But in this state I can't get the gate outptus to switch one sits at a -ve voltage the other at about 0V . So I don't know why the module will not switch.
Can anyone help?
 

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