connection problem with IR21362,and then no output signal at LO(at least)

Thread Starter

jean120

Joined Jan 24, 2016
75
Hello,Dear I connected the IR21362 as follows but I am not succeeding to output an signal from it;the configuration pins are connected as follows

Pin 8:FAULT:Not connected
pin9:ITRIP not connected
pin 10:EN-----------------VCC
Pin11:RCIN:resistor and capacitor added as indicated in the datasheet of the component
pin12:VSS------------------Gnd
pin13:COM-----------------Gnd

could you suggest how I may connected this component,it gives no signals(at least the LO may be obtained)but I don`t get them

Please help
 

MaxHeadRoom

Joined Jul 18, 2013
21,233
How do you have them connected. Half bridge or full bridge, the bottom mosfet must be on and the top PWM signal for the bootstrap to charge.
Max.
 

Thread Starter

jean120

Joined Jan 24, 2016
75
I have not yet connectedthe IGBT bridge but I thought I can even get the signal at LO output even if the low IGBTs are not yet connected!!

Please help
 
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