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IR2113 Mosfet driver

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korrahmanbb

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Hi guys!

i just used iIR2113 high and low side gate Driver for driving N-Channel MOSFETs with H-bridge topology.
Capture.PNG
My question is what phenomena can cause High side and low side out put to be equal which input H and L with has 180degree phase shifting.
H and L connected to Digital microcontroller.
high side MOSFET's Drain has been connected to DAC by OP-amp with 7 times gain.Capture.PNG
MOSFETS Load is inductive.
this is Schematic link
https://up2www.com/uploads/7622Capture.png
 

Hi,

don´t measure HO wrt GND
--> measure HO wrt VS.

Is it still equal?
 

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