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DRV8301: Input to INH_A and output from GH_A

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Part Number:DRV8301

Hi,

I am trying to test DRV8301 on breadboard . I have connected F28069 and DRV8301 as shown in schematic in motorware and control suite.

I am not able to understand how to test GX_A , GX_B , GX_C . I tried applying pwm of 1.2kHz of 1.6volt on INH_A but GH_A remains constant at some 2.2v and GL_A remains constant at 1.7volt.

Some of the values of different pins are as follows:

Fault - 0.0 volt

OCTW - 3.2v

GVDD - 3.0v

DVDD - 2.5

AVDD - 3.2v.

I have already connected MOSFETS with DRV8301.

Is there any other way I can test DRV pins INX and GHX?

and what results should I be expecting from the way I am testing?


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