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BOOSTXL-DRV8305EVM: 3-PWM Mode not working

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Part Number: BOOSTXL-DRV8305EVM
Other Parts Discussed in Thread: DRV8305

Hello,

I have an issue with the BOOSTXL-DRV8305EVM, when I try to run the "3-PWM Mode", it's not working / no output on the driver.

The following steps have been done:

After the Startup I set the "EN_GATE"-Pin and "Wake"-Pin to High and resend the Control Register Config.

For the Control Register resend I use the default values. Only in the "Gate Drive Control (Address = 0x7) I changed the value for "PWM_Mode" to "b'01" for "3-PWM Mode".

When I start the PWM (150kHz - Duty Cycle 30%) there is no output on the DRV8305.

When I reconfig the DRV8305 to "6-PWM Mode", the output is working.

It's maybe not possible to use the "3-PWM Mode" on the BOOSTXL-DRV8305EVM Board?

Did I miss something in the Control Register?

Have you any advices?

Thanks and Regards


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