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DRV8311: Input Signal INHA/B/C for 3x PWM Mode

Part Number: DRV8311

Tool/software:

Hi,

The customer is controlling the DRV8311 in 3x PWM mode, but is not achieving the expected rotation speed, so is looking for a design guide.

Are there any good documents?

"What kind of waveform is correct to input?"  our customer asked,

and we replied that the waveform will be like the one below.



Can TI provide documents that show a similar waveform?

First of all, we just need a simple way to check the operation, so any documents that explain the basic operation would be helpful to the customer.


Best regard,
Hiroshi