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DRV8323: Schematic Questions

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Part Number: DRV8323
Other Parts Discussed in Thread: CSD88599Q5DC, , TIDA-010072

Hi, we have a couple of schematic questions

Our application:
DRV8323S with CSD88599Q5DC MOSFET
VM = 18-24V
Motor phase currents: 10 A max RMS, 15 A max peak

Questions:

- Given the above application, would you recommend any series resistors on the gate driving pins of the DRV8323? Are there any IDRIVE settings which could result in problems?

- If calibration is done over SPI, is there any difference whether CAL is floating or tied to GND considering it has an internal 100k PD

- We are planning on adding a LPF on the SOX pins of the CSA. What would be a recommended cut-off frequency?

- Given that we have a LPF on the output of the CSA, is any filtering required on the CSA diff inputs? For example, the datasheet recommends 1000 pF across the inputs (which matches our design) but the TIDA-010072 reference design also includes 10R series resistors. Please advise

Thanks


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