Formula for overcurrent protection threshold for STSPIN32G4?

[Garey]

Original title: "What is the correspondence between the overcurrent protection threshold and the DAC value for STSPIN32G4? Can you provide the calculation formul"

Shortened in accordance with the posting guidelines.

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I have an EVSPIN32G4 evaluation board with a sampling resistor of 0.005Ω.
Why does a current of 40A correspond to a threshold of 7427 (0.37V)?

[Garey]

Hope to get a reply as soon as possible. I'm really concerned about whether it can truly protect my circuits and motors.   :）

[STuser2]

3.3V corresponds to 65535 hence 7427 correspond to 0.37V. How 40A is achieved you can go through the document attached, there is section on over current protection. 

[GMA · Accepted solution]

Hello @Garey,

Did you review the "5.5.2 Embedded comparators" section of the EVSPIN32G4 user manual?

[Garey]

thank you.

[Garey]

Hi GMA，

I think I understand now, thank you.

(VDAC - 0.198 V) * 227 A/V