Hello @SShar.20 and welcome to ST Community :smiling_face_with_smiling_eyes:
You might refer to DS11130 section 5.4 Registers description. Also, if you are interested, you can check AN5420 for guidelines in the selection of external components needed for proper operation of the buck converters and the boost controller.
I hope my answer has helped you. When your question is answered please close this topic by marking as Best the reply that answered you, it will help others find that answer faster.
Thanks for your contribution.
Firas
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