Inductor Selection for Buck-Boost Regulator

flux

A good match is CSBX1670-220M.
Recommended inductor

Table

PartInductanceCurrentDCRTypeWhy it fits
CSBX1670-220M22 µH8.5 A23.5 mΩ maxShielded wirewound SMDLands in your 15 to 30 µH target and stays comfortably above your 6.3 A limit
This is the cleanest fit I found for your updated requirement:
  • inductance in range: 22 µH
  • current capability above your ceiling: 8.5 A
  • shielded power inductor
  • reasonable DCR for this value/current class
If you want, I can next narrow it further by:
  • smallest footprint
  • lowest DCR
  • best availability/cost
Or I can help choose whether 15 µH, 22 µH, or 30 µH is best for your exact buck-boost operating point.
Compare 15/22/30uH
Lowest DCR option
Smallest footprint
Best cost availability
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