Component Replacement Suggestions

flux

0:57

Here are three viable replacements for U3 with similar I²C-based heart-rate and SpO₂ sensing:

Table

Part NamePart UIDMPNDatasheetPackage/Notes
MAX30102EFD+Tc4715a52-bcdd-a5fb-f8a6-c75159f1ac6cMAX30102EFD+TPDF14 pins; drop-in compatibility
MAX86150EFF+622a5dab-1003-4395-aaa3-990025ad1d40MAX86150EFF+PDF22 pins; enhanced features (bioimpedance, more LEDs)
BH1790GLC-E2e59dc563-2442-44f7-96b2-57a826cf5593BH1790GLC-E2PDF10 pins; compact Rohm alternative
Recommendation:
  • If you want a drop-in for U3 with no footprint changes, stick with MAX30102EFD+T.
  • For extra functionality (additional LED drives, bioimpedance), consider MAX86150EFF+.
  • If board space or vendor diversification is critical, BH1790GLC-E2 offers a smaller pin-count and alternate sourcing.
Choose MAX86150EFF+
Select BH1790GLC-E2
Stick with MAX30102EFD+T
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