Apple Watch Series 9 System in Package TSMC InFO-PoP Package Technology Advanced Packaging Quick Look Analysis
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The Apple Watch Series 9 features a system-in-package (SiP) module that contains a TSMC manufactured integrated fanout package-on-package (InFO-PoP). This configuration has been observed before, but in the S9 the InFO-PoP houses a PMIC die alongside the processor at the bottom of the PoP, in a first for Apple. Multiple second sourced PoP memory packages were documented during analysis.
