Chip: [Infineon Optiga SLB 9665 TPM2.0](https://www.infineon.com/cms/en/product/security-smart-card-solutions/optiga-embedded-security-solutions/optiga-tpm/slb-9665tt2.0/) Order codes: SLB9665VQ20FW563XUMA3 (standard temp. range) SLB9665XQ20FW563XUMA2 (extended temp. range) Both options work. Package: PG-VQFN-32-13 Chip supply 3.3V, do not use with a 5V header (if that exists?) Pinout taken from